CN212200822U

CN212200822U - Expansion joint structure facilitating reduction of concrete shrinkage cracks and convenient construction

Info

Publication number: CN212200822U
Application number: CN202020728871.6U
Authority: CN
Inventors: 郑海彬; 陈小琴
Original assignee: Yiwu Urban Planning And Design Institute Co ltd
Current assignee: Zhejiang Hanyu Design Co.,Ltd.
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2020-12-22
Anticipated expiration: 2030-05-06

Abstract

The utility model relates to a road surface construction technical field just discloses an expansion joint structure that helps reducing concrete shrinkage crack and make things convenient for construction, including the basic unit, the upper surface of basic unit is provided with concrete layer, and the expansion joint has been seted up on concrete layer's right side, the first angle steel of the lower right corner fixedly connected with of concrete layer, the lower fixed surface of first angle steel is connected with the waterstop, the left side fixedly connected with spliced pole of first angle steel is one. This expansion joint structure, through the bottom at expansion joint about two angle fixed connection's first angle steel and first angle steel bottom fixed connection's waterstop, can effectively prevent to permeate the water that gets off and enter into concrete layer from the bottom, reduced the probability of water from the bottom infiltration, the elastic metal water guide plate that has expansion joint middle part fixed connection simultaneously can lead away most water that permeates down, the moisture at the expansion joint with concrete layer edge has been reduced, the too big phenomenon of flexible that the temperature drop arouses has been reduced.

Description

Expansion joint structure facilitating reduction of concrete shrinkage cracks and convenient construction

Technical Field

The utility model relates to a road surface construction technical field specifically is an expansion joint structure that helps reducing concrete shrinkage crack and make things convenient for construction.

Background

The concrete expansion joint is a structural joint provided at an appropriate position along the direction of a construction joint of a building or a structure to prevent the structure from being cracked or damaged due to a change in temperature (thermal expansion or contraction) of the building. The expansion joint divides building components above a foundation such as a wall, a floor and a roof (except a wooden roof) into two independent parts, so that the building or the structure can horizontally expand and contract along the length direction. Concrete cracks are physical structural changes of concrete structures caused by the action of internal and external factors, and the cracks are main reasons for reducing the bearing capacity, durability and waterproofness of concrete structures, and the influence of temperature on expansion with heat and contraction with cold of cement concrete becomes prominent along with the application of the cement concrete in large-area ground and pavement projects of industrial plants, auditoriums, exhibition halls and the like.

The concrete that constructs still has a lot of problems in the road construction of living at present, and wherein to the infiltration of rainwater, waterproofing measure is not enough to lead to, and inside remains unnecessary moisture, produces the flexible phenomenon of concrete extremely easily when the temperature decline, and the expansion joint corner damages easily under the inhomogeneous condition of expansion joint top pressure atress easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a help reducing concrete shrinkage crack and convenient expansion joint structure of being under construction to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an expansion joint structure which is beneficial to reducing concrete shrinkage cracks and convenient to construct comprises a base layer, wherein a concrete layer is arranged on the upper surface of the base layer, an expansion joint is formed in the right side of the concrete layer, a first angle steel is fixedly connected to the lower right corner of the concrete layer, a water stop belt is fixedly connected to the lower surface of the first angle steel, a first connecting column is fixedly connected to the left side of the first angle steel, a first fixing block is fixedly connected to the left end of the first connecting column, a first fixing plate is fixedly connected to the middle of the right side of the concrete layer, an elastic metal plate is fixedly connected to the right side of the first fixing plate, a second connecting column is fixedly connected to the upper surface of the first fixing plate, a second fixing plate is fixedly connected to the upper end of the second connecting column, an elastic metal water guide plate is, the lower fixed surface of second angle steel is connected with spliced pole three, the bottom fixedly connected with fixed block two of spliced pole three, the last fixed surface of second angle steel installs first broach steel sheet, guiding gutter one has been seted up to the upper surface of first broach steel sheet, the upper right corner fixed mounting at expansion joint has second broach steel sheet, guiding gutter two has been seted up to the upper surface of second broach steel sheet, the inside packing at expansion joint has the filler.

Preferably, the quantity of first angle steel is 2, and fixed connection is in the lower right corner of expansion joint left side concrete layer respectively, the lower left corner of expansion joint right side concrete layer, and the last fixed surface of the first angle steel on the right is connected with the spliced pole, the right-hand member fixedly connected with fixed block of spliced pole.

