CN213682184U - Bolted precast concrete hollow slab bearing platform template - Google Patents
Bolted precast concrete hollow slab bearing platform template Download PDFInfo
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- CN213682184U CN213682184U CN202022445121.0U CN202022445121U CN213682184U CN 213682184 U CN213682184 U CN 213682184U CN 202022445121 U CN202022445121 U CN 202022445121U CN 213682184 U CN213682184 U CN 213682184U
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- hollow slab
- concrete hollow
- angle steel
- side plate
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Abstract
A precast concrete hollow slab cushion cap template connected by bolts is placed on a cushion layer, the cross section of the template is rectangular or polygonal, the plate surface of each side plate abuts against the end surface of the left side plate, the end surface abuts against the plate surface of the right side plate, internal corner angle steel is arranged at the internal corner of the abutting position, external corner angle steel is arranged at the external corner, opposite flange plates of the internal corner angle steel and the external corner angle steel are fixed by bolts, and limiting round steel is arranged on the cushion layer and on the outer side of each side plate; the concrete hollow slab is arranged according to the height of the bearing platform, the top surface and the bottom surface of each adjacent concrete hollow slab are respectively provided with a protruding strip and a groove strip which are arranged along the through length, the upper and lower adjacent protruding strips and the groove strips are in mortise and tenon connection, and the bottom surface of the first-layer concrete hollow slab is a plane which is directly abutted against the cushion layer. The utility model discloses break traditional cement prefabricated plate's welding installation mode, utilize angle steel and bolt to control adjacent hollow concrete slab concatenation together, increase the stability of tie point, shorten construction period simultaneously, practice thrift engineering cost.
Description
Technical Field
The utility model relates to a construction field specifically belongs to a bolted connection's hollow slab cushion cap template.
Background
The geological conditions of the soft soil area are poor, and the soil layer of the soft soil area is soft plastic or flow plastic, so that a pile foundation is required to be adopted to increase the bearing capacity of the foundation during construction. The form of the foundation is that the bearing platform and the bottom plate mostly adopt the high plate position form of the beam-slab raft foundation so as to ensure the molding of the bearing platform, the bearing platform beam and the ground beam. In order to accelerate the construction progress, the formwork construction method of the basic prefabricated slab is generally adopted, and the form that the traditional brick forming die is replaced by assembling and forming the cement prefabricated slab into the die is a form.
The existing construction method has the following defects: the existing construction method for supporting the basic prefabricated slab is a form of assembling cement prefabricated slabs into a mould to replace the traditional brick mould. The cement precast slabs select a reasonable specification according to various sizes of bearing platforms of construction drawings, and a formwork system is formed by mutually welding outer-coated angle irons of the precast slabs. In summary, the conventional method for installing and fixing the basic prefabricated slab formwork mainly has the following defects:
1. the cost of angle iron wrapped outside the precast slab is high;
2. the welding quality is difficult to guarantee, and the risk of deformation or collapse exists when the soil pressure is great.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bolt-connected precast concrete hollow slab bearing platform template, which aims to solve the technical problem of poor stability in the prior art; and solves the problem of poor versatility.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a bolted connection's hollow slab cushion cap template of precast concrete, places and on the bed course, its characterized in that: the cross section of the template is rectangular or polygonal, the plate surface of each side plate abuts against the end surface of the left side plate, the end surface abuts against the plate surface of the right side plate, the internal corner of the abutting part is provided with an internal corner angle steel, the external corner is provided with an external corner angle steel, the opposite flange plates of the internal corner angle steel and the external corner angle steel are fixed by bolts, and the outer side of each side plate and the cushion layer are provided with limiting round steel bars; each side plate comprises at least one layer of concrete hollow plate, the top surface and the bottom surface of the concrete hollow plate are respectively provided with a protruding strip and a groove strip which are arranged along the length of the concrete hollow plate, the top surface and the bottom surface of the concrete hollow plate are vertically adjacent to each other, the protruding strip and the groove strip are in mortise and tenon connection, and the bottom surface of the concrete hollow plate is a plane which is directly abutted to the cushion layer.
