Support element

FIELD: construction.

SUBSTANCE: invention relates to the field of construction, namely, to a support element designed for pasting-in into brick masonry and used in assemblies of slab support. The support element comprises a central rod and end anchor parts. The central rod is made of a concrete cylinder, having longitudinal corrugations on the outer side for better spread of an injectable formulation with depth of 0.1-0.5 cm and two transverse corrugations for installation of fixing rings with depth of 0.1-0.5 cm: an inner aligning ring in the form of a sprocket and an outer fixing ring with a reference hole in the upper part. In the centre of the cylinder there is a through hole for installation of the nozzle into it for injection of the chemical formulation.

EFFECT: increased strength of a support element.

3 cl, 3 dwg

 

The invention relates to the field of construction, and in particular to methods of repair works on objects with masonry load-bearing exterior and interior walls, in particular to the nodes bearing floor slabs, as hard and for free bearing floor slabs of various types on the bearing walls of solid and hollow brick.

Most modern methods of connection of the joists is the device grooves in the existing load bearing wall, followed by the bearing plate, which reduces the cross-sectional area of the wall and, as consequence, to decrease the bearing capacity.

Known reinforcing anchor element containing a rod of fiberglass enclosed in a sheath in the form of spiral windings of tape steel foil wound with an overlap of its coils. USSR author's certificate No. 1325152, IPC IS 5/07, 1987. A disadvantage of the known element is the impossibility of its use for connecting layers of concrete panels or walls of brick.

Known heating furnace lining, consisting of inner and outer layers of refractory smooth and burners, equipped in the walls of the furnace, characterized in that the walls of the furnace at a distance of 4-5 rows of the brickwork on either side of the axis of the burner units set nquery, moreover, the outer side of the anchorage of walls to perform step 1100-1500 mm, and the inner side in increments of 600-800 mm Anchors are made of heat-resistant metal plates with a thickness of 10 mm For fixing anchors in the refractory lining of the furnace use anchor pins with a diameter of not less than 16 mm, made of heat-resistant steel. Patent of Russian Federation # 26640, IPC7F27D 1/00, F27D 1/08, 2002

Known connecting element consisting of a Central rod and end anchor parts, made of unidirectional fibers, impregnated with a curable polymeric binder, and an anchor portion provided with a liner, the number of continuous fibers in any cross-section along the entire length of the element constantly and in the end anchor portions of the fibers are located at the periphery of the liner Patent of Russian Federation №2002009, IPC IS 5/12, 1993. The disadvantage of the coupling element is that it cannot use for connecting layers of concrete panels or walls of brickwork due to the reduced mesocestoides.

Known connecting element consisting of a Central rod and end anchor parts, made of unidirectional mineral fibers, impregnated with a curable polymeric binder, and an anchor portion provided with a liner, the number of continuous in the window at any cross section along the length of the element constantly and in the end anchor portions of the fibers are located at the periphery of the liner, in which the insert is made of unidirectional fibers, impregnated with a curable polymeric binder, or from a ceramic material and a Central core provided with a lock-stop. As the polymer binder used in the mixture of liquid and solid epoxy resins. As the polymer binder used vinyl ester binder. To anchor parts of the transverse corrugation depth of 0.1-0.5 mm Clip-limiter is made of a porous elastic plastic. The insert is made of a conical-cylindrical shape. The patent of Russian Federation №2147655, IPC IS 5/12, 2000 Prototype. The disadvantage of the coupling element is that it cannot use for connecting layers of concrete panels or walls of brickwork due to the reduced mesocestoides.

The technical result of the invention is the preservation of existing brick walls and pillars, reconstructed and restored buildings; use of older designs, as bearing; reduction shtrobleniya in existing walls and piers; increased strength, durability, spatial stiffness and seismic stability of buildings; preservation of the structural integrity of the structure.

The technical result is achieved in that the supporting element is designed for installation in masonry, containing C is tranny rod end anchor portion with the liner, lock limiter associated curable polymer or polymer binder, a Central rod made of concrete cylinder, having on the outer side of the longitudinal and transverse corrugation depth of 0.1-0.5 cm, in the center of the cylinder is made a through hole for the fitting (packer) for injection of the chemical composition, the latch stop is made in the form of two centering rings, the inner ring has the shape of stars, and the outer solid with a control hole in the top. The connecting element is provided with a supporting table, which is connected to a support element by chemical or mechanical anchors or support via is inserted into the connecting element of the valve. The reference element contains reinforcing bars. As an injectable composition used in the chemical composition based on epoxy resin type Hilti HIT RE 500.