Preferably, the number of the first fixing plates and the second fixing plates is 2, the first fixing plates and the second fixing plates are respectively and fixedly connected to concrete layers on the left side and the right side of the expansion joint, elastic metal plates are fixedly connected between the first fixing plates, and elastic metal water guide plates are fixedly connected between the second fixing plates.

Preferably, the quantity of second angle steel is 2, and fixed connection is respectively in the upper left corner on expansion joint left side concrete layer, the upper right corner on expansion joint right concrete layer, and the lower fixed surface of the second angle steel on the right is connected with the spliced pole, the bottom fixedly connected with fixed block of spliced pole.

Preferably, the filler can be non-rigid material such as foam or asphalt.

Preferably, the number of the first flow guide grooves is 2, and the first flow guide grooves are formed in the upper surface of the first comb-tooth steel plate.

Compared with the prior art, the beneficial effects of the utility model are that: this expansion joint structure that helps reducing concrete shrinkage crack and make things convenient for construction, first angle steel and the waterstop of first angle steel bottom fixed connection of two angle fixed connection about the bottom through the expansion joint, can prevent effectively that the water that permeates down from entering into concrete layer from the bottom, the probability of water from the bottom infiltration has been reduced, the some elastic metal water deflectors of expansion joint middle part fixed connection simultaneously, can lead away most water that permeates down, greatly reduced in the expansion joint and the moisture at concrete layer edge, the too big phenomenon of flexible expansion joint that the temperature decline arouses has been reduced, can protect the corner on concrete layer through first angle steel and second angle steel, prevent that the upper portion atress is inhomogeneous and the corner on the concrete layer that leads to damages.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic top view of the present invention;

fig. 3 is a schematic view of the connection structure of the first fixing plate and the second fixing plate of the present invention.

In the figure: the water-stop joint comprises a base layer 1, an expansion joint 2, a concrete layer 3, a water stop 4, a first angle steel 5, a first fixed block 6, a first connecting column 7, a first fixed plate 8, a second connecting column 9, a second fixed plate 10, a second fixed block 11, a third connecting column 12, a first comb steel plate 13, a second angle steel 14, a second comb steel plate 15, an elastic metal water guide plate 16, an elastic metal plate 17, a filler 18, a first diversion groove 19 and a second diversion groove 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an expansion joint structure which is beneficial to reducing concrete shrinkage cracks and convenient to construct comprises a base layer 1, wherein a concrete layer 3 is arranged on the upper surface of the base layer 1, an expansion joint 2 is arranged on the right side of the concrete layer 3, a first angle steel 5 is fixedly connected to the lower right corner of the concrete layer 3, a water stop belt 4 is fixedly connected to the lower surface of the first angle steel 5, a first connecting column 7 is fixedly connected to the left side of the first angle steel 5, a first fixing block 6 is fixedly connected to the left end of the first connecting column 7, the number of the first angle steels 5 is 2, the first angle steels are respectively and fixedly connected to the lower right corner of the concrete layer 3 on the left side of the expansion joint 2, the lower left corner of the concrete layer on the right side of the expansion joint 2, a connecting column is fixedly connected to the upper surface of the first angle steel on the right side, a, the upper surface of the first fixing plate 8 is fixedly connected with a second connecting column 9, the upper end of the second connecting column 9 is fixedly connected with a second fixing plate 10, the right side of the second fixing plate 10 is fixedly connected with an elastic metal water guide plate 16, the number of the first fixing plates 8 and the second fixing plates 10 is 2, the first fixing plates are respectively and fixedly connected in concrete layers at the left side and the right side of the expansion joint 2, an elastic metal plate 17 is fixedly connected between the first fixing plates 8, an elastic metal water guide plate 16 is fixedly connected between the second fixing plates 10, a first angle steel fixedly connected with the left corner and the right corner of the bottom of the expansion joint 2 and a water stop belt 4 fixedly connected with the bottom of the first angle steel can effectively prevent the permeated water from entering the concrete layers from the bottom, the probability of the permeation of the water from the bottom is reduced, meanwhile, the elastic metal water guide plate 16, greatly reduces the water content in the expansion joint 2 and the edge of the concrete layer, reduces the phenomenon of overlarge expansion caused by temperature drop, the upper right corner of the concrete layer 3 is fixedly connected with a second angle steel 14, the lower surface of the second angle steel 14 is fixedly connected with a third connecting column 12, the bottom end of the third connecting column 12 is fixedly connected with a second fixed block 11, the number of the second angle steel 14 is 2, the second angle steel 14 is respectively and fixedly connected with the upper left corner of the concrete layer 3 on the left side of the expansion joint 2, the upper right corner of the concrete layer on the right side of the expansion joint 2, the lower surface of the second angle steel on the right side is fixedly connected with a connecting column, the bottom end of the connecting column is fixedly connected with a fixed block, the first angle steel 5 and the second angle steel 14 can protect the corners of the concrete layer, the damage of the corners of the concrete, first 19 guiding gutters have been seted up to the upper surface of first broach steel sheet 13, and the quantity of first 19 guiding gutters is 2, sets up the upper surface at first broach steel sheet, and expansion joint 2's upper right corner fixed mounting has second broach steel sheet 15, and second 20 guiding gutters have been seted up to the upper surface of second broach steel sheet 15, and the inside packing of expansion joint 2 has filler 18, and filler 18 can be non-hard materials such as foamed plastic or pitch.

