CN212801630U - Assembled building block retaining wall of high-speed joint - Google Patents

Abstract

The utility model relates to an assembled building block retaining wall of high-speed joint, including the different prefabricated building block of six kinds of forms. The prefabricated building blocks are temporarily supported through the inner supports and the square connecting plates to form a space with the exterior sealed by wing plates and the interior permeable. The precast blocks are formed into a whole by pouring concrete grout into the inner connecting layer. The utility model provides a but high-speed joint to an assembled building block retaining wall structure that the wholeness is stronger.

Description

Assembled building block retaining wall of high-speed joint

Technical Field

The utility model relates to an engineering construction field especially relates to an assembled building block retaining wall and construction method thereof. The utility model provides an assembled retaining block earth wall structure that is become by different forms of prefabricated block and quick connect method thereof is particularly useful for the limited engineering construction in operation space.

Background

Most of the existing retaining wall structures adopt cast-in-place or integral prefabrication. The cast-in-place structure has the defects of long construction period, large weather influence on construction quality and the like; the whole prefabricated structure has the defects of overlarge structural form, difficulty in transportation and installation and the like, and meanwhile, the two methods have high requirements on the operation space and are difficult to construct in a narrow space.

The block type retaining wall is a structural form which is formed by splitting a retaining wall structure into a plurality of blocks, prefabricating the blocks and assembling the blocks on site. This kind of retaining wall structure is light, is convenient for transport and installation, can exert great advantage in narrow and small operation space.

The Chinese patent with the application number of 2017213761620 discloses a prefabricated retaining wall, which comprises a multilayer structure, wherein each layer is composed of a division plate, a web plate, a cross beam and a connecting inserting plate, and is connected with a tenon through mortise and tenon to form an empty box body.

Chinese patent application No. 2017213272427 discloses "an assembled building block retaining wall", including five different concrete blocks, during the installation through the protruding of lower floor's building block upper portion and the groove connection of upper building block lower surface, the device assembles simply and demolishs the convenience and does benefit to the recovery.

Chinese patent application No. 2018204977705 discloses "an assembly type block retaining wall", including: the building blocks are mutually clamped with the upper and lower bulges and the grooves when the building blocks are stacked, and meanwhile, the anchoring rod is inserted into the hole from top to bottom to further reinforce the structure.

The Chinese patent with the application number of 2018210452901 discloses a prefabricated assembled hollow retaining wall, wherein each building block is formed by assembling front, back, left and right panels, and is connected with each other in a clamping manner, and the device greatly reduces the weight of prefabricated components and is convenient to stack and transport.

At present, structural forms and assembly modes provided for the block type retaining wall are various, but the problems of poor integrity, poor mechanical property of connecting parts, complex connecting work and the like exist.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a quick connect's assembled building block retaining wall.

The utility model adopts the technical proposal that:

a quickly-connected assembled block retaining wall is formed by assembling prefabricated blocks, each prefabricated block comprises a square block body, a wing plate, an inner support and a connecting steel bar, the connecting steel bar is formed by extending out of a rib body in the square block body or extending out of the connecting steel bar after being connected with the rib body in the square block body, the wing plates are positioned on the side edges of the square block body, and an inner transparent and outer sealed space is formed between the prefabricated blocks through temporary support of the inner supports and the wing plates; the prefabricated building blocks are connected through pouring concrete grout, and the particle size of coarse aggregate in the concrete grout is far smaller than the distance between the connecting reinforcing steel bars or no coarse aggregate is added.

The utility model discloses a further technique:

preferably, the side of the wing plate is provided with a groove for installing water stop to prevent concrete slurry from seeping out during pouring.

Preferably, the length of the connecting steel bar is slightly less than 2 times of the length of the inner support.

Preferably, the precast block is provided with a grout overflow hole for checking whether grout between the connecting layers is full.

Concrete grout with different grades or ultra-high performance concrete grout can be poured in the designed retaining wall layer by layer.

The self strength of the prefabricated block body, the length of the connecting steel bars and the density degree can be locally adjusted according to the requirement of the designed retaining wall.

The beneficial effects of the utility model reside in that:

1. the building blocks are prefabricated in a factory, the structure is light, the transportation and the installation are convenient, and the huge advantages can be played in a narrow operation space.

2. The prefabricated building blocks are connected through a concrete slurry pouring mode between the connecting reinforcing steel bars, and the integrity of the block type retaining wall is better and the connection is quicker compared with the prior art.

3. The wing plates between the prefabricated building blocks are mutually spliced to form an externally closed and internally communicated space, so that a template does not need to be installed when concrete slurry is poured, and the construction time is saved.

4. Structural style is changeable, and this type of structure is formed by the concatenation of multiple prefabricated building block, and the concatenation mode between prefabricated building block is changeable, can form the retaining wall structure of different shapes, can assemble into other types' structure even, like the sectional lining cutting structure of rectangle.

Drawings

FIG. 1 is a schematic perspective view of the splicing of precast blocks;

FIG. 2 is a schematic cross-sectional view of the splicing of each precast block;

FIG. 3 is a perspective view of a standard block;

FIG. 4 is a perspective view of a cover block I;

FIG. 5 is a perspective view of a second cover block;

FIG. 6 is a perspective view of a third cover block;

FIG. 7 is a perspective view of a prism block;

FIG. 8 is a perspective view of a corner block;

fig. 9 is a schematic view showing a construction form of a partial retaining wall to which the prefabricated blocks of this type can be assembled.

