Underground part of concrete wall with wall drain

FIELD: construction.

SUBSTANCE: underground part of a concrete wall with a wall drain comprises a filtering shell made of a polymer material and vertically laid onto the external surface of the wall to form channels draining water from soil fill into the fill of a drain pipe connected to a drain header. The external surface of the wall is coated with a geomembrane, which is arranged from a polymer material and with its anchor ribs fixed to the wall and forms its protective hydraulic insulation. The filtering shell is arranged in the form of a geogrid and a filtering nonwoven material attached to it at the side of the soil fill, at the same time geogrid cells are formed by crossing rods laid one onto the other and fixed in points of crossing with each other.

EFFECT: higher reliability and durability of a building or a structure, higher quality of wall protective hydraulic insulation and improved water-draining capacity of a filtering shell.

2 cl, 3 dwg

 

The invention relates to the construction, namely the construction of the underground part of a concrete wall with wall drain, and can be used for waterproofing basement walls and basement floors of buildings and underground structures, as well as protect them from flooding.

Known for the underground portion of the walls, including concrete containing protective layer vertical waterproofing and wall drainage. When this wall drainage can be performed in the form of a vertical draining wall, composed, for example, of sand and gravel boards water-soluble binder, and an outer lateral drain (collector) [1], or in the form of a horizontal drainage layer, located at the base of the backfill, and the internal discharge manifold [2].

The disadvantages of these walls with wall drainage include the complexity of the technological process of production of sand and gravel boards, their transportation to the place of work and laying in the design position in the first case and inconvenience in the operation of the internal manifold in the second case.

The closest in technical essence of the present invention is the underground portion of a concrete wall with wall drain, consisting of a filter membrane made of a polymeric material and vertically stacked on the outer poverhnostny with the formation of channels, remove water from the soil filling in filling a drainage pipe connected to the discharge manifold [3]. There is proposed to use the drainage shell "Denis" VSN 35-95, fully devoted to this shell [4]. This shell is a two-layer structure made of polyvinylchloride, polyethylene, polypropylene, etc. of the sheet with special profile and non-woven geotextile filter material fastened together by welding or waterproof glue.

The disadvantages of these walls with drainage include:

- in the shell "Jenis-1" moving channels water directly in contact with the wall surface, which necessitates execution on the wall of the protective layer waterproofing (bituminous, membrane and the like), which complicates the design;

wrapper "Jenis-2" potentially in some cases can replace the waterproofing layer of the wall, however, because of the connection of the sheets to each other overlap to reliably achieve this is not possible;

- drainage capacity and reliability of shell "Denis" severely limited, especially when the height of the filter membrane over 8 m, which limits the scope of its application, as it may not provide the necessary efficiency wall drainage in General.

These shortcomings obuslovlen who have insufficient reliability of the underground part of a concrete wall with wall drainage during operation, which reduces the durability of a building or structure.

The challenge which seeks the invention is to improve the reliability and durability of a building or structure. The technical result from the use of the invention is to improve the quality of the protective layer waterproofing walls and improving the drainage ability of the filter shell.

This problem is solved and the technical result is achieved by the fact that in the underground part of the concrete wall with wall drainage of a building or structure containing a filter membrane made of a polymeric material and vertically stacked on the outer surface of the wall with the formation of canals, diverting water from the soil filling in filling a drainage pipe connected to a discharge collector according to the invention the outer surface of the walls are covered with developed. This geomembrane is made of polymer material and its anchoring ribs attached to the wall and forms a protective layer of waterproofing walls, and a filtering membrane made in the form of geogrids and attached to it by a dirt backfill non-woven filtering material. Cell geogrids formed superimposed on one another intersecting rods, fastened at the crossing with each other. Cell geogrids are mostly rectangular fo the mu while the rods facing the wall, are arranged vertically and facing the soil backfill is horizontal.

It is the coating of the wall developed, which is structurally included in the walls, ensures high reliability layer waterproofing walls with a simultaneous significant increase culvert capacity of channels in the filter shell, the geogrid (same: geogrid) made and installed by the above rules.

The invention is illustrated by drawings, where:

figure 1 shows part of the wall with wall drainage cross section;

figure 2 - node I in figure 1;

figure 3 - section a-a in figure 2.

The underground portion of the concrete wall 1 of a building or structure contains a basement 2, the filtration membrane 3 made of a polymeric material and vertically stacked on the outer surface of the wall 1 with the formation of channels 4 (3), remove water from the soil backfill 5 in the cover 6 of the drainage tube 7 connected to the outlet manifold (not shown).

