CN214696840U

CN214696840U - Template system for foundation pit construction

Info

Publication number: CN214696840U
Application number: CN202120052526.XU
Authority: CN
Inventors: 赵伟; 蒋有胜; 张亮; 李迪安
Original assignee: First Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Current assignee: First Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2021-11-12
Anticipated expiration: 2031-01-11

Abstract

The utility model provides a template system for foundation ditch construction belongs to construction technical field, has effectively solved template pressurized deformation and has influenced shaping effect and the hole appears easily at the bottom of the hole and has left the hidden danger scheduling problem that seeps water. This technical scheme includes foundation ditch template, and even between template and the foundation ditch is provided with a plurality of drawbars, and the template is inside even to be provided with a plurality of horizontal support poles, and the template bottom is provided with exhaust observation hole and hole of vibrating. The utility model has the advantages that: the template system for foundation pit construction can effectively avoid the floating of the template and the occurrence of the cavity condition at the bottom of a pouring pit body.

Description

Template system for foundation pit construction

Technical Field

The utility model relates to a construction technical field especially relates to a template system for foundation ditch construction.

Background

At present in building engineering, the foundation pit such as sump pit or elevartor shaft uses ordinary template system usually because the pressure of concreting very easily causes the condition such as mould that rises, deformation, the whole come-up of template, leads to the later stage to chisel to remove, and cost of maintenance is higher, and the foundation pit bottom also often causes the cavity direct influence to bury down the infiltration hidden danger because the bubble appears in the unemplified messenger bottom of vibrating in addition, and the reworking is rectified and is changed the process and difficultly influence the construction progress by a long time.

Therefore, how to solve the above technical problems becomes a problem faced by the present invention.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a can effectively avoid the template come-up and pour the hole body bottom and appear the template system for foundation ditch construction of the cavity condition.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a template system for foundation pit construction, which comprises a foundation pit template, wherein a plurality of tie rods are uniformly arranged between the template and a foundation pit, and a plurality of horizontal support rods are uniformly arranged inside the template;

and the bottom of the template is provided with an exhaust observation hole and a vibration hole.

The template comprises a rectangular bottom die, and a vertical upward side die is fixedly connected to the top surface of the outer edge of the periphery of the bottom die;

the inner walls of the templates are provided with battens attached to the templates;

the drawknot rod comprises a water stop screw rod, one end of the water stop screw rod is fixedly connected to the inner side of the template, the other end of the water stop screw rod is located between the template and the foundation pit, the water stop screw rod is far away from one end of the template fixedly connected with drawknot reinforcing steel bars, the drawknot reinforcing steel bars are far away from one end of the water stop screw rod is fixedly connected to a reinforcing steel bar frame in the foundation pit.

A plurality of support rods are uniformly and fixedly connected between the opposite side molds;

each support rod comprises a straight pipe and adjustable jacking supports arranged at two ends of the straight pipe.

The central part of the bottom die is provided with the exhaust observation hole which penetrates through the bottom die and the batten at the corresponding position, and the bottom die is provided with the through vibration holes close to four corners respectively;

the steel wire mesh is arranged on the side hole surface at the bottom of the exhaust observation hole, and the edges around the steel wire mesh are fixedly connected to the bottom of the bottom die.

The periphery of the steel wire mesh is close to and fixedly connected with a plastic steel packing belt pressing strip, and the plastic steel packing belt pressing strip is fixedly connected with the bottom die through a pin.

The exhaust observation hole is provided with a specification of 300mm x 300mm, and the vibrating hole is provided with a specification of 100mm x 100 mm.

The template is a wood plywood.

