CN2446192Y

CN2446192Y - Protective structure of waterstop

Info

Publication number: CN2446192Y
Application number: CN 00253972
Authority: CN
Inventors: 李门乾
Original assignee: Quanrisheng Engineering Co ltd
Current assignee: Quanrisheng Engineering Co ltd
Priority date: 2000-09-27
Filing date: 2000-09-27
Publication date: 2001-09-05
Anticipated expiration: 2010-09-27

Abstract

A protection structure for water stop band is composed of a diffusion layer covering the perfusion slot and the fixing parts at both ends of said perfusion slot for uniformly diffusing the perfusion chemical, a mud-blocking layer for absorbing external pressure to prevent the perfusion slot from being squeezed, several penetrating holes for uniformly distributing the perfusion chemical, and a shock-absorbing layer for increasing the shock and pressure resistances of water stop band.

Description

The protective construction of waterstop

The utility model provides a kind of protective construction of waterstop, is meant a kind of protective construction that is fixed in the waterstop side especially, and this protective construction has when waterstop and is subjected to that external hydraulic pressure washes away or during earthquake effect, prevents that effectively it from splitting, damaging.

General concrete construction generation main cause of seepage, outer is that Segregation produces honeycomb during because of grouting, add the floating grey dusting of the excessive generation of water during grouting, form removal is too early, iron wire, reinforcing bar, template batten are not removed, factors such as pipeline partly chaps cause, and main seepage place major part is the construction joint that is positioned at final grouting.The shrinkage joint; Builing industry dealer improves construction joint, the serious leakage problems in shrinkage joint, normally is embedded with waterstop in the construction joint of concrete construction and shrinkage joint.

General concrete construction in order to the waterstop of leakproof sealing as shown in Figure 1, its waterstop A is provided with the hollow resistance to compression A1 of portion in the center, two corresponding end of the A1 of this resistance to compression portion are extended with fixed part A2 respectively, and the both sides of fixed part A2 also are provided with several symmetrical fixing rib A3:

Since this waterstop be vertical fixing between construction joint or shrinkage joint, when external hydraulic pressure is invaded to the waterstop placement by an end construction joint or shrinkage joint, can reach the purpose of keeping out external infiltration and reach the protection effect by this waterstop.

Though the employed waterstop in the construction joint of above-mentioned each construction work or shrinkage joint has the leak-stopping effect, but, because of the construction joint of concrete construction and shrinkage joint are the places of easy infiltration, in case construction joint and shrinkage joint are infiltrated by external hydraulic pressure, concrete arround construction joint and the shrinkage joint is promptly easily washed away by external hydraulic pressure, and its concrete is day by day run off; And because waterstop itself does not have dilatancy, therefore the concrete flow arround construction joint and shrinkage joint is missed the season, and this waterstop not only can't suppress infiltration to be continued to invade, and the tectosome of waterstop itself more can be crushed the bad bee slot shape that becomes by secondary water; During waterstop generation bee slot shape, represent that not only the unitary construction body of this waterstop is seriously damaged, can't reach the original sealing effect of desiring to reach especially;

Moreover because the earthquake of various places generation is frequent, so concrete construction is suffering under the earthquake effect, be embedded in the waterstop in construction joint and the shrinkage joint, be vulnerable to earthquake and rock, shake, and make waterstop split, damage, and then cause the situation of waterstop forfeiture sealing function;

In addition, this pre-buried type waterstop is not because of having the structure in order to secondary leak-stopping and protection, and therefore, concrete construction is when drainage takes place, and the wall structure body that only can take to destroy concrete construction carries out the leak-stopping operation; But, adopt to destroy the mode of metope and carry out the leak-stopping operation, not only take a lot of work, time-consuming, and the cost expenditure that institute must pay to be excessive, real order is desired to carry out the mender and is difficult to accept, so the structure of this waterstop has the necessity that is further improved in fact.

At above-mentioned defective, the inventor is according to rich practice experience such as the research of being engaged in this series products for many years, design, manufacturing, constructions, through after constantly research and the test, success finally develop the technical solution of the utility model.