The outer surface of the wall 1 is covered by the developed 8, which is made of a polymeric material, mostly made of stabilized polyethylene, and their anchoring ribs 9 are attached to the wall 1 and forms a protective waterproofing.

The filter membrane is made in the form of a geogrid 10 and p is tripletnogo from the soil backfill 5 non-woven filtering material, for example, geotextile 11. Cell 12 geogrids 10 are rectangular in shape, mostly square, and formed superimposed on one another intersecting rods: 13 vertical and horizontal 14, which are fastened at nodes 15 intersect with each other.

In the geogrid 10 vertical rods 13 facing the wall 1 and is immediately adjacent to the developed 8, and the horizontal rods 14 facing the dirt backfill 5. The rods 13 and 14 are located in different closely spaced parallel planes, so this geogrid 10 often called the volume geogrid.

Filtration shell 3, sand 16, the coating 6 and the drain pipe 7 to form a so-called wall drainage of the building or structure. It is advisable between sand 16 and the cover 6 to lay the geotextile 17 Dornit or mineral fibrous material, and under the drainage pipe 7 to perform a concrete base 18.

Filtration shell 3 may be provided in the form of rolls and sheets. In the first case, the shell 3 is rolled on the whole its design height, in the second case, the sheets are attached to the developed 8 in the form of horizontal rows. At the height of the horizontal connections series produce overlap: the bottom of the upper sheet is slid under the top of the bottom sheet. The upper end of the lower cover sheet, for example, gidrostekloizol. Special requirements to the Vert is unique to the seams do not show. Mounting plates to the developed 8 produce a predominantly discrete bonding.

The underground portion of the concrete wall is as follows.

Water percolating into the soil backfill 6, enters the filtration shell 3 and channel 4 in it sinking in the sand 16, from which it follows in the drainage pipe 7 of the drainage system.

High water-carrying capacity of the channels 4 is ensured by the fact that the filter cover is a design of bulk and that it is directly adjacent to the developed 8, which is undistorted. This geomembrane 8 acts as a highly effective layer of waterproofing. So we can assume that the geomembrane 8 is a constructive element as wall 1 and the filtration shell 3.

Designation

1 - wall

2 - Foundation

3 - filtration membrane

4 - channel

5 - soil backfill

6 - shedding

7 - drainage pipe

8 - geomembrane

9 - anchoring rib

10 - geogrid

11 - geotextiles

12 - cell (geogrids)

13 is a vertical rod

14 is a horizontal rod

15 - node (crossing bars)

16 - the sand

17 - Dornit

18 - concrete Foundation

19 - floor basement

20 - the asphalt.

Sources of information

1. USSR author's certificate No. 771252, CL E02D 31/02, 1980.

2. With idealista a useful model of the Russian Federation No. 30367, publ. 27.06.2003.

Design manual drainage of buildings and structures, the architectural Committee, 2000, 14.

4. VSN-35-95 "instruction techniques use of polymeric filtration membranes for protection of underground parts of buildings and structures from flooding groundwater", the research Institute Mosstroy.

1. The underground portion of a concrete wall with wall drainage containing the filtering membrane made of a polymeric material and vertically stacked on the outer surface of the wall with the formation of canals, diverting water from the soil filling in filling a drainage pipe connected to the outlet manifold, wherein the outer surface of the walls are covered with developed, which is made of a polymeric material and its anchoring ribs attached to the wall and forms a protective waterproofing and filter shell made in the form of geogrids and attached to it by a dirt backfill non-woven filtering material, and the cell geogrids formed superimposed on one another intersecting rods fastened at the crossing with each other.

2. The underground portion of a concrete wall according to claim 1, characterized in that the cells geogrids are mostly rectangular in shape, with the bars facing the wall, are arranged vertically and facing the ground is asipi - horizontally.



 

Same patents:

FIELD: construction.

SUBSTANCE: drain of closed type comprises a deep-laid trench with an incline towards drain water discharge, where perforated pipes are installed in a layer of filtering material, and also inspection wells of the drainage system. Pipes are arranged with perforation in the tray part and are laid into a homogeneous filtering material. The bottom of the trench is arranged with an incline of 0.003-0.004% and is insulated with a water-impermeable film together with the trench wall at the side of a pit or along the outer surface of the underground part of the structure, and also with coverage of the drain trench filtration fill roof or under the foot of the erected structure shoulder.

