CN210439627U - Sinking-proof cracking structure for first floor - Google Patents
Sinking-proof cracking structure for first floor Download PDFInfo
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- CN210439627U CN210439627U CN201921128921.0U CN201921128921U CN210439627U CN 210439627 U CN210439627 U CN 210439627U CN 201921128921 U CN201921128921 U CN 201921128921U CN 210439627 U CN210439627 U CN 210439627U
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Abstract
The utility model discloses a first floor ground anti-sinking cracking structure, belonging to the field of building construction, which is characterized in that the structure comprises a foundation, a packing layer is arranged on the foundation, a concrete plate layer is arranged on the packing layer, and a backfill layer is arranged on the concrete plate layer; a vertical ground beam is inserted between the foundation and the filler layer, one end of the ground beam is inserted into the foundation, and the other end of the ground beam extends into the filler layer; and structural joints are arranged on the adjacent concrete slab layers, and the projection of the structural joints is superposed with the cross section of the ground beam. The effect of preventing the ground from cracking in a large area is achieved.
Description
Technical Field
The utility model relates to a construction field, in particular to first floor ground prevents cracking structure that sinks.
Background
The quality of the first floor is important for the normal use of the public building, and the sinking of the first floor can cause cracks and the like in the public building and influence the safe use of the public building. The ground subsidence is called ground subsidence or ground subsidence, and the main reason is that the ground subsides due to the decrease of the thickness of the stratum after the ground loose layer is compacted.
The conventional common method for the first floor is to directly backfill soil and then compact the soil to form a rigid floor, and for large-area backfill public building projects, uneven settlement is easily generated on the first floor due to uneven stress inside the backfill soil, so that the ground is cracked in a large area.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a cracking structure that sinks is prevented on first floor ground reaches the effect that prevents the fracture phenomenon of large tracts of land from appearing in ground.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a first floor ground sinking-cracking-preventing structure comprises a foundation, wherein a packing layer is arranged on the foundation, a concrete plate layer is arranged on the packing layer, and a backfill layer is arranged on the concrete plate layer; a vertical ground beam is inserted between the foundation and the filler layer, one end of the ground beam is inserted into the foundation, and the other end of the ground beam extends into the filler layer; and structural joints are arranged on the adjacent concrete slab layers, and the projection of the structural joints is superposed with the cross section of the ground beam.
By adopting the technical scheme, the load on the backfill layer is transferred to the concrete slab layer and then is transferred downwards continuously, the structure joint on the concrete slab layer can block the continuous transfer of the horizontal load, meanwhile, the projection of the structure joint is superposed with the cross section of the ground beam, the ground load can be prevented from being transferred to the ground beam foundation, the stability of the foundation is ensured, the stress in the backfill layer can be uniform, the ground can be uniformly settled, and the large-area cracking phenomenon can be avoided; the concrete slab layer of setting above the packing layer can effectively improve ground.
The utility model is further arranged in that the width of the structural seam is 25mm-35 mm.
By adopting the technical scheme, when the width of the structural joint is 25-35 mm, the construction is convenient, the load on the ground can be effectively blocked and transmitted to the ground beam, the stability of the foundation is ensured, and the phenomenon of large-area cracking of the backfill layer is prevented.
The utility model is further arranged in that the width of the structural seam is 30 mm.
Through adopting above-mentioned technical scheme, when the width of structural joint was 30mm, effectively block on the subaerial load of conveying and on the grade beam, also make things convenient for the staff to be under construction simultaneously.
The utility model discloses further set up to, be provided with a plurality of reinforcement reinforcing bars in the concrete slab layer, a plurality of reinforcement reinforcing bars distribute into two rows on the horizontal direction to the interval evenly sets up.
Through adopting above-mentioned technical scheme, the intensity on concrete slab layer is improved to the intraformational reinforcing bar of concrete slab, when preventing subaerial load too big, the phenomenon of rupture appears in concrete slab layer.
The utility model discloses it is further set up as, adjacent distance between the reinforcement reinforcing bar is 200 mm.
Through adopting above-mentioned technical scheme, when reinforcing the distance between the muscle for 200mm, both save material, can also effectively improve the intensity of concrete slab layer simultaneously, avoid the fracture phenomenon of large tracts of land appearance on ground.
The utility model discloses further set up as, the vertical retaining wall of top fixedly connected with of grade beam, supreme backfill layer and the concrete slab layer of passing in proper order are down followed to the top of retaining wall.
Through adopting above-mentioned technical scheme, the setting of retaining wall on the grade beam has certain bearing capacity to the extrusion force on the backfill layer, plays the effect of dispersion backfill intraformational load for the backfill layer atress is even, can evenly subside, effectively prevents the fracture phenomenon of large tracts of land from appearing in the ground.
The utility model discloses further set up as, a plurality of inside of lateral wall fixedly connected with of retaining wall are hollow structure's reinforcing block, leave the distance between the reinforcing block, and the one end that the retaining wall was kept away from to the reinforcing block inserts in situ that packs.