Further preferably, the horizontal parallel of the inside of the hollow slab of concrete is equipped with the hollow post of a plurality of layers, hollow post length with hollow slab length is the same, and the hollow slab both sides terminal surface of concrete is for being perpendicular or acutangular angle and obtuse angle contained angle setting with the face.
Furthermore, the end parts of two sides of the concrete hollow slab are provided with bolt through holes.
Further, the cross sections of the protruding strips and the groove strips are semicircular.
Further, the included angle of the internal corner angle steel and the included angle of the external corner angle steel are both obtuse angles.
In addition, the included angle of the internal angle steel and the included angle of the external angle steel are acute angles.
More preferably, the size of the single concrete hollow plate is 2400 x 600 x 90 mm-6000 x 1200 x 180 mm.
Compared with the prior art the utility model has the following characteristics and beneficial effect:
the utility model discloses strip and recess strip of bursting, a be used for the connection of two adjacent hollow slabs of concrete, hollow slab of concrete and angle steel use the bolt erection fixation together, form wholly, prolong the prefabricated template outside of installation completion on the bed course and implant spacing round steel, it prevents horizontal displacement to fix, break the welding mounting means of traditional cement prefabricated plate, utilize the angle steel and bolt about adjacent hollow slab concatenation of concrete together, the stability of tie point is increased, shorten construction period simultaneously, reduce the cost of labor, economic benefits is improved, there is fine popularization and practical value, can produce good economic benefits after extensive popularization and application.
Drawings
FIG. 1 is a schematic structural view of a bolted precast concrete hollow slab cap formwork;
fig. 2 is a schematic structural view of the concrete hollow slab according to the present invention.
Reference numerals: 1-cushion layer; 2-concrete hollow slab; 3-protruding strips; 4-groove strips; 5-internal angle steel; 6-external angle steel; 7-bolt perforation; 8-hollow column; 9-bolt; 10-limiting round steel.
Detailed Description
In order to make the technical means, innovative features, objectives and functions realized by the present invention easy to understand, the present invention will be further described below.
The embodiments described herein are specific embodiments of the present invention, and are intended to be illustrative of the concepts of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the embodiments of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein. A precast concrete hollow slab cushion cap template connected by bolts is placed on a cushion layer 1, as shown in figure 1, the cross section of the template is rectangular or polygonal, the plate surface of each side plate abuts against the end surface of the left side plate, the end surface abuts against the plate surface of the right side plate, an internal corner angle steel 5 is arranged at the internal corner of the abutting part, an external corner angle steel 6 is arranged at the external corner, opposite flange plates of the internal corner angle steel 5 and the external corner angle steel 6 are fixed by bolts 9, the bolts are 12mm and 120 in length, for the subsequent paving of a waterproof layer at the inner side of the template, the smaller the nut of the bolt 9 is under the condition of meeting the construction requirement, the better the bolt is, the type of the bolt is preferably A2-70, and the size of the bolt can be adjusted according to the size of the cushion; after the bolt is installed, cement mortar is used at the position of the internal corner angle steel 5 to form an R corner, the cement mortar covers the angle steel and the nut, a bedding is laid for subsequent waterproof coiled materials, limiting round steel 10 is arranged on the outer side of each side plate and on the bedding layer 1, the diameter of each limiting round steel 10 is 10mm, and the length of each limiting round steel is 120 mm; every curb plate all includes the hollow slab 2 of at least one deck concrete, from top to bottom, specifically highly sets up according to the high needs of cushion cap, and adjacent hollow slab 2 top surfaces and bottom surface are equipped with respectively along the protruding strip 3 and the recess strip 4 that lead to the length setting, and adjacent protruding strip 3 and the 4 mortise-tenon joints of recess strip about, and 2 bottom surfaces of the hollow slab of first layer concrete are the plane of direct butt on bed course 1.