EFFECT: increased efficiency of drain operation, reduced material intensity and labour intensiveness, increased manufacturability of construction processes.

2 dwg

FIELD: construction.

SUBSTANCE: invention relates to construction and may be used to arrange drainage system to control water level in basement premises. Method for water depression in basement premises of dwelling houses, administrative-industrial buildings and storehouses includes digging drainage channels, assembly of precast filtering well, laying filtering material or perforated pipes with filtering elements into channels, installation of pump into well, which drains water from well and is equipped with connection and disconnection breaker. Drainage channels and precast filtering well are assembled in ground inside area fenced by house foundation, in order to create depression zone on area limited by house foundation. In case this area is separated by solid walls of foundation, or there are foundation screeds, shafts are drilled, which are also filled with filtering material, or in which perforated pipes are installed with filtering elements. Outlet hole of pump is connected to sewage system of the house. Connection of pump outlet to connection and disconnection breaker to sewage system of the building results in cleaning of pipes and joints in sewage system.

EFFECT: improved efficiency of water level control in basement premises and reinforcement of foundations with various configuration.

FIELD: construction.

SUBSTANCE: method of protecting sunken buildings against ground water underflooding consists in the fact that distribution sand cushion is formed, highly compressed silty-clayed soils are removed from the whole underground part of buildings. When constructing underground parts of erected buildings on natural slopes in silty-clayed soils with high level of ground water, above lower boundary of design compressed mass of ground foundation, there developed is ditch, from the depth of lower boundary of compressed mass corresponding to level of lower edge of distribution sand cushion to day surface, the slopes of which correspond to position of planes of lower side edges of design distribution sand cushion which is formed as filtration one and designed in the outline of diagrams of equal vertical and horizontal stresses corresponding to stress of natural soil in lower part of compressed mass. Height of cushion is taken equal to design depth of compressed soil mass, and width of upper and lower edges of cushion is equal; at that, it exceeds width of foundation base on both sides by the value which is determined by graphical drawing of planes tangential to diagram of equal horizontal stresses at an angle to vertical plane, which is equal to angle of internal friction of cushion material to the crossing with plane of foundation base level. Position of side edges of cushion is determined by the planes being drawn from extreme points of upper and lower edges of cushion, which are tangential to diagrams of equal vertical and horizontal stresses till they cross each other; at that, inclination angle of tangential plane to diagram of equal vertical stresses is taken equal to angle of natural slope of natural soil. Then there formed is lower body of cushion in the volume of ditch slopes and upper body of cushion in the volume of upper side edges of cushion; after that, there performed is backfilling of cavities between upper cushion body and ditch slopes with natural soil as per layer-by-layer technology; then underground part of buildings is erected.

EFFECT: maintaining natural hydrological conditions in order to exclude dangerous ground water underflooding of underground parts of buildings, decreasing the scope of ground works concerning development of ditch, reducing material consumption.

1 dwg

FIELD: construction.

SUBSTANCE: invention is related to construction, namely to fighting suffosion processes that occur during flooding of earth foundations in buildings, which are for instance, located in high-water bed. In method for protection of building earth foundations against suffosion processes that occur as a result of building flooding, wells are drilled in building foundations, soil in wells is sampled, specimens obtained are used to determine value of critical head gradient and critical seepage path. Water impermeable wall is erected in building earth foundation around the base, at that distance between the base and water impermeable wall, as well as depth of water impermeable wall location from daylight is selected depending on values of critical gradient and critical seepage path. Space between building base and water impermeable wall is filled with water permeable material consisting of single-size particles, and space between the base in the level of its underside and water impermeable wall is filled with the layer of water impermeable material. Drainage holes with meshes are arranged at internal edge of water impermeable wall in water impermeable layer, and filling with layer of water impermeable material is done with layer separation into sections, in every of which surface is arranged with slope to drainage hole providing water drain into hole.

EFFECT: increased efficiency of building protection against suffosion processes, and also increase of operational reliability of buildings, reduction of material intensity.

2 dwg

FIELD: construction.

SUBSTANCE: invention pertains to construction, namely, to reconstruction and renovation of old buildings and constructions, in particular, to means and methods of intra - wall detaching waterproofing for walls protection from soil water. Composition for intra - the - wall waterproofing contains, wt %: potassium silicate with silica modulus 2.33 - 2.88 99.6-99.9, Trilon B 0.1-0.4. Method of intra - wall detaching waterproofing includes supply of the above said composition into brickwork through preliminary drilled holes periodically drying after supply according to the scheme: supply - drying - supply.

