CN211174143U - Simple clamp for longitudinal water stop belt of tunnel - Google Patents
Simple clamp for longitudinal water stop belt of tunnel Download PDFInfo
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- CN211174143U CN211174143U CN201922273420.8U CN201922273420U CN211174143U CN 211174143 U CN211174143 U CN 211174143U CN 201922273420 U CN201922273420 U CN 201922273420U CN 211174143 U CN211174143 U CN 211174143U
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Abstract
The utility model discloses a simple and easy anchor clamps of tunnel longitudinal water stop, the simple and easy anchor clamps location construction method of tunnel longitudinal water stop utilizes L63 × 6mm angle steel that has stronger anti deformability as rubber water stop presss from both sides the mouth, constitute anchor clamps with the splint, the steel round pin, fastening bolt jointly, realize the clamping function of centering buried water stop, measure the pre-buried position of rubber water stop during construction, connect and spot welding fixes anchor clamps at low wall form top surface with the reinforcing bar for the anchor clamps, the pre-buried planar position of rubber water stop has been guaranteed, the accuracy and the vertical degree of buried depth, improve the installation quality, avoided the waterstop to appear the position incline, the distortion scheduling problem.
Description
Technical Field
The utility model relates to a tunnel construction related field, particularly a simple and easy anchor clamps of vertical waterstop in tunnel.
Background
With the rapid development of the national traffic infrastructure construction, the highway road network construction in our province has already been extended from plain to mountainous area, and the proportion of tunnel engineering, an important structure for constructing the highway in the mountainous area, is larger and larger in the route. Through the continuous accumulation of construction experience, tunnel engineering construction has entered into fine management, has also proposed higher requirement to tunnel construction quality to reinforcing operation safety. In order to ensure that the tunnel engineering cannot cause diseases due to water leakage and water accumulation, influence the use function of the tunnel engineering and reduce the service life of the structure, waterproof materials such as a middle-buried water stop, a back-attached water stop and the like made of rubber are arranged at the positions of an inverted arch, a circumferential construction joint, a longitudinal joint and the like of a lining besides a waterproof plate attached to the back of a secondary lining during design construction, however, the construction quality of the rubber water stop is often overlooked easily during tunnel construction, and the adverse effect is generated on the play of the water stop function of the rubber water stop.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above-mentioned deficiencies, the utility model provides a simple clamp for a longitudinal water stop strip of a tunnel; the longitudinal middle-buried rubber waterstop arranged at the joint of the two linings and the short side wall is positioned by a self-made simple clamp, the installation is simple, convenient and quick by depending on the clamp of the short side wall template and the waterstop, and the accurate positioning of the waterstop in concrete is ensured.
The utility model discloses a realize like this, construct a simple and easy anchor clamps of vertical waterstop in tunnel, its characterized in that: the simple clamp uses 2 pieces of angle steel as rubber waterstop clamping openings, steel clamping plates are welded on the inner sides of vertical surfaces of the angle steel along the length direction, hinge hinges are welded on the top edges of the steel clamping plates, screw holes are drilled in the waist of the simple clamp and are adjusted by M27 bolts, and therefore the simple clamp is formed. After the position of the clamp is determined, the clamp is welded and fixed on the top surface of the short side wall template by using phi 22mm deformed steel bars.
The simple clamp for the longitudinal water stop belt of the tunnel is characterized in that the angle steel is L63 × 6mm, and a steel clamping plate with the height of 300mm, the width of 60mm and the thickness of 10mm is welded at the interval of 2.0m along the length direction on the inner side of the vertical surface of the angle steel.
According to the utility model discloses a simple and easy anchor clamps of vertical waterstop in tunnel, its characterized in that: hinge hinges with the diameter of a hinge pin being phi 8mm are welded at the top edge of the steel clamping plate, 1 phi 30mm screw hole is drilled in the waist part and is adjusted by an M27 bolt, and the position of the bolt is higher than the top end of the installed water stop.
According to the utility model discloses a simple and easy anchor clamps of vertical waterstop in tunnel, its characterized in that: after the position of the clamp is determined, the clamp is welded and fixed on the top surface of the short side wall template by using phi 22mm deformed steel bars.
