Flexible combo mount

 

The invention relates to hydraulic construction and can be used as shore protection structures in erodible channels of rivers, canals and other structures. Flexible combo mount (GRC) consists of a triangular prismatic gabion (TBC), at the base of which is an isosceles triangle, the base of its laid on the bottom or shore. Horse face (TBC) oriented upwards and can be perpendicular to or coincide with the direction of flow. Gabion alternate with prismatic concrete coatings. Adjacent faces laid (TBC) are connected with the formation of a continuous wire coating, and the space between adjacent gabions, which also has a triangular prismatic shape, but the top is oriented down, filled with concrete, which is rigidly fastened to the contact grid. Along the ridge (TBC) provide structural expansion joints, break (GRC) both in the transverse and in the longitudinal direction. The space between adjacent gabion having a prismatic shape with a triangular cross-section and the top, oriented downwards, the upper part may be partially filled with concrete, and the lower portion Zoe alternation of cells, filled with concrete, with cells filled with filler. In GRC in the tension area of concrete (TBC) may be provided by a solid net operating valves, laid in rows in the transverse and longitudinal direction. The invention improves the operational reliability and durability of structures in 1,5-2 times in comparison with the previously known similar technical solutions at a lower cost materials. 3 C.p. f-crystals, 7 Il.

The invention relates to hydraulic engineering and land reclamation construction and can be used as shore protection structures in erodible channels of rivers, canals and other structures.

A device for mounting a slope of earthen structures [1], containing laid on slopes synthetic filter cover, the retaining elements and the layer of riprap. The retaining elements are in the form of bars, racks with hinges, ropes, nets, and limiters. Rock placement is made in the form of gravel. The lower ends of the uprights pivotally attached to the crossbar, and their upper ends to the rope. On the rope attached to the net. One end of the rope attached to the crossbar, and their other free ends are strained due to the application uloi gravel protects the floor from dynamic wave action. He in turn, protected by a grid held at a predetermined position by the ropes. The disadvantage of this technical solution is that: mounts directly in contact with the fluid flow and transported sediments and therefore may be subject to rapid wear and destruction in a short time; the design is quite a complex technical solution that will be reflected in the reliability and cost; the effectiveness of fastening is greatly reduced when in the river or channel high speeds and costs; the environment is not favorable technical solution.

The closest technical solution is the gabion [2], consisting of a metal mesh shell and filler in the form of active metallurgical slag. The disadvantage of this technical solution are: mount over time may break down due to mechanical sufoziya, removal of fine particles Foundation through the pores of gabions; this solution does not allow passage through the attachment of equipment and machinery; the rigidity of the gabion insufficient, and gabion may be strong the truth is Orme cushion; the shape of the frame of the gabion is variable, as there are no marks inside the gabion; durability of fastening, consisting of such spaces is small due to corrosion and abrasion mesh in direct contact with the sediment without the protective layer and the destruction of the fastening;
this solution does not allow passage through the attachment of equipment and machinery.

The purpose of the invention is improving the efficiency and reliability of coastal protection riverbeds and channels from erosion and durability lifetime of shore protection structures at the expense of flexibility and load bearing capacity.

This objective is achieved in that the flexible combined bracket consists of a triangular prismatic gabions, at the base of which is an isosceles triangle, the base of its laid on the bottom or shore. The top of the triangular prismatic gabion geared up and may be perpendicular to or coincide with the direction of flow. At the base of the triangular prismatic gabions are connected by wire so that the formed solid mesh floor, directly adjacent to the bottom and banks of the channel of a river or channel.is an isosceles triangle. Net roll, rolled on the developed methodology and filled with stone, connects the top of the wire that forms the apex of the prism and is oriented upwards.

Prismatic gabions are placed so that the top is oriented upward, and the space formed between adjacent gabions, which also has a triangular prismatic shape, but the top is oriented down, filled with concrete, which results in the stiffening rigidly fastened to the contact grid. On the ridge of the triangular prismatic gabion provides structural expansion joints that can break a flexible combined fastening both in the transverse and in the longitudinal direction.