Through adopting above-mentioned technical scheme, hollow reinforcement piece on the retaining wall lateral wall can weaken the ascending load in vertical side, reduces the load that arrives on the grade beam, guarantees the stability of ground, and after the load on the ground is weakened for whole ground can evenly subside, effectively prevents that the inside atress is uneven and the phenomenon of uneven settlement appears often, thereby avoids the large tracts of land fracture phenomenon that ground appears.
The utility model discloses further set up to, retaining wall interpolation is equipped with vertical reinforcing bar and horizontal reinforcement, and vertical reinforcing bar is provided with a set ofly, and the distance between the adjacent vertical reinforcing bar is 150mm, and the horizontal reinforcement setting is between vertical reinforcing bar, and the horizontal reinforcement is provided with four, and four horizontal reinforcement bisymmetry settings.
Through adopting above-mentioned technical scheme, the vertical load and the lateral pressure of retaining wall can be shared in the setting of vertical reinforcing bar and horizontal reinforcing bar, guarantee the stability of retaining wall, still effectively prevent the in-process fracture phenomenon that the retaining wall used simultaneously to effectively prevent to backfill the aspect and appear the fracture phenomenon of large tracts of land.
The utility model discloses further set up as, inside the ground roof beam was inserted to the bottom of vertical reinforcing bar.
Through adopting above-mentioned technical scheme, the bottom of vertical reinforcing bar inserts the inside back of grade beam, improves the connection stability of retaining wall and grade beam, effectively prevents to appear the phenomenon of rupture between retaining wall and the grade beam, improves the ground bearing capacity.
To sum up, the utility model discloses following beneficial effect has:
1. due to the arrangement of the structural joints, the load on the backfill layer can be blocked, the load can be effectively prevented from being transmitted to the ground beam, and the load in the horizontal direction in the concrete slab layer can be weakened, so that the whole ground can be uniformly settled, and the large-area cracking phenomenon of the backfill layer can be effectively avoided;
2. the setting of reinforcing block on the retaining wall further weakens the load of transmitting downwards, and when reinforcing block was hollow simultaneously, the load of transmitting on the reinforcing block can further be blocked to reduce the downward transmission of load, improve the stability of ground, make whole ground can evenly subside, avoid ground large tracts of land crack to appear.
Drawings
Fig. 1 is a schematic sectional structure of the present invention;
in the figure, 1, foundation; 2. a filler layer; 3. a concrete slab layer; 31. structural sewing; 32. reinforcing steel bars; 4. a backfill layer; 5. a ground beam; 6. a retaining wall; 61. a reinforcing block; 62. vertical reinforcing steel bars; 63. and (7) horizontal reinforcing steel bars.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model provides a first floor ground prevents sinking fracture structure, as shown in figure 1, from supreme foundation 1, packing layer 2, concrete slab layer 3 and the backfill layer 4 of including in proper order down, is provided with vertical grade beam 5 between foundation 1 and packing layer 2, and in 5 one ends of grade beam inserted packing layer 2, one end inserted in foundation 1.
A structural seam 31 with the width of 25mm-35mm is formed in the concrete slab 3, the width of the structural seam 31 is preferably 30mm, and the projection of the structural seam 31 in the vertical direction is superposed with the cross section of the ground beam 5. Be provided with a plurality of reinforcing bars 32 in concrete slab 3, a plurality of reinforcing bars 32 are two rows of distributions, and on the horizontal direction, the distance between two adjacent reinforcing bars 32 is 200 mm. The thickness of the filler layer 2 is 150mm, the thickness of the concrete slab layer 3 is 120mm, and the thickness of the backfill layer 4 is 50 mm.
The setting of structure seam 31 avoids load to transmit 5 departments of grade beam, guarantees the stability of grade beam 5 and ground 1, can also make backfill layer 4 can evenly subside simultaneously, prevents that the fracture phenomenon of large tracts of land from appearing in backfill layer 4.
As shown in fig. 1, fixedly connected with vertical retaining wall 6 on grade beam 5, the top of retaining wall 6 passes packing layer 2 and concrete slab layer 3 in proper order to the below of top backfill layer 4, and in the vertical direction, retaining wall 6 is located one side of structure seam 31, the interpolation of retaining wall 6 is equipped with vertical reinforcing bar 62 and horizontal reinforcement 63, vertical reinforcing bar 62 is provided with two, the top of two vertical reinforcing bars 62 flushes with the top of retaining wall 6, inside its bottom inserted grade beam 5, the distance between two vertical reinforcing bars 62 is 150 mm. Horizontal reinforcing bar 63 sets up between two vertical reinforcing bars 62, and horizontal reinforcing bar 63 sets up at retaining wall 6 length direction's intermediate position, and horizontal reinforcing bar 63 is provided with four, and four two bisymmetry settings of horizontal reinforcing bar 63 are two rows, and two ascending distances of reinforcing bar in vertical direction are 200 mm.
A plurality of inside reinforcing blocks 61 that are hollow structure are fixedly connected with on 6 lateral walls of retaining wall, and a plurality of reinforcing blocks 61 intervals evenly set up, and the one end that a plurality of reinforcing blocks 61 keep away from 6 lateral walls of retaining wall inserts in the packing layer 2.
