CN218521760U

CN218521760U - Prefabricated wall brick and diaphragm wall

Info

Publication number: CN218521760U
Application number: CN202222625839.7U
Authority: CN
Inventors: 冯志杰; 吴健; 张敬弦; 冯国春; 叶鹏; 刘军; 胡梦琪; 赵征
Original assignee: Road and Bridge International Co Ltd; Road and Bridge South China Engineering Co Ltd
Current assignee: Road and Bridge International Co Ltd; Road and Bridge South China Engineering Co Ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-02-24
Anticipated expiration: 2032-09-30

Abstract

The utility model provides a prefabricated wall brick and a ground connecting wall, which has the technical proposal that the prefabricated wall brick comprises a brick body used for enclosing to form an annular ground connecting wall, wherein the brick body is in a strip-shaped structure; the brick body is internally provided with a cavity which penetrates through two ends along the height direction and a plurality of steel bar pieces which are arranged between the cavity and the outer side wall of the brick body, the other key point is a ground connection wall which comprises the prefabricated wall brick, and a plurality of brick bodies are sequentially connected in the width direction; this scheme can realize that prefabricated ground links the wall and avoids the concatenation in the direction of height, improves stagnant water performance, and under the condition that does not influence the intensity of prefabricated ground linking the wall, the weight that reduces prefabricated ground linking the wall reduces cost simultaneously.

Description

Prefabricated wall brick and diaphragm wall

Technical Field

The utility model relates to a ground is wall brick field even, especially relates to a prefabricated wall brick and ground are wall even.

Background

The gravity type anchorage of the suspension bridge is usually buried underground, the excavation of an anchorage foundation pit needs to use a diaphragm wall structure for supporting the foundation pit, and along with the increasing span of the suspension bridge, the anchorage foundation pit is deeper and deeper, and the requirement on the bearing capacity of the diaphragm wall is higher and higher.

At present, the construction process of the prefabricated underground diaphragm wall is adopted to replace the traditional construction process of the underground diaphragm wall, the prefabricated underground diaphragm wall has the advantages of short construction time, controllable quality, capability of carrying out prestress treatment and the like, but the existing prefabricated underground diaphragm wall is spliced in a segmented mode in the height direction, so that the prefabricated underground diaphragm wall has too many seams and is not beneficial to water stop, a solid section is adopted in the section, the weight is large, the manufacturing cost is high, in addition, in the construction operation, the prefabricated underground diaphragm wall is also subjected to prestress tensioning on the site, and the operation quality is not easy to control.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prefabricated wall brick and ground are wall even, realize that prefabricated ground is wall even and avoid the concatenation in the direction of height, improve stagnant water performance, simultaneously under the condition that does not influence the intensity of prefabricated ground even wall, reduce the weight of prefabricated ground even wall, reduce cost.

In order to achieve the above object, the present invention provides the following technical solutions:

the prefabricated wall brick comprises a brick body for enclosing to form an annular diaphragm wall, wherein the brick body is in a strip-shaped structure; the brick body is internally provided with a cavity which penetrates through two ends along the height direction and a plurality of steel bar pieces which are arranged between the cavity and the outer side wall of the brick body.

The brick is further provided with a plurality of reinforcing steel bar pieces which are arranged in two rows, wherein the two rows of reinforcing steel bar pieces are respectively arranged on two sides of the brick body in the width direction.

Further, the brick body extends in an arc shape in the length direction.

It is further provided that the cavity extends arcuately in a length direction along an arcuately extending path of the brick body.

And further arranging a plurality of steel bar pieces which extend along the height direction of the brick body and are arranged at intervals along the arc-shaped extending path of the brick body.

Further, the steel bar piece is a prestressed steel bar, and the steel bar piece is embedded in the brick body.

Further, the brick body is a concrete brick.

The utility model also provides a ground is wall even, including a plurality of as above arbitrary prefabricated wall brick, it is a plurality of the brick body connects gradually on the width direction, and the end to end forms and is used for arranging the cyclic annular ground that links at cyclic annular slot and links the wall.

Further setting, the device also comprises an anchoring layer; and the adjacent brick bodies are connected through the anchor layer.

Further setting, the sand layer that is used for supporting the inside wall of tight annular slot is arranged to the medial surface and the lateral surface of cyclic annular ground even wall.

Compared with the prior art, the utility model discloses a scheme has following advantage:

1. in the prefabricated wall brick, the brick body is a strip-shaped body, no splicing seam exists in the height direction of the diaphragm wall formed by enclosing the brick body, the water stopping performance is improved, and the convenience and operability of the connection of adjacent brick bodies are improved in specific construction, so that the connection quality of the adjacent brick bodies is improved, and the connection strength is enhanced; in addition, the brick body is hollowed through the cavity inside the brick body, the reinforcing steel bar piece is arranged between the cavity and the outer side face of the brick body, the prefabricated underground diaphragm wall adopting the brick body has the advantages of high bearing capacity and low cost, splicing of the prefabricated underground diaphragm wall in the height direction is avoided, water stopping performance is improved, meanwhile, the weight of the prefabricated underground diaphragm wall is reduced under the condition that the strength of the prefabricated underground diaphragm wall is not affected, and manufacturing cost is reduced.