Formed by the space between adjacent gabion having a prismatic shape with a triangular cross-section and the top, oriented downwards, the upper part may be partially filled with concrete, and the lower part to be filled with a placeholder.

Flexible combined fastening may comprise a cellular structure, which is a checkerboard interleaving of cells filled with concrete, with cells filled with filler, planting vegetation in them. Growing root it with gabion, and also relates prismatic spaces between them.

Flexible combined fastening in the tension zone of the concrete may be provided for operating the valve, laid in rows in the transverse and longitudinal direction, and forming a mesh structure.

In Fig. 1 shows a longitudinal section of the riverbed or channel combined with flexible mounting; Fig.2 - section a-a in Fig.1, a top view; Fig. 3 - flexible combined fastening with complete filling of the space between the gabions concrete, axonometric view of Fig.4 - flexible combined fastening with partial filling of the space between the gabions concrete, axonometric view of Fig.5 - flexible combined fastening with chess alternation partially filled spaces between the concrete and gabion cells are completely filled with the filler, axonometric view of Fig.6 - flexible combined fastening with complete filling of the space between the gabions concrete with a solid net working reinforcement, axonometric view of Fig.7 - flexible combined fastening interleaved filled spaces between the concrete and gabion cells are completely filled with the filler, axonometric view.

The channel cross-section 1 consists of the coastal fish ing is edged prismatic gabions consist of 4 grid 5 and stones 6. Between a triangular prismatic gabion 4 at the base are connected by a wire 7, and at the top provide transverse structural expansion joints 8. Formed by the space between the triangular prismatic gabion 4, which also has a prismatic shape, but the top is oriented downwards, initially filled completely with concrete 9. Formed by the space between the triangular prismatic gabion 4 may be partially filled with concrete 10, and the lower part to be filled with filler 11. Flexible combined fastening can be provided and longitudinal structural expansion joints 12. Flexible combined fastening may also consist of a checkerboard of alternating cells partially filled with concrete with 10 cells completely filled with the filler 13. In the tension zone of the flexible combined fastening in concrete 9 may be provided transverse 14 and 15 longitudinal rods of the working valve.

Flexible combined mount is assembled and operates as follows.

Net roll 5 is placed on the bottom 3 and the shore 2 riverbed or channel 1 across the direction of flow of the stream. On a roll of mesh 5 are stacked stones 6 in the shape of a triangular prism with a cross with inalsa wire 8. So, sequentially mounted all prismatic gabion 4, which are interconnected at the base of the wire 7 on the downstream face. Formed by the space between the triangular prismatic gabion 4 also has a triangular prismatic shape, oriented top down, which is filled with concrete 9. Educated triangular concrete prism 9 for hardening concrete rigidly fixed with the contact grid 5, resulting in a rigid one-piece design flexible mounting. On the top of the triangular prismatic gabion 4 provides structural expansion joints 8, separating the solid concrete mounting 9 for individual structural elements and gives the mount a lot of flexibility.

Formed by the space between the triangular prismatic gabion 4 may partially on top to be filled with concrete 10 and partly by the filler 11.

Flexible combined fastening can be provided and longitudinal structural expansion joints 12, which gives the flexibility of mounting hardware and in all directions.

Flexible combined fastening may also consist of a checkerboard of alternating cells with partial filling of the be the of, their root system reinforced soil, in addition fix between adjacent triangular prismatic gabion 4.

Flexible combined fastening in the tension area of concrete 9 may be provided for operating the valves which are laid in rows in the lateral 14 and 15 longitudinal direction, resulting in a mesh design. Cross 14 and 15 longitudinal working valve greatly increases the load bearing capacity of flexible combined fastening.

The proposed solution has a number of advantages over other previously known, namely, the flexibility of the design for which is not dangerous possible deformations of the banks and the bottom of the riverbed during operation; not dangerous climatic conditions, in which there are alternating freezing and thawing. Design flexibility is a great advantage of this construction as it is in the water and to avoid possible deformation of the bottom and the base is impossible, and this will lead to deformation of the structure, which is not dangerous for this type of mounting.