The utility model discloses during the in-service use: after foundation pit reinforcing steel bars such as a water collecting well or an elevator shaft are bound, tie reinforcing steel bars and water stop screws are welded, after a foundation pit template is manufactured, an exhaust observation hole with the size of 300mm x 300mm is formed in the center of a bottom die, four vibrating holes with the size of 100mm x 100mm are formed in the positions, close to four corners, of the bottom die, a steel wire mesh is installed at the exhaust observation hole of the bottom die, a plastic steel packing belt is used for layering and fixing, then the template is integrally hoisted into the foundation pit, the water stop screws, support rods and a wooden side are used for reinforcement, the exhaust observation hole needs to be focused all the time in the concrete pouring process, a vibrating rod is inserted into the vibrating holes, concrete is vibrated constantly, once the concrete appears at the position of the steel wire mesh and the steel wire mesh tends to be jacked upwards, the pouring is stopped, and the pouring is continued after the concrete is slightly solidified.

The utility model has the advantages that:

1. the template system can effectively observe the pouring degree of concrete and control the buoyancy borne by the template in the concrete pouring process, so that the template is prevented from deforming to influence the pouring quality;

2. the vibration is carried out from the bottoms of the four corners where the cavities are easy to appear, so that the cavities at the bottom of the foundation pit can be effectively prevented, the water seepage situation is reduced, and the later maintenance cost is reduced;

3. the template system only makes local changes on the original basis to achieve a good use effect, and is stable and firm in structure, simple and rapid in manufacturing process and low in manufacturing cost.

Drawings

Fig. 1 is a schematic sectional view of the present invention.

Fig. 2 is a schematic view of the bottom die structure of the present invention.

Fig. 3 is a schematic view of the exhaust observation hole structure of the present invention.

Fig. 4 is the utility model discloses side form reinforced structure sketch map.

Wherein the reference numerals are: 1. a template; 101. bottom die; 102. side mould; 2. a foundation pit; 3. a tie bar; 301. a water stop screw rod; 302. tying the reinforcing steel bars; 4. A support bar; 401. a straight pipe; 402. the adjustable jacking is carried out; 5. an exhaust observation hole; 6. vibrating the hole; 7. wood block; 8. a reinforcing steel bar frame; 9. steel wire mesh; 10. a plastic steel packing belt batten.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

Referring to fig. 1 to 4, the utility model relates to a template system for foundation ditch construction, including foundation ditch template 1, evenly between template 1 and the foundation ditch 2 be provided with a plurality of drawbars 3, template 1 is inside even to be provided with a plurality of horizontal support rods 4, and template 1 bottom is provided with exhaust observation hole 5 and the hole of vibrating 6.

The template 1 is a wood veneer. Template 1 includes rectangle die block 101, along die block 101 all around along top surface fixedly connected with vertical ascending side form 102, the inner wall of template 1 all is provided with flitch 7 rather than the laminating, drawknot pole 3 includes stagnant water screw rod 301, stagnant water screw rod 301 one end fixed connection is inboard in template 1, the other end is located between template 1 and the foundation ditch 2, stagnant water screw rod 301 keeps away from the one end fixedly connected with drawknot reinforcing bar 302 of template 1, one end fixed connection that stagnant water screw rod 301 was kept away from to drawknot reinforcing bar 302 is in reinforcing bar frame 8 in foundation ditch 2. A plurality of support rods 4 are uniformly and fixedly connected between the opposite side molds 102, and each support rod 4 comprises a straight pipe 401 and adjustable jacking brackets 402 arranged at two ends of the straight pipe 401. The central part of the bottom die 101 is provided with an exhaust observation hole 5 penetrating through the bottom die 101 and the battens 7 at the corresponding position, the bottom die 101 is provided with through vibration holes 6 near four corners respectively, the opening specification of the exhaust observation hole 5 is 300mm x 300mm, and the opening specification of the vibration hole 6 is 100mm x 100 mm. The bottom side hole surface of the exhaust observation hole 5 is provided with a steel wire mesh 9, and the edges of the periphery of the steel wire mesh 9 are fixedly connected to the bottom of the bottom die 101. The periphery of the steel wire mesh 9 is close to and fixedly connected with a plastic steel packing belt pressing strip 10, and the plastic steel packing belt pressing strip 10 is fixedly connected with the bottom die 101 through a pin.