The utility model has the advantages of the utility model provides a simple and easy anchor clamps of tunnel longitudinal water stop, the simple and easy anchor clamps location construction method of tunnel longitudinal water stop utilizes the L63 × 6mm angle steel that has stronger anti deformability as rubber water stop presss from both sides the mouth, constitute anchor clamps with the splint, the steel round pin, fastening bolt jointly, realize the clamping function to the buried type waterstop of centering, measure rubber water stop pre-buried position during the construction, connect and spot welding fix the anchor clamps with the reinforcing bar on short-limit wall form top surface, rubber water stop pre-buried plane position has been guaranteed, the accuracy and the vertical degree of buried depth, improve the installation quality, avoided the waterstop to appear the position incline, the distortion scheduling problem.
And moreover, a simple clamp for the longitudinal water stop of the tunnel is designed and manufactured, the clamp is formed by using L63 × 6mm angle steel with strong deformation resistance as a rubber water stop clamping opening, and the steel plate, the steel pin and the fastening bolt together.
The self-made simple clamp is adopted to position the longitudinal buried rubber waterstop at the seam of the tunnel secondary lining and the short side wall, and compared with the positioning of the buried rubber waterstop only by fixing the vertical steel bars at a certain interval, the accuracy and the verticality of the buried plane position and the buried depth of the rubber waterstop can be improved, the problems of position deflection, distortion and the like of the waterstop are avoided, and the engineering quality, the safety and the environmental protection are facilitated; compared with other existing clamps for the longitudinal water stop belt of the tunnel, the self-made simple clamp adopts the steel bar spot welding to connect the top surfaces of the low-side wall templates, and has the advantages of low material cost, simple and quick positioning, installation and disassembly, high construction quality, safety, reliability and the like; the self-made simple clamp can be repeatedly used, the use amount of the traditional positioning steel bar is reduced, the resources such as materials and manpower can be effectively saved, and the energy conservation and the consumption reduction are facilitated.
Drawings
FIG. 1 is a cross-sectional view of a self-made simple clamp;
FIG. 2 is an elevation view of the home-made simple clamp;
FIG. 3 is a cross-sectional view of a self-made simple clamp and a rubber water stop after pouring of concrete for the low-profile wall;
fig. 4 is a flow chart of the construction process of the longitudinal middle-buried water stop belt of the short-side wall top by the simple clamp method.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 4, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a simple clamp for a longitudinal water stop belt of a tunnel through improvement, which is suitable for the longitudinal middle-buried water stop belt construction of various tunnels and underground engineering; as shown in fig. 1-3, 2 steel angles 1 are used as rubber water stop clamping openings of the simple clamp, a steel clamping plate 2 is welded on the inner side of a vertical surface of each steel angle 1 along the length direction, a hinge 3 is welded on the top edge of each steel clamping plate 2, a screw hole is drilled in the waist of each steel clamping plate and is adjusted by an M27 bolt 4, and therefore the simple clamp is formed, and after the position of the clamp is determined, the clamp is welded and fixed on the top surface of the formwork of the low-profile wall by using phi 22mm threaded.
The angle steel 1 is L63 × 6mm, steel clamping plates 2 with the height of 300mm, the width of 60mm and the thickness of 10mm are welded on the inner sides of the vertical faces of the angle steel 1 every 2.0M along the length direction, hinge hinges 3 with the diameter of phi 8mm are welded on the top edges of the steel clamping plates, 1 screw hole with the diameter of phi 30mm is drilled in the waist of the steel clamping plate, and the screw holes are adjusted through M27 bolts 4.
The characteristics of this patent are as follows:
(1) adopt the two linings of self-control simple and easy anchor clamps location tunnel and the vertical well formula rubber waterstop of burying of low side wall seam crossing, with only relying on certain interval vertical reinforcement to fix in the formula waterstop location and comparing, can improve the accuracy and the vertical degree of the pre-buried plane position of rubber waterstop, buried depth, avoid the waterstop to appear the position skew, twist scheduling problem, be favorable to engineering quality, safety and environmental protection.