In the actual operation process, when the structure is used, the water stop belt 4 is fixedly connected to the base layer 1, the first angle steel 5 is fixedly connected to the upper surface of the water stop belt 4, the first fixing plate 8 and the second fixing plate 10 are fixedly connected to the steel bar framework firstly, concrete is poured in coke, the second angle steel 14 is fixedly connected to the upper corner of the concrete, and the first comb-tooth steel plate 13 is fixedly connected to the upper surface of the second angle steel 14 after the concrete is cooled and solidified.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a help reducing concrete shrinkage crack and expansion joint structure of convenient construction, includes basic unit (1), its characterized in that: the upper surface of the base layer (1) is provided with a concrete layer (3), the right side of the concrete layer (3) is provided with an expansion joint (2), the lower right corner of the concrete layer (3) is fixedly connected with a first angle steel (5), the lower surface of the first angle steel (5) is fixedly connected with a waterstop (4), the left side of the first angle steel (5) is fixedly connected with a first connecting column (7), the left end of the first connecting column (7) is fixedly connected with a first fixing block (6), the right middle part of the concrete layer (3) is fixedly connected with a first fixing plate (8), the right side of the first fixing plate (8) is fixedly connected with an elastic metal plate (17), the upper surface of the first fixing plate (8) is fixedly connected with a second connecting column (9), the upper end of the second connecting column (9) is fixedly connected with a second fixing plate (10), and the right side of the second, the utility model discloses a concrete layer's (3) upper right corner fixedly connected with second angle steel (14), the lower fixed surface of second angle steel (14) is connected with spliced pole three (12), the bottom fixedly connected with fixed block two (11) of spliced pole three (12), the last fixed surface of second angle steel (14) installs first broach steel sheet (13), guiding gutter (19) have been seted up to the upper surface of first broach steel sheet (13), the upper right corner fixed mounting of expansion joint (2) has second broach steel sheet (15), guiding gutter two (20) have been seted up to the upper surface of second broach steel sheet (15), the inside packing of expansion joint (2) has filler (18).

2. The expansion joint structure which helps to reduce concrete shrinkage cracks and is convenient to construct according to claim 1, wherein: the quantity of first angle steel (5) is 2, and fixed connection is in the lower right corner of expansion joint (2) the left side concrete layer (3) respectively, the lower left corner of expansion joint (2) the right concrete layer, and the last fixed surface of the first angle steel on the right is connected with the spliced pole, the right-hand member fixedly connected with fixed block of spliced pole.

3. The expansion joint structure which helps to reduce concrete shrinkage cracks and is convenient to construct according to claim 1, wherein: the number of the first fixing plates (8) and the second fixing plates (10) is 2, the first fixing plates and the second fixing plates are respectively fixedly connected to concrete layers on the left side and the right side of the expansion joint (2), elastic metal plates (17) are fixedly connected between the first fixing plates (8), and elastic metal water guide plates (16) are fixedly connected between the second fixing plates (10).

4. The expansion joint structure which helps to reduce concrete shrinkage cracks and is convenient to construct according to claim 1, wherein: the quantity of second angle steel (14) is 2, and fixed connection is respectively in the upper left corner of expansion joint (2) the concrete layer (3) on the left side, the upper right corner of expansion joint (2) the concrete layer on the right, and the lower fixed surface of the second angle steel on the right is connected with the spliced pole, the bottom fixedly connected with fixed block of spliced pole.

5. The expansion joint structure which helps to reduce concrete shrinkage cracks and is convenient to construct according to claim 1, wherein: the filler (18) may be a non-rigid material such as foam or asphalt.

6. The expansion joint structure which helps to reduce concrete shrinkage cracks and is convenient to construct according to claim 1, wherein: the number of the first guide grooves (19) is 2, and the first guide grooves are formed in the upper surface of the first comb-tooth steel plate.