Main purpose of the present utility model is to provide a kind of protective construction of waterstop, this protective construction be can list or bilateral be fixed on the waterstop, by continuing to inject waterproof perfusion medicament or high pressure in the perfusion groove, force value in the perfusion groove is raise, when making waterproof coating pop, this waterproof perfusion medicament can outwards be flowed out and utilize diffusion layer uniformly to diffusion all around by the open-work of perfusion groove, and each permeability hole that sees through on the equal layer of cloth outwards disengages; Pour into medicament to the waterproof that each permeability hole oozes out, see through the equal layer of cloth retaining mud layer of putting that the outside is covered again, and can expand and induration with the generation of leaking evenly, widely, outwards ooze out to prevent the infiltration continuation, and reach the protection effect of concrete construction secondary leak-stopping.

Another purpose of the present utility model is to provide a kind of protective construction of waterstop, and covering the diffusion layer that places on the perfusion groove mainly is to make with the water proofing property material, and the waterproof perfusion medicament in the perfusion groove is spread by the permeability hole on the equal layer of cloth uniformly; The retaining mud layer that is coated on the equal layer of cloth outside is to make with the water proofing property material, uses to prevent that mud from entering and cause choking phenomenon in the permeability hole; And cover the shock suction layer that places the equal layer of cloth outside is to constitute with netted glass dimension, iron net or its equivalent material, increase the seismic force and the crushing resistance of waterstop, really the waterstop of forgoing rocks because of being subjected to secondary water pressure erosion or earthquake, and prevent the situation of rhegma, breaking-up, and can significantly promote the certainty of leak-stopping operation and the effect of secondary protection.

The purpose of this utility model is achieved in that a kind of protective construction of waterstop, this waterstop is to be a sheet belt body, the center is provided with in order to inject the perfusion groove that waterproof pours into medicament, the perfusion groove outwards is penetrated with some open-works, open-work is outside and be coated with and can seal open-work, and can suitably pop the waterproof coating that waterproof perfusion medicament is outwards sent forth under the pressure; Two corresponding end of perfusion groove are outward extended with fixed part respectively, and this fixed part is to extend to appropriate location, prolongs the sealing line length of whole waterstop, on its both sides and be equipped with several symmetrical fixing rib; It is characterized in that: the outside of this waterstop is fixed with the protective construction of being made up of diffusion layer, equal layer of cloth, retaining mud layer and shock suction layer, and this diffusion layer covers the side that places waterstop, and it is with the water proofing property structure; Be penetrated with some permeability holes on the equal layer of cloth of this water proofing property structure, outwards distribute for the waterproof perfusion medicament that this diffusion layer scattered; This retaining mud layer is to be coated on the equal layer of cloth outside; This shock suction layer is that lid places on the equal layer of cloth in the outside.

This diffusion layer is glass cloth, adhesive-bonded fabric or the water proofing property structure equivalent with it; This equal layer of cloth is rubber, foam, polyvinyl chloride or the water proofing property structure equivalent with it; This retaining mud layer be glass cloth or with the protective layer structure of glass cloth equivalence; This shock suction layer is netted glass dimension, iron net or the compression-resistant structure equivalent with it; This protective construction is to be fixed on the waterstop with fixture, and itself and fixing rib adjacent are also fixing with fixing glue; This fixture is nylon rope or tailor's line; This protective construction and fixing rib adjacent are fixed with hot melt or overlapping mode.

Major advantage of the present utility model is: protective construction is to be fixed in the waterstop side, mainly includes diffusion layer.Equal layer of cloth, retaining mud layer and shock suction layer, wherein, diffusion layer is to cover the fixed part side that places perfusion groove two ends, and waterproof perfusion medicament can be spread to fixed part uniformly; All but layer of cloth is the backstop extraneous pressure, makes the perfusion groove of waterstop avoid damage, and it is penetrated with some permeability holes, makes this permeability hole of waterproof perfusion medicament mountain be distributed in widely and desires the leak-stopping place; The retaining mud layer is to be coated on the equal layer of cloth outside, and the mud when preventing to be in the milk blocks permeability hole; Shock suction layer is that lid places on the equal layer of cloth in the outside, uses the seismic force and the crushing resistance that increase waterstop;

Further specify below in conjunction with preferred embodiment and accompanying drawing.

Shown in Figure 1 is the organigram of waterstop commonly used.

Fig. 2 is that the utility model is fixed in the cross-sectional schematic on the less tectosome.

Fig. 3 is that the utility model is fixed in than the cross-sectional schematic on the macrotectonics body.