EFFECT: viscosity reduction, increase of filtration coefficient, improved detaching water - proofing characteristics for protection of walls from soil water.

2 cl, 2 tbl

FIELD: construction.

SUBSTANCE: safety device for bed against surface water includes preparation of base course, foundation, pockets backing, blind area facility. Between blind area and bed there is formed self-locking waterproofing locker made of wedgelike elements: braced - underlying and overlying, nonrigid - made of viscoplastic material, such as bitumen, located between rigid elements. At that external wall of foundation is implemented leaned big end down the foundation.

EFFECT: reduction of differential settlement of foundation and building deformation.

2 cl, 3 dwg

FIELD: constructional engineering.

SUBSTANCE: invention refers to constructional engineering and can be used for building construction and upkeep. Method for damp-proofing of below-grade building includes levelling blanket laid on basement soil, formation of membrane system, formation of protective concrete layer, installation of reinforcing cage, concreting of footing and below-grade filler members. Membrane system is arranged by continuous laying of extended hoses made of polymeric fabrics and fastening them or, alternatively, overlapping at an angle to each other. Hose outflows are placed outside the footing. The footing and below-grade filler members concreted, damp-proof mixture is grouted through outflows to hose cavity pockets to produce impervious beds.

EFFECT: simplified below-grade construction procedure, improved reliability of groundwater protection of both horizontal and vertical footing elements, decreased work content as well as possibility to repair membrane system during building construction and upkeep.

9 cl, 5 dwg, 1 ex

FIELD: chemical industry; other industries; methods of production of the waterproofing materials in the sheet shape.

SUBSTANCE: the invention presents the method of production of the waterproofing materials in the sheet shape, which is used for facing of the ponds, lakes and the refuse dumps provides for disposition of the central layer containing the capable to swelling bentonite between appropriate carrying layers, and joining of the carrying layers by the ultrasonic welding in the intervals or along one or more lines by means of making the base plate protrusion to get in contact with one carrying layer and making the sonotrode to get in contact with the other carrying layer in the opposite places and in the intervals or along one or more lines and at such a control over the sonotrode, that to cut through the central layer and to join the carrying layers. The invention presents the characteristic of the second version the method of production. The technical result of the invention is the increased strength of the produced waterproofing material at its shift.

EFFECT: the invention ensures the increased strength of the produced waterproofing material at its shift.

14 cl, 5 dwg

FIELD: oil industry, particularly oil-field construction, namely to built storage pit adapted for oil-drilling waste storage.

SUBSTANCE: method involves digging out ground; erecting banking; forming waterproofing screen of film material with weld seams; connecting polymeric adhesive strips to back film side transversely to weld seams facing outwards so that space between strips is not more than 3 m and strip ends extend over outer screen surface, wherein the waterproofing screen has ample size; securing one end of waterproofing screen on pit edge by shackles and covering thereof with ground along the full pit edge; gradually laying unstrained waterproofing screen on pit bottom and side walls to reach opposite pit edge so that weld seams face outwards; loading screen edges across the full width and forming pleat at pit edge along the full perimeter thereof; securing the pleat with ground; fastening free edges of laid waterproofing screen along the full pit perimeter with shackles and covering thereof with ground; folding free screen edges in two in shackle installation areas and placing cantledge on pit bottom along the full perimeter thereof; placing textile protective screens over rocky ground zones. The waterproofing screen dimensions may be determined from given relation.

EFFECT: increased liquid product storage reliability.

2 dwg, 1 ex

The invention relates to waterproofing of building structures using a waterproofing plate, consisting of corrugated sheets of paper cardboard, channels filled with bentonite

FIELD: oil industry, particularly oil-field construction, namely to built storage pit adapted for oil-drilling waste storage.