2. The utility model relates to an among the prefabricated wall brick, the width direction's of the brick body both sides respectively with the both sides lateral wall contact of slot, the length direction's of the brick body both sides respectively with adjacent brick body concatenation, through the distributed position of reasonable reinforcing bar spare that sets up, concentrate the reinforcing bar spare and arrange the both sides on the width direction of the brick body, the intensity of the width direction's of the brick body both sides is reinforceed to pertinence ground, improves bearing capacity, reduces reinforcing bar spare quantity simultaneously, reduces the cost.

3. The utility model relates to an among the prefabricated wall brick, the brick body extends in length direction upper arc, and the brick body is the arc bending at length direction promptly, makes and can constitute cyclic annular ground even wall after a plurality of brick bodies link to each other end to end fast, avoids every brick body to rotate respectively and caters to the central angle of cyclic annular slot, also need not the manual work and controls the interval of arranging after every brick body rotates, has reduced the construction required precision and the operation degree of difficulty.

4. The utility model relates to an among the prefabricated wall brick, the cavity carries out the arc at length direction along the arc extension route of the brick body and extends, and the cavity is crooked with the same radian with the brick body promptly, makes the lateral wall of cavity and keeps equal with the thickness everywhere between the lateral wall that closes on the brick body, improves the shaping quality of the brick body.

5. The utility model relates to an in the prefabricated ground even wall, the brick body links to each other end to end on length direction, forms annular ground even wall, need not to splice once more in the direction of height, has special construction after improving because of the brick body, makes the annular ground even wall after assembling have the bearing capacity height and cause advantage with low costs, in assembling the construction, has better convenience, maneuverability and connection quality, improves the bulk strength of ground even wall.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a sectional view in a height direction of a brick body in an embodiment of the present invention;

fig. 2 is a schematic diagram of splicing adjacent bricks in an embodiment of the present invention;

fig. 3 is a top view of a diaphragm wall according to an embodiment of the present invention;

fig. 4 is a front view of a diaphragm wall according to an embodiment of the present invention.

Reference numerals: 1. a brick body; 11. a cavity; 12. a piece of rebar; 2. a sandy soil layer; 3. an anchoring layer; 4. the annular ground is wall even.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1-4, the utility model provides a prefabricated wall brick, which comprises a brick body 1 for enclosing and forming an annular ground connecting wall 4, wherein the brick body 1 is in a strip structure; the brick body 1 is internally provided with a cavity 11 which penetrates through two ends along the height direction and a plurality of steel bar pieces 12 which are arranged between the cavity 11 and the outer side wall of the brick body 1.

The implementation effect is that the brick bodies 1 are strip-shaped bodies, no splicing seam exists in the height direction of the diaphragm wall formed by enclosing the brick bodies 1, the water stopping performance is improved, and the convenience and operability of connection of the adjacent brick bodies 1 are improved in specific construction, so that the connection quality of the adjacent brick bodies 1 is improved, and the connection strength is enhanced; in addition, the brick body 1 is hollowed through the cavity 11 inside the brick body, the reinforcing steel bar piece 12 is arranged between the cavity 11 and the outer side face of the brick body 1, the prefabricated underground diaphragm wall adopting the brick body 1 has the advantages of high bearing capacity and low cost, splicing of the prefabricated underground diaphragm wall in the height direction is avoided, water stopping performance is improved, and meanwhile, the weight of the prefabricated underground diaphragm wall is reduced and manufacturing cost is reduced under the condition that the strength of the prefabricated underground diaphragm wall is not influenced.

In a further improvement, the plurality of reinforcing steel bar pieces 12 are divided into two rows, and the two rows of reinforcing steel bar pieces 12 are respectively arranged on two sides of the brick body 1 in the width direction.

The plurality of reinforcing steel bar pieces 12 are divided into two rows, and the two rows of reinforcing steel bar pieces 12 are respectively arranged on two sides of the brick body 1 in the width direction.

In a further improvement, the brick body 1 extends in an arc shape in the length direction.

The brick body 1 extends in length direction, and the brick body 1 is the arc bending at length direction promptly, makes 1 end to end of a plurality of brick bodies can constitute cyclic annular ground even wall 4 fast, avoids every brick body 1 to rotate respectively and caters to the central angle of cyclic annular slot, also need not the manual work and rotates every brick body 1 the back interval of arranging of accuse, has reduced the construction accuracy requirement and the operation degree of difficulty.