Inside vertical reinforcing bar 62 and the horizontal reinforcing bar 63 of retaining wall 6, share partial vertical load on backfill layer 4 and the inside partial horizontal load of backfill layer 4, improve the bearing capacity of retaining wall 6, horizontal reinforcing bar 63 sets up when the intermediate position of retaining wall 6 simultaneously, effectively prevent to make retaining wall 6 appear the fracture in the intermediate position under the effect of inside extrusion force, improve the bearing capacity of retaining wall 6, hollow reinforcing block 61 simultaneously, can effectively weaken the ascending load of horizontal direction and the ascending load of vertical direction, reduce the bearing capacity of ground 1, make ground 1 can evenly subside, thereby effectively avoid backfill layer 4 to appear a large amount of cracks.
The application process of this embodiment is as follows:
the method comprises the steps of partially burying a ground beam 5 into a foundation 1, tamping the foundation 1, inserting vertical steel bars 62 into the top end of the ground beam 5, fixing horizontal steel bars 63 and the vertical steel bars 62, then pouring a retaining wall 6, fixing reinforcing blocks 61 and the retaining wall 6, then paving a packing layer 2 on the foundation 1, compacting the packing layer 2, then pouring a concrete slab layer 3 above the packing layer 2, reserving a structural joint 31, paving a backfill layer 4 above the concrete slab layer 3, and compacting the backfill layer 4.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a cracking structure that sinks is prevented on first floor ground which characterized in that: the concrete foundation comprises a foundation (1), wherein a packing layer (2) is arranged on the foundation (1), a concrete slab layer (3) is arranged on the packing layer (2), and a backfill layer (4) is arranged on the concrete slab layer (3); a vertical ground beam (5) is inserted between the foundation (1) and the packing layer (2), one end of the ground beam (5) is inserted into the foundation (1), and the other end of the ground beam extends into the packing layer (2); a structure seam (31) is arranged on the adjacent concrete slab layer (3), and the projection of the structure seam (31) is superposed with the cross section of the ground beam (5).
2. The primary floor subsidence cracking prevention structure of claim 1, wherein: the width of the structural seam (31) is 25mm-35 mm.
3. The primary floor subsidence cracking prevention structure of claim 2, wherein: the width of the structural seam (31) is 30 mm.
4. The primary floor subsidence cracking prevention structure of claim 1, wherein: a plurality of reinforcing steel bars (32) are arranged in the concrete slab layer (3), and the reinforcing steel bars (32) are distributed into two rows in the horizontal direction and are uniformly arranged at intervals.
5. The primary floor subsidence cracking prevention structure of claim 4, wherein: the distance between adjacent reinforcing steel bars is 200 mm.
6. The primary floor subsidence cracking prevention structure of claim 1, wherein: the top fixedly connected with vertical retaining wall (6) of grade beam (5), supreme backfill layer (4) and concrete slab layer (3) are passed in proper order down from the top of retaining wall (6).
7. The primary floor subsidence cracking prevention structure of claim 6, wherein: the side wall fixedly connected with of retaining wall (6) is a plurality of inside reinforcing blocks (61) that are hollow structure, leaves the distance between reinforcing block (61), and the one end that reinforcing block (61) kept away from retaining wall (6) inserts in packing layer (2).
8. The primary floor subsidence cracking prevention structure of claim 6, wherein: vertical reinforcing bar (62) and horizontal reinforcing bar (63) are equipped with in retaining wall (6) interpolation, and vertical reinforcing bar (62) are provided with a set of, and the distance between adjacent vertical reinforcing bar (62) is 150mm, and horizontal reinforcing bar (63) set up between vertical reinforcing bar (62), and horizontal reinforcing bar (63) are provided with four, and four horizontal reinforcing bar (63) bisymmetry settings.
9. The primary floor subsidence cracking prevention structure of claim 8, wherein: the bottom end of the vertical steel bar (62) is inserted into the ground beam (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921128921.0U CN210439627U (en) | 2019-07-18 | 2019-07-18 | Sinking-proof cracking structure for first floor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921128921.0U CN210439627U (en) | 2019-07-18 | 2019-07-18 | Sinking-proof cracking structure for first floor |
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| CN210439627U true CN210439627U (en) | 2020-05-01 |
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| CN201921128921.0U Active CN210439627U (en) | 2019-07-18 | 2019-07-18 | Sinking-proof cracking structure for first floor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112502181A (en) * | 2020-12-10 | 2021-03-16 | 温州凯权建筑工程有限公司 | Foundation structure with balanced settlement function and construction method thereof |
| CN114232587A (en) * | 2021-12-10 | 2022-03-25 | 中国一冶集团有限公司 | Construction method for preventing settlement and cracking of large-area ground |
-
2019
- 2019-07-18 CN CN201921128921.0U patent/CN210439627U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112502181A (en) * | 2020-12-10 | 2021-03-16 | 温州凯权建筑工程有限公司 | Foundation structure with balanced settlement function and construction method thereof |
| CN114232587A (en) * | 2021-12-10 | 2022-03-25 | 中国一冶集团有限公司 | Construction method for preventing settlement and cracking of large-area ground |
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