SUBSTANCE: method involves digging out ground; erecting banking; forming waterproofing screen of film material with weld seams; connecting polymeric adhesive strips to back film side transversely to weld seams facing outwards so that space between strips is not more than 3 m and strip ends extend over outer screen surface, wherein the waterproofing screen has ample size; securing one end of waterproofing screen on pit edge by shackles and covering thereof with ground along the full pit edge; gradually laying unstrained waterproofing screen on pit bottom and side walls to reach opposite pit edge so that weld seams face outwards; loading screen edges across the full width and forming pleat at pit edge along the full perimeter thereof; securing the pleat with ground; fastening free edges of laid waterproofing screen along the full pit perimeter with shackles and covering thereof with ground; folding free screen edges in two in shackle installation areas and placing cantledge on pit bottom along the full perimeter thereof; placing textile protective screens over rocky ground zones. The waterproofing screen dimensions may be determined from given relation.

EFFECT: increased liquid product storage reliability.

2 dwg, 1 ex

FIELD: chemical industry; other industries; methods of production of the waterproofing materials in the sheet shape.

SUBSTANCE: the invention presents the method of production of the waterproofing materials in the sheet shape, which is used for facing of the ponds, lakes and the refuse dumps provides for disposition of the central layer containing the capable to swelling bentonite between appropriate carrying layers, and joining of the carrying layers by the ultrasonic welding in the intervals or along one or more lines by means of making the base plate protrusion to get in contact with one carrying layer and making the sonotrode to get in contact with the other carrying layer in the opposite places and in the intervals or along one or more lines and at such a control over the sonotrode, that to cut through the central layer and to join the carrying layers. The invention presents the characteristic of the second version the method of production. The technical result of the invention is the increased strength of the produced waterproofing material at its shift.

EFFECT: the invention ensures the increased strength of the produced waterproofing material at its shift.

14 cl, 5 dwg

FIELD: constructional engineering.

SUBSTANCE: invention refers to constructional engineering and can be used for building construction and upkeep. Method for damp-proofing of below-grade building includes levelling blanket laid on basement soil, formation of membrane system, formation of protective concrete layer, installation of reinforcing cage, concreting of footing and below-grade filler members. Membrane system is arranged by continuous laying of extended hoses made of polymeric fabrics and fastening them or, alternatively, overlapping at an angle to each other. Hose outflows are placed outside the footing. The footing and below-grade filler members concreted, damp-proof mixture is grouted through outflows to hose cavity pockets to produce impervious beds.

EFFECT: simplified below-grade construction procedure, improved reliability of groundwater protection of both horizontal and vertical footing elements, decreased work content as well as possibility to repair membrane system during building construction and upkeep.

9 cl, 5 dwg, 1 ex

FIELD: construction.

SUBSTANCE: safety device for bed against surface water includes preparation of base course, foundation, pockets backing, blind area facility. Between blind area and bed there is formed self-locking waterproofing locker made of wedgelike elements: braced - underlying and overlying, nonrigid - made of viscoplastic material, such as bitumen, located between rigid elements. At that external wall of foundation is implemented leaned big end down the foundation.

EFFECT: reduction of differential settlement of foundation and building deformation.

2 cl, 3 dwg

FIELD: construction.

SUBSTANCE: invention pertains to construction, namely, to reconstruction and renovation of old buildings and constructions, in particular, to means and methods of intra - wall detaching waterproofing for walls protection from soil water. Composition for intra - the - wall waterproofing contains, wt %: potassium silicate with silica modulus 2.33 - 2.88 99.6-99.9, Trilon B 0.1-0.4. Method of intra - wall detaching waterproofing includes supply of the above said composition into brickwork through preliminary drilled holes periodically drying after supply according to the scheme: supply - drying - supply.

EFFECT: viscosity reduction, increase of filtration coefficient, improved detaching water - proofing characteristics for protection of walls from soil water.

2 cl, 2 tbl

FIELD: construction.

SUBSTANCE: invention is related to construction, namely to fighting suffosion processes that occur during flooding of earth foundations in buildings, which are for instance, located in high-water bed. In method for protection of building earth foundations against suffosion processes that occur as a result of building flooding, wells are drilled in building foundations, soil in wells is sampled, specimens obtained are used to determine value of critical head gradient and critical seepage path. Water impermeable wall is erected in building earth foundation around the base, at that distance between the base and water impermeable wall, as well as depth of water impermeable wall location from daylight is selected depending on values of critical gradient and critical seepage path. Space between building base and water impermeable wall is filled with water permeable material consisting of single-size particles, and space between the base in the level of its underside and water impermeable wall is filled with the layer of water impermeable material. Drainage holes with meshes are arranged at internal edge of water impermeable wall in water impermeable layer, and filling with layer of water impermeable material is done with layer separation into sections, in every of which surface is arranged with slope to drainage hole providing water drain into hole.