As shown in fig. 2, a plurality of layers of hollow columns 8 are horizontally arranged in parallel in the concrete hollow slab 2, the length of each hollow column is the same as that of the concrete hollow slab 2, and the size of each single concrete hollow slab 2 is 2400 x 600 x 90 mm-6000 x 1200 x 180 mm.
The end surfaces of two sides of the concrete hollow slab 2 are perpendicular to the slab surface or arranged in acute angles and obtuse angles, bolt through holes 7 are formed in the end portions of two sides of the concrete hollow slab 2, the cross sections of the protruding strips 3 and the groove strips 4 are semi-circular, the included angles of the internal corner angle steel 5 and the external corner angle steel 6 are obtuse angles, the cross section of the formwork is pentagonal or hexagonal, the included angles of the internal corner angle steel 5 and the included angles of the external corner angle steel 6 are acute angles, and the cross section of the formwork is rectangular.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a bolted connection's hollow slab cushion cap template, places and on bed course (1), its characterized in that: the section of the template is rectangular or polygonal, the plate surface of each side plate abuts against the end surface of the left side plate, the end surface abuts against the plate surface of the right side plate, internal corner angle steel (5) is arranged at the internal corner of the abutting part, external corner angle steel (6) is arranged at the external corner, opposite flange plates of the internal corner angle steel (5) and the external corner angle steel (6) are fixed through bolts (9), and limiting round steel (10) is arranged on the outer side of each side plate and the cushion layer (1); every curb plate all includes at least one layer of hollow slab of concrete (2), and is adjacent from top to bottom hollow slab of concrete (2) top surface and bottom surface are equipped with respectively along through protruding strip (3) and recess strip (4) that the length set up, and are adjacent from top to bottom protruding strip (3) and recess strip (4) mortise-tenon joint, the first layer hollow slab of concrete (2) bottom surface is the plane of direct butt on bed course (1).
2. The bolted precast concrete hollow slab cap formwork of claim 1, wherein: the concrete hollow slab (2) is inside horizontal parallel to be equipped with a plurality of layers of hollow post (8), hollow post length with concrete hollow slab (2) length is the same, and concrete hollow slab (2) both sides terminal surface is perpendicular or acute angle and obtuse angle contained angle setting with the face.
3. The bolted precast concrete hollow slab cap formwork of claim 1, wherein: the concrete hollow slab (2) is characterized in that bolt through holes (7) are formed in the end portions of the two sides of the concrete hollow slab.
4. The bolted precast concrete hollow slab cap formwork of claim 1, wherein: the cross sections of the protruding strips (3) and the groove strips (4) are semicircular.
5. The bolted precast concrete hollow slab cap formwork of claim 1, wherein: the included angle of the internal angle steel (5) and the included angle of the external angle steel (6) are obtuse angles.
6. The bolted precast concrete hollow slab cap formwork of claim 1, wherein: the included angle of the internal angle steel (5) and the included angle of the external angle steel (6) are acute angles.
7. The bolted precast concrete hollow slab bearing platform formwork of any one of claims 1 to 6, wherein: the size of the single concrete hollow slab (2) is 2400 x 600 x 90 mm-6000 x 1200 x 180 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022445121.0U CN213682184U (en) | 2020-10-29 | 2020-10-29 | Bolted precast concrete hollow slab bearing platform template |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022445121.0U CN213682184U (en) | 2020-10-29 | 2020-10-29 | Bolted precast concrete hollow slab bearing platform template |
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| CN213682184U true CN213682184U (en) | 2021-07-13 |
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| CN202022445121.0U Active CN213682184U (en) | 2020-10-29 | 2020-10-29 | Bolted precast concrete hollow slab bearing platform template |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960717A (en) * | 2022-06-13 | 2022-08-30 | 广东省源天工程有限公司 | Construction hollow slab moulding bed and mounting method thereof |
-
2020
- 2020-10-29 CN CN202022445121.0U patent/CN213682184U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960717A (en) * | 2022-06-13 | 2022-08-30 | 广东省源天工程有限公司 | Construction hollow slab moulding bed and mounting method thereof |
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