Consult Fig. 2, shown in 3, waterstop 10 of the present utility model is a sheet belt body, the center is provided with in order to inject the perfusion groove 11 that waterproof pours into medicament, perfusion groove 11 outwards is penetrated with some radially-arranged open-works 12, open-work 12 is outside and be coated with and can seal open-work 12, and the waterproof coating 13 that can under suitable pressure, pop waterproof perfusion medicament outwards be sent forth: in addition, two corresponding end of perfusion groove 11 are outward extended with fixed part 14 respectively, this fixed part 14 is to extend to appropriate location, prolong the sealing line length of whole waterstop 10, on its both sides and be equipped with several symmetrical fixing rib 15;

Said fixing mainly includes diffusion layer 21, equal layer of cloth 22, retaining mud layer 23 and shock suction layer 24 in the protective construction 20 of waterstop 10 sides, wherein:

Diffusion layer 21 is to cover fixed part 14 sides that place perfusion groove 11 two ends, mainly is to make with the water proofing property material, as: glass cloth or adhesive-bonded fabric etc. spread waterproof perfusion medicament uniformly to fixed part 14;

All layer of cloth 22 is to make with water proofing property materials such as rubber, foam or PVC, it can use the absorption extraneous pressure, to prevent that pouring into groove 11 sustains damage, on this equal layer of cloth 22 and be penetrated with some permeability holes 25, order is inhaled waterproof perfusion medicament that diffusion layer 21 scattered by the average outside distribution of this permeability hole 25;

Retaining mud layer 23 is to be coated on equal layer of cloth 22 outsides, makes with glass cloth or with the material of glass cloth equivalence, mainly is that the mud when preventing to be in the milk enters permeability hole 25, the phenomenon that causes permeability hole 25 to block;

Shock suction layer 24 is that lid places on the equal layer of cloth 22 in the outside, can adopt netted glass dimension, iron net or its equivalent material and constitute, to increase the seismic force and the crushing resistance of waterstop 10;

This protective construction 20 is with fixture 30, as: nylon rope or tailor's line etc., be consolidated on the waterstop 10,

protective construction

20 and 15 in perfusion groove 11 adjacent fixed ribs are with the fixing glue adhesion, or fix in modes such as hot melt, overlap joints.

It must be emphasized that at this, the protective construction of waterstop 10 of the present utility model 20 applicable: before burying underground, in injection groove 11, inject on the waterstop 10 of waterproof perfusion medicament, or before burying underground, do not pour on the waterstop 10 of waterproof perfusion medicament; When waterstop 10 is used in the less concrete construction of tectosome, only must be in the waterstop 10 one-sided protective constructions 20 that are provided with, as shown in Figure 2; When being used in the bigger concrete construction of tectosome, then can be fixed with protective construction 20 respectively, as shown in Figure 3 in the both sides of waterstop 10; Continue to inject waterproof perfusion medicament or high pressure in the perfusion groove 11, perfusion groove 11 internal pressure values are raise, when making waterproof coating 13 pop, this waterproof perfusion medicament can outwards be flowed out by the open-work 12 of perfusion groove 11;

During outflow, this waterproof perfusion medicament can utilize diffusion layer 21 uniformly to diffusion all around, and each permeability hole 25 that sees through on the equal layer of cloth 22 outwards disengages; When waterproof perfusion medicament is outwards disengaged by each permeability hole 25, this waterproof perfusion medicament can see through equal layer of cloth 22 outsides and cover the retaining mud layer of putting 23, and can be more even, widely with the effect of leaking of desiring the leak-stopping place, and generation is expanded and hardening phenomenon, to prevent that infiltration from continuing outwards to ooze out, reach the protection effect of concrete construction secondary leak-stopping.

Waterproof perfusion medicament expands with the effect of leaking and during hardening phenomenon, this shock suction layer 24 can effectively combine with water and increase pulling force, the anxiety that makes construction joint behind the secondary leak-stopping or shrinkage joint forgo fully and seep water.

In sum, waterstop protective construction of the present utility model not only can be brought into play the leak-stopping effect evenly, widely, can prevent effectively that more waterstop from rocking the situation that rhegma, breaking-up take place because of the erosion or the earthquake that are subjected to external hydraulic pressure, and can promote the certainty and the secondary protection effect of leak-