EFFECT: increased efficiency of building protection against suffosion processes, and also increase of operational reliability of buildings, reduction of material intensity.

2 dwg

FIELD: construction.

SUBSTANCE: method of protecting sunken buildings against ground water underflooding consists in the fact that distribution sand cushion is formed, highly compressed silty-clayed soils are removed from the whole underground part of buildings. When constructing underground parts of erected buildings on natural slopes in silty-clayed soils with high level of ground water, above lower boundary of design compressed mass of ground foundation, there developed is ditch, from the depth of lower boundary of compressed mass corresponding to level of lower edge of distribution sand cushion to day surface, the slopes of which correspond to position of planes of lower side edges of design distribution sand cushion which is formed as filtration one and designed in the outline of diagrams of equal vertical and horizontal stresses corresponding to stress of natural soil in lower part of compressed mass. Height of cushion is taken equal to design depth of compressed soil mass, and width of upper and lower edges of cushion is equal; at that, it exceeds width of foundation base on both sides by the value which is determined by graphical drawing of planes tangential to diagram of equal horizontal stresses at an angle to vertical plane, which is equal to angle of internal friction of cushion material to the crossing with plane of foundation base level. Position of side edges of cushion is determined by the planes being drawn from extreme points of upper and lower edges of cushion, which are tangential to diagrams of equal vertical and horizontal stresses till they cross each other; at that, inclination angle of tangential plane to diagram of equal vertical stresses is taken equal to angle of natural slope of natural soil. Then there formed is lower body of cushion in the volume of ditch slopes and upper body of cushion in the volume of upper side edges of cushion; after that, there performed is backfilling of cavities between upper cushion body and ditch slopes with natural soil as per layer-by-layer technology; then underground part of buildings is erected.

EFFECT: maintaining natural hydrological conditions in order to exclude dangerous ground water underflooding of underground parts of buildings, decreasing the scope of ground works concerning development of ditch, reducing material consumption.

1 dwg

FIELD: construction.

SUBSTANCE: invention relates to construction and may be used to arrange drainage system to control water level in basement premises. Method for water depression in basement premises of dwelling houses, administrative-industrial buildings and storehouses includes digging drainage channels, assembly of precast filtering well, laying filtering material or perforated pipes with filtering elements into channels, installation of pump into well, which drains water from well and is equipped with connection and disconnection breaker. Drainage channels and precast filtering well are assembled in ground inside area fenced by house foundation, in order to create depression zone on area limited by house foundation. In case this area is separated by solid walls of foundation, or there are foundation screeds, shafts are drilled, which are also filled with filtering material, or in which perforated pipes are installed with filtering elements. Outlet hole of pump is connected to sewage system of the house. Connection of pump outlet to connection and disconnection breaker to sewage system of the building results in cleaning of pipes and joints in sewage system.

EFFECT: improved efficiency of water level control in basement premises and reinforcement of foundations with various configuration.

FIELD: construction.

SUBSTANCE: drain of closed type comprises a deep-laid trench with an incline towards drain water discharge, where perforated pipes are installed in a layer of filtering material, and also inspection wells of the drainage system. Pipes are arranged with perforation in the tray part and are laid into a homogeneous filtering material. The bottom of the trench is arranged with an incline of 0.003-0.004% and is insulated with a water-impermeable film together with the trench wall at the side of a pit or along the outer surface of the underground part of the structure, and also with coverage of the drain trench filtration fill roof or under the foot of the erected structure shoulder.

EFFECT: increased efficiency of drain operation, reduced material intensity and labour intensiveness, increased manufacturability of construction processes.

2 dwg

FIELD: construction.

SUBSTANCE: underground part of a concrete wall with a wall drain comprises a filtering shell made of a polymer material and vertically laid onto the external surface of the wall to form channels draining water from soil fill into the fill of a drain pipe connected to a drain header. The external surface of the wall is coated with a geomembrane, which is arranged from a polymer material and with its anchor ribs fixed to the wall and forms its protective hydraulic insulation. The filtering shell is arranged in the form of a geogrid and a filtering nonwoven material attached to it at the side of the soil fill, at the same time geogrid cells are formed by crossing rods laid one onto the other and fixed in points of crossing with each other.

EFFECT: higher reliability and durability of a building or a structure, higher quality of wall protective hydraulic insulation and improved water-draining capacity of a filtering shell.

2 cl, 3 dwg

Up!