The invention is illustrated in figure 1-3.

Figure 1 shows the General view is inserted into the brick wall of the support element on the side showing the main component parts. Alternatively, the illustrated bearing slabs through the supporting table, which is fixed to the support element by chemical or mechanical anchors, where: 1 - epoxy compound, 2 - concrete cylinder (reference ale is NT), 3 - hole injection, 4 - ring-star, 5 - ring with a control hole, 6 - supporting table, 7 - floor slab, 8 - brick wall.

Figure 2 - shows a front view of the support elements, where: 1 - epoxy compound, 2 - concrete cylinder (reference element), 3 - hole injection, 8 - brick wall.

Figure 3 - shows a General view is inserted into the brick wall of the support element on the side. Alternatively, the shows host bearing floor slabs using affixed to the support element rebar: where: 1 - epoxy compound, 2 - concrete cylinder (reference element), 3 - hole injection, 4 - ring-star, 5 - ring with a control hole, 7 - floor slab, 8 - brick wall, 9 - rebars

The support element 1 can evenly and over a larger area to transfer the load from the floor slab 5 on the brick wall 8. The hole for the insert concrete cylinder 1 in a brick wall 8 is made using diamond crowns of the appropriate diameter.

Pre-installation concrete cylinder 1 into the hole produced manually, concrete cylinder 1 is fixed to a brick wall 9 plastic ring 3 with the control hole. The control ring hole 4 is installed at the highest point. As the support element using concrete cylinder 1, in which the SAR is ü axis made the hole for injection 2. Previously in this hole for injection 2 install fitting (figures not shown)on the outer side of which is made of longitudinal and transverse corrugation depth of 0.1-0.5 cm

For the alignment of in-drilled-hole concrete cylinder 1 use the second (inner) ring in the form of "stars" 3. Then in the annular gap through the nozzle inject epoxy compound 7. After appearing in the inspection hole of the ring 4 epoxy composition 7 injectiona stop. After dialing the chemical composition of the strength of the supporting element can be used to support the floor slabs by setting as an expansion anchors, chemical anchors. Also it is possible to manufacture the supporting elements 1 with embedded items.

Plastic ring 4 allow you to lock the support element 1 in the hole immediately before injection and during the process of injection prevent extrusion of the support element 1 from the hole. Injectiona epoxy composition is performed by the dispenser. Mixing of the components is carried out in the spout of the faucet. Injectiona stop when the epoxy composition 7 in the inspection hole of the ring 4. After dialing the chemical composition strength plot of a brick wall with 8 installed in it a support element 1 can be used to set the base element 1 chemical anchors, and for pasting into supporting element 1 threaded rods and reinforcing bars to create a site bearing floor slabs 5 in the reconstruction of civil buildings.

Concrete cylinder 1, which is inserted into the brick wall 8, being a fairly durable material, able to perceive and point loads and transfer them to turn over the entire surface of the hole through the adhesive 7 on the brick wall 8. Since the surface area of the adhesive composition is quite large, the load is distributed evenly, allowing for use as load-bearing elements of the existing brick wall 8. At the same time the adhesive composition penetrates into the pores and cracks of the existing masonry, produces its volumetric hardening in the contact layer to a depth of 20-40 mm Inset produced by setting the support element 1 in the prepared hole and pumping the chemical composition based on epoxy resin type Hilti HIT RE 500 and analy. The compositions are used on the basis of the injection well as micro cements, injection materials based on silicates, isocyanates, acrylic gels.

1. Supporting element is designed for installation in masonry, containing a Central core and an end of the anchor portion, wherein the Central rod is made of concrete cylinder, having on the outer side of the longitudinal reef is recommended reading for a better spreading of the injection composition depth of 0.1-0.5 cm and two transverse ribs for installing retaining rings depth of 0.1-0.5 cm: inner centering ring-shaped sprocket and the outer retainer rings with a control hole in the top, in the center of the cylinder is made a through hole for the nozzle for injection of the chemical composition.

2. Supporting element according to claim 1, characterized in that it has a reference table, which is connected to a support element by chemical or mechanical anchors.

3. Supporting element according to claim 1, characterized in that the supporting element contains reinforcing bars.



 

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