Preferably, the cavity 11 extends arcuately in the length direction along an arcuately extending path of the brick body 1.

The cavity 11 carries out the arc extension along the arc extension route of the brick body 1 in length direction, and cavity 11 and brick body 1 carry out the bending with the same radian promptly, make the lateral wall of cavity 11 and the thickness everywhere between the lateral wall that closes on the brick body 1 keep equal, improve the shaping quality of the brick body 1.

In practical application, the plurality of reinforcing steel bar pieces 12 extend along the height direction of the brick body 1 and are arranged at intervals along the arc-shaped extending path of the brick body 1.

The reinforcing steel bar pieces 12 extend along the height direction of the brick body 1, namely the reinforcing steel bar pieces 12 are longitudinally arranged, when the brick body 1 is bent in the length direction, the reinforcing steel bar pieces 12 are transversely arranged relative to the reinforcing steel bar pieces 12, the reinforcing steel bar pieces 12 which are longitudinally arranged do not need to be bent, the subsequent prestress treatment on the reinforcing steel bar pieces 12 is facilitated, and the processing difficulty is reduced; the reinforcing bar spare 12 extends the route interval along the arc of the brick body 1 and arranges, and the row's of reinforcing bar spare 12 is put and has all fallen on predetermineeing the camber line promptly, and predetermine the radian of camber line and the radian of the arc extension of the brick body 1 the same, and every reinforcing bar spare 12 can evenly distributed to the effort that receives of the brick body 1, improves bearing effect.

In specific implementation, the steel bar 12 is a prestressed steel bar, and the steel bar 12 is embedded in the brick body 1.

In this embodiment, the steel bar 12 is pre-stressed by the pre-tensioning process, so as to improve the bearing capacity of the single brick 1, and in addition, the steel bar 12 can be pre-stressed by the post-tensioning process, which is not limited by this embodiment.

Preferably, the brick body 1 is a concrete brick.

In the concrete operation, besides selecting concrete bricks as the brick bodies 1, different materials such as cement bricks can be selected as the brick bodies 1, which is not limited too much in this embodiment.

Combine fig. 2 and fig. 3 to show, the utility model also provides a ground is wall even, including a plurality of arbitrary prefabricated wall brick, it is a plurality of the brick body 1 connects gradually on the width direction, and the end to end forms and is used for arranging cyclic annular ground in cyclic annular slot wall 4 even.

The brick body 1 links to each other end to end in length direction, forms annular ground and links wall 4, need not to splice once more in the direction of height, has special construction after improving because of the brick body 1, makes the annular ground after assembling link wall 4 have the bearing capacity height and lead to the fact advantage with low costs, in assembling the construction, has better convenience, maneuverability and connection quality, improves the bulk strength of ground link wall.

In specific construction, the concrete further comprises an anchoring layer 3; and the adjacent brick bodies 1 are connected through the anchoring layer 3.

As a further improvement, the inner side surface and the outer side surface of the annular diaphragm wall 4 are provided with sand layers 2 for abutting against the inner side wall of the annular groove.

The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The prefabricated wall brick comprises a brick body for enclosing to form an annular diaphragm wall, and is characterized in that the brick body is of a strip-shaped structure; the brick body is internally provided with a cavity which penetrates through two ends along the height direction and a plurality of steel bar pieces which are arranged between the cavity and the outer side wall of the brick body.

2. The precast wall brick according to claim 1, wherein the plurality of reinforcing members are arranged in two rows, and the two rows of reinforcing members are disposed on both sides of the brick body in the width direction.

3. A prefabricated wall block according to claim 1, wherein the block body extends arcuately in a lengthwise direction.

4. A prefabricated wall block according to claim 3, characterised in that the cavity extends arcuately in length along an arcuately extending path of the block body.

5. The precast wall brick according to claim 3, wherein the plurality of reinforcing bars extend in the height direction of the brick body and are arranged at intervals along the arc-shaped extending path of the brick body.

6. The precast wall brick of claim 1, wherein the steel bar is prestressed steel bars, and the steel bar is pre-embedded in the brick body.

7. The precast wall tile of claim 1, wherein the tile body is a concrete tile.

8. A diaphragm wall comprising a plurality of prefabricated wall tiles as claimed in any one of claims 1 to 6, wherein a plurality of said tiles are connected in series widthwise and connected end to form an annular diaphragm wall for disposition in an annular channel.

9. The diaphragm wall of claim 8, further comprising an anchoring layer; and the adjacent brick bodies are connected through the anchor layer.

10. The diaphragm wall of claim 8, wherein the inner side and the outer side of the annular diaphragm wall are provided with a sand layer for abutting against the inner side wall of the annular groove.