Concrete coating significantly increases the service life of fastening, fully preventing the possibility of abrasion of the grid.

Significant equipment.

The proposed solution is cheaper than known similar due to save concrete and reliable protection from abrasion mesh during operation. While durability of these structures in 1,5-2 times higher than previously known similar technical solutions.

Sources of information
1. A. C. 1461821 the USSR, MKI E 02 D 17/20. Device for mounting a slope of earthen structures. / Skundin B. M. and Novozhilov, A. P. (USSR); Statements. 04.03.87; publ. 28.02.89, bull. 8.

2. A. C. 1141143 the USSR, MKI E 02 In 3/12. Gabion. /Saratov I. E., Sirenko L. P. and Serkov I. A. (USSR); Statements; 14.09.83; publ. 23.02.85, bull. 7.


Claims

1. Flexible combined fastening, containing stones and the grid, characterized in that the attachment is made in the form of alternating interconnected prismatic gabions and prismatic concrete coatings, when the gabion is made in the form of triangular prisms with the base in the form of an isosceles triangle, placed on its base on the bottom or on the shore, and the vertex of the triangle is oriented upwards perpendicular to the flow direction or the same direction of flow, the adjacent edges of the laid prisms are connected with the formation of a continuous grid coverage, C is triangular base and the top, oriented down towards the bottom or the shore, filled with concrete breakdown cover on the ridge of the prismatic gabion structural expansion joints.

2. Flexible combined fastening under item 1, characterized in that the space of triangular prismatic spaces partially filled with filler, and partly concrete with breakdown cover in the transverse and the longitudinal direction of the structural expansion joints.

3. Flexible combined fastening under item 1, characterized in that it is a cellular structure in which in a checkerboard pattern made of alternating cells partially filled with concrete and filled with a placeholder.

4. Flexible combined fastening under item 1, characterized in that in the tension zone of the triangular prismatic concrete elements made a solid net operating valve, passing through the triangular prismatic gabions.

 

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FIELD: building, particularly hydraulic structure reinforcement.

SUBSTANCE: method is performed in two-stages. The first stage involves forming vertical elongated flat ground massifs secured by hardening material. Massifs are created in crest embankment area and in upper area of embankment slope so that massifs are spaced minimal available distance from crest and pass through embankment body, including land-sliding upper embankment slope area. Massifs are anchored in mineral bottom by lower edges thereof and are arranged at least in three rows and there are at least three massifs in each row. Method for massifs forming involves driving double-slotted injectors directly in embankment ground or in wells formed in embankment and having plugged wellhead; orienting injector slots perpendicular to hydraulic pressure head vector direction in embankment area to be reinforced; injecting hardening material under increased pressure across horizons from top to bottom or in reverse direction, wherein injection is initially performed under 5-15 atm pressure and at minimal rate in each second injector of one outermost row beginning from extreme ones; feeding hardening material in previously missed injectors in this row; supplying injectors of another extreme row with hardening material in the same way; feeding hardening material to ejectors of medium rows under 10-20 atm pressure; performing the second reinforcement stage as material hardens to obtain 70% strength. The second reinforcement stage involves forming vertical elongated flat massifs of secured ground anchored in mineral bottom by lower edges thereof and arranged at least in three rows, wherein each one includes at least three massifs. Massifs extend at the angle exceeding embankment slope angle to horizontal line. Massifs are formed with the use of double-slotted injectors in remainder embankment area. Injector slots are directed perpendicular to hydraulic pressure head vector direction in embankment area to be reinforced. Hardening material is ejected in above succession, wherein hardening material pressure is equal to design process pressure enough for direction of feeding hardening material through injector slots and lesser than hardening material injection pressure of the first reinforcement stage.

EFFECT: increased reliability of structure reinforcement; prevention of land-slide on structure slopes.

3 cl, 3 dwg

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