(2) Compared with the existing clamps for other tunnel longitudinal water stops, the self-made simple clamp adopts the steel bar spot welding to connect the top surface of the short side wall template, and has the advantages of low material cost, simple and quick positioning, installation and disassembly, high construction quality, safety, reliability and the like.
(3) The self-made simple clamp can be repeatedly used, the use amount of the traditional positioning steel bar is reduced, the resources such as materials and manpower can be effectively saved, and the energy conservation and the consumption reduction are facilitated.
The principle of the device is that L63 × 6mm angle steel with strong deformation resistance is used as a rubber waterstop clamping opening, a clamp is formed by the angle steel, a steel clamping plate, a steel pin and a fastening bolt, the clamping function of the middle embedded type waterstop is achieved, the embedded position of the rubber waterstop is measured during construction, the clamp is connected by steel bars and fixed on the top surface of a low side wall formwork in a spot welding mode, and the position of the rubber waterstop embedded in the concrete of the low side wall is accurate.
The following explains the practical construction process and the operation key points of the utility model;
a construction process flow (see fig. 4);
(1) the design of the fixture is characterized in that 2 pieces of L63 steel angles with the length of 63 × 6mm are used as clamping openings of the rubber waterstop of the self-made simple fixture, steel clamping plates with the height of 300mm, the width of 60mm and the thickness of 10mm are welded on the inner sides of vertical surfaces of the steel angles at intervals of 2.0M along the length direction, hinge hinges with the diameter of a hinge pin of phi 8mm are welded on the top edges of the steel clamping plates, 1 phi 30mm screw hole is drilled in the waist of the steel clamping plates and is adjusted by an M27 bolt, the simple fixture is formed, the rubber waterstop is clamped and loosened, and the fixture is fixed to the top surface of the low-edge wall formwork through phi 22mm threaded steel.
(2) Manufacturing a clamp; the anchor clamps are made in the site steel bar processing factory, and the angle steel clamp mouth should be guaranteed during the preparation and levels not warp, firm in connection between each part, and the hinge hinges is opened and shut in a flexible way.
(3) Measuring the position of the buried waterstop; the pouring elevation of the concrete of the low side wall is firstly set out on the wall surface of the primary support concrete, and the plane and the height position of the buried water stop are measured by the tape measure.
(4) The fixture is welded with the short side wall template in a positioning way; and positioning the clamp by using a phi 22 steel bar and connecting the clamp with the top surface of the short side wall template in a spot welding manner, wherein the distance between the steel bars is 2m, and the length is determined according to the distance between the clamp and the short side wall template.
(5) And (3) installing a middle-buried water stop:
1) and loosening the steel clamping plate bolts, putting the buried water stop between the two steel clamping plates, straightening and adjusting the position of the water stop, ensuring that the water stop is smooth and tidy, and the longitudinal and horizontal positions are accurate, so that the requirements that half of the water stop is buried in concrete, half of the water stop is exposed and kept in the middle are met. And after the position is confirmed to be correct, the water stop is clamped and fixed by screwing the steel clamping plate bolt.
2) The rubber water-stop belt joint is in lap joint or composite joint, the lap joint width is not less than 100mm, and the cold bonding or welding seam width is not less than 50 mm.
(6) And pouring the concrete of the short side wall. When the concrete of the short side wall is poured, the phenomenon that the concrete is extruded to deviate from the rubber water stop is checked, and the concrete is corrected in time.
(7) Disassembling and cleaning the clamp:
1) and (3) disassembling the clamp after the concrete of the short side wall is finally set, loosening the clamp plate bolt, turning up the outer clamp plate on the side of the side wall, knocking and loosening the positioning steel bar at the top of the template of the short side wall by using a small hammer, and taking out the clamp.
2) After the clamp is disassembled, the residual concrete on the clamp is timely cleaned and derusted, bolt maintenance is enhanced, and the clamp is immediately replaced when sliding occurs, so that the clamp can be normally used in the next construction.
And (3) benefit analysis:
(1) economic benefits are as follows: compared with the construction according to the prior construction experience and technical level, the construction efficiency and the construction quality are ensured, the cost is saved, and the cost is detailed (see table 1 and cost comparison tables of different schemes).