Wherein: 1-standard block; 2-cover block one; 3-edge sealing block; 4-sealing surface block two; 5-sealing block III; 6-corner sealing block; 7-slurry overflow hole; 8-wing plate; 9-connecting steel bars; 10-inner support; 11-a cube; 12-a tie layer; 13-a groove; 14-bottom layer; 15-intermediate layer; 16-step lower layer; 17-upper step layer; 18-the top layer.

The specific implementation mode is as follows:

in order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further described with reference to the following embodiments.

Fig. 3-8 are the perspective view of precast block, the square block body 11 that precast block contained, pterygoid lamina 8, interior support 10 and connecting reinforcement 9, wherein connecting reinforcement 9 stretches out the formation or stretches out the formation after making with the inside reinforcing bar of square block body 11 by the inside muscle body of square block body, precast block produces and stretches out the formation after accomplishing according to the demand of design retaining wall form on front cover block 2, front cover block two 4, front cover block three 5 or seal arris block 3 and set up the excessive thick liquid hole correspondingly, be used for examining whether the concrete thick liquid is sufficient in articulamentum 12, the pterygoid lamina side sets up recess 13 simultaneously, be used for the installation stagnant water, concrete thick liquid oozes from the pterygoid lamina seam when preventing to pour.

The position of the connecting steel bars 9 on the mutual lapping surface of each prefabricated building block needs to be staggered in the production process of the prefabricated building blocks.

The connection form of the precast blocks is as shown in fig. 1 and 2, during the installation process, the position of the designed retaining wall is determined, and then the block laying is carried out, wherein the laying process mainly comprises the steps of laying a bottom layer 14, laying a middle layer 15, laying a step layer lower layer 16, laying a step layer upper layer 17 and laying a top layer 18.

The bottom layer 14 is laid as follows: firstly, placing a corner sealing block 6 at the corner point of a designed retaining wall, and installing a square connecting plate in a concave hole of an inner support 10; secondly, the edge sealing blocks 3 are placed along two horizontal directions of the designed retaining wall surface, water stopping is correspondingly placed in the grooves 13 on the wing plates 8, and the inner supports 10 of all the prefabricated blocks are ensured to be smoothly connected through square connecting plates; placing the sealing edge block 3 and the sealing surface block I2, correspondingly placing water stopping in the groove 13, and ensuring that the inner supports 10 of the prefabricated building blocks are smoothly connected.

And after the bottom layer 14 is paved, paving 15 middle layers, wherein the paving requirements of the middle layer 15 are as follows: the edge sealing block 3 is arranged above the corner sealing block 6 in the bottom layer 14; a first sealing block 2 is arranged above the edge sealing block 3 in the bottom layer 14; the standard block 1 is placed above the first sealing face block 2 in the bottom layer 14, and the water stopping installation in the groove 13 and the connection mode of the inner support 10 are the same as those of the bottom layer 14.

The laying requirements of the lower step layer 16 are as follows: the laying of the step layer lower layer 16 is the same as the middle layer 15 at the inner side of the step; at the step position, a second sealing block 4 is placed above the first sealing block 2 in the middle layer 15, and a standard block 1 is placed above the standard block 1 in the middle layer 15; on the step outside, place the one 2 of face piece in the middle level 15 above the standard block 1, place a arris piece 3 in the middle level 15 above the one 2 of face piece, place a corner piece 6 in the middle level 15 above the arris piece 3, the interior stagnant water installation of recess 13 and the connected mode of interior support 10 are the same with bottom 14.

The laying requirements of the upper layer 17 of the hierarchy are as follows: the step upper layer 17 is laid on the inner side of the step in the same way as the intermediate layer 15; in the step position, the edge sealing block 3 is placed above the second sealing block 4 in the lower layer 16 of the step layer, the third sealing block 5 is placed above the standard block 1 in the lower layer 16 of the step layer, and the connection modes of water stopping installation in the groove 13 and the inner support 10 are the same as those of the bottom layer 14.

The laying of the top layer 18 requires the following: the corner sealing block 6 is arranged above the edge sealing block 3 in the middle layer 15; the edge sealing block 3 is arranged above the first sealing block 2 in the middle layer 15; a first sealing block 2 is arranged above the standard block 1 in the middle layer 15, and the water stopping installation in the groove 13 and the connection mode of the inner support 10 are the same as that of the bottom layer 14.

During the installation process, concrete grout is poured into the concrete grout for each layer or layers. The pouring mode adopts the mode of directly pouring the same concrete grout or pouring different concrete grouts in layers until the designed inner connecting layer 12 of the retaining wall is completely filled.

Fig. 9 is a schematic view of two types of retaining wall structures that the prefabricated building blocks can be assembled.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (4)

1. The utility model provides a quick connect's assembled building block retaining wall which characterized in that: the retaining wall is formed by assembling prefabricated building blocks, each prefabricated building block comprises a square block body, wing plates, an inner support and connecting steel bars, the connecting steel bars are formed by extending out of rib bodies inside the square block body or extending out of the rib bodies after being connected with the steel bars inside the square block body, the wing plates are positioned on the side edges of the square block body, and an inner transparent and outer sealed space is formed among the prefabricated building blocks through temporary support of the inner supports and the wing plates; the prefabricated building blocks are connected through pouring concrete grout, and the particle size of coarse aggregate in the concrete grout is far smaller than the distance between the connecting reinforcing steel bars or no coarse aggregate is added.

2. A quick connect, assembly block retaining wall as claimed in claim 1, wherein: the flank of the wing plate is provided with a groove for installing water stop.

3. A quick connect, assembly block retaining wall as claimed in claim 1, wherein: the length of the connecting steel bar is slightly less than 2 times of the length of the inner support.

4. A quick connect, assembly block retaining wall as claimed in claim 1, wherein: and the precast building blocks are provided with grout overflow holes.

Images