In actual use: after the binding of the reinforcement of the foundation pit 2 such as a water collecting well or an elevator shaft is finished, the tie reinforcement 302 and the water stop screw 301 are welded, after the foundation pit template 1 is manufactured, the exhaust observation hole 5 with the diameter of 300mm is formed in the center of the bottom die 101, the four vibrating holes 7 with the diameter of 100mm is formed in the positions, close to the four corners, of the bottom die 1, the steel wire mesh 9 is installed at the exhaust observation hole 5 of the bottom die 101 and is fixed through the plastic steel packing belt pressing strip 10, then the template 1 is integrally hoisted into the foundation pit, the water stop screw 301, the support rod 4 and the wood direction 7 are adopted for reinforcement treatment, the exhaust observation hole 5 needs to be paid attention to constantly in the concrete pouring process, the vibrating rod is inserted into the vibrating hole 6, the concrete is not vibrated constantly, once the concrete appears at the position of the steel wire mesh 9 and the steel wire mesh 9 tends to be upwards jacked, the pouring is stopped, and the pouring is continued after the concrete is slightly solidified.

The technical features that the utility model has not been described can be realized through or adopt prior art, and no longer give unnecessary details here, and of course, the above-mentioned explanation is not right the utility model discloses a restriction, the utility model discloses also not only be limited to the above-mentioned example, ordinary skilled person in this technical field is in the utility model discloses a change, modification, interpolation or replacement made in the essential scope also should belong to the utility model discloses a protection scope.

Claims

1. The template system for foundation pit construction is characterized by comprising a foundation pit template (1), wherein a plurality of tie rods (3) are uniformly arranged between the template (1) and a foundation pit (2), and a plurality of horizontal support rods (4) are uniformly arranged in the template (1);

the bottom of the template (1) is provided with an exhaust observation hole (5) and a vibrating hole (6).

2. The template system for foundation pit construction according to claim 1, wherein the template (1) comprises a rectangular bottom template (101), and a vertical upward side template (102) is fixedly connected to the top surface of the periphery and the outer edge of the bottom template (101);

battens (7) attached to the inner walls of the templates (1) are arranged on the inner walls of the templates;

drawknot rod (3) are including stagnant water screw rod (301), stagnant water screw rod (301) one end fixed connection in template (1) is inboard, and the other end is located template (1) with between foundation ditch (2), stagnant water screw rod (301) are kept away from the one end fixedly connected with drawknot reinforcing bar (302) of template (1), drawknot reinforcing bar (302) are kept away from the one end fixed connection of stagnant water screw rod (301) in reinforcing bar frame (8) in foundation ditch (2).

3. The formwork system for foundation pit construction according to claim 2, wherein a plurality of support rods (4) are uniformly and fixedly connected between the opposite side molds (102);

each support rod (4) comprises a straight pipe (401) and adjustable jacking supports (402) arranged at two ends of the straight pipe (401).

4. The formwork system for foundation pit construction according to claim 2, wherein the central portion of the bottom formwork (101) is provided with the exhaust observation hole (5) penetrating through the bottom formwork (101) and the battens (7) at the corresponding position, and the bottom formwork (101) is provided with the through vibration holes (6) near four corners respectively;

a steel wire mesh (9) is arranged on the bottom side hole surface of the exhaust observation hole (5), and the edges of the periphery of the steel wire mesh (9) are fixedly connected to the bottom of the bottom die (101).

5. The template system for foundation pit construction according to claim 4, wherein a plastic steel packing belt pressing strip (10) is fixedly connected to the periphery of the steel wire mesh (9) in a close manner, and the plastic steel packing belt pressing strip (10) is fixedly connected with the bottom die (101) through a pin.

6. The formwork system for foundation pit construction according to claim 4, wherein the exhaust observation hole (5) is provided with a specification of 300mm x 300mm, and the vibrating hole (6) is provided with a specification of 100mm x 100 mm.

7. The formwork system for foundation pit construction according to claim 1, wherein the formwork (1) is wood plywood.