Table 1: cost comparison table for different schemes
It can be seen from the above table that according to the calculation and analysis of the length of 1200m of the longitudinal water stop, the construction cost is 2361.1 yuan when adopting a self-made simple clamp method, the cost per linear meter is 1.97 yuan, the construction cost when adopting the original method of inserting the steel bars manually is 17909 yuan, and the cost per linear meter is 14.92 yuan. Compared with the original scheme, the cost is saved by 12.95 yuan/m, the cost saving rate is 86.8 percent, and the economic benefit is remarkable.
(2) Social benefits are as follows: the simple clamp positioning construction technology for the longitudinal water stop of the tunnel is a new technology for improving the construction efficiency and the construction quality, the clamp for the longitudinal water stop of the short side wall of the tunnel is quick in construction, less in labor and material consumption, capable of reducing the engineering cost, saving resources, small in pollution, safe and environment-friendly in construction, and good in social benefit.
The engineering example is that a project of a road from Renshan province to Yangshan New City, which is built by Sichuan road navigation construction engineering Limited liability company and constructed in the Sichuan province, renyun new highway L J15 contract segment, the Wuzhishan extra-long tunnel is positioned in Yanshan county of Yibin City, the Sichuan province, the Wuzhishan tunnel is anchored at K137+750, the Wuzhishan tunnel is terminated at K145+160(ZK145+150), the total length of a section route is 7.405 Km, and the Wuzhishan tunnel is a control engineering of the section.
The tunnel waterproof and drainage is always the key point of tunnel construction, the inverted arch and the short side wall are integrally poured, a working joint is formed between the short side wall and a secondary lining, the project part adopts a simple clamp method to construct the longitudinal middle-buried rubber water stop at the joint of the tunnel secondary lining and the short side wall, the embedded plane position of the rubber water stop, the embedding depth accuracy and the vertical degree are ensured, the installation quality is improved, the problems of position deflection, distortion and the like of the water stop are avoided, the self-made simple clamp is simple and rapid to position, install and disassemble, the construction is safe and reliable, the environment is protected and controllable, and the consistent approval of owners and prisoners is obtained during construction.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. The utility model provides a simple and easy anchor clamps of vertical waterstop in tunnel which characterized in that: the simple clamp uses 2 angle steels (1) as rubber waterstop clamping openings, steel clamping plates (2) are welded on the inner sides of vertical surfaces of the angle steels (1) along the length direction, hinge hinges (3) are welded on the top edges of the steel clamping plates (2), screw holes are drilled in the waist of the simple clamp, and the waist of the simple clamp is adjusted by using M27 bolts (4), so that the simple clamp is formed.
2. The simple clamp for the longitudinal water stop of the tunnel according to claim 1, is characterized in that the angle steel (1) is L63 × 6mm angle steel, and a steel splint (2) with the height of 300mm, the width of 60mm and the thickness of 10mm is welded at intervals of 2.0m along the length direction on the inner side of the vertical surface of the angle steel (1).
3. The simple clamp for the longitudinal water stop of the tunnel according to claim 1, which is characterized in that: hinge hinges (3) with the diameter of a pin shaft being phi 8mm are welded at the top edge of the steel splint, 1 phi 30mm screw hole is drilled in the waist part and is adjusted by M27 bolts (4), and the positions of the bolts are higher than the top end of the installed water stop.
4. The simple clamp for the longitudinal water stop of the tunnel according to claim 1, which is characterized in that: after the position of the clamp is determined, the clamp is welded and fixed on the top surface of the short side wall template by using phi 22mm deformed steel bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922273420.8U CN211174143U (en) | 2019-12-18 | 2019-12-18 | Simple clamp for longitudinal water stop belt of tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922273420.8U CN211174143U (en) | 2019-12-18 | 2019-12-18 | Simple clamp for longitudinal water stop belt of tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211174143U true CN211174143U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922273420.8U Active CN211174143U (en) | 2019-12-18 | 2019-12-18 | Simple clamp for longitudinal water stop belt of tunnel |
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| Country | Link |
|---|---|
| CN (1) | CN211174143U (en) |
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- 2019-12-18 CN CN201922273420.8U patent/CN211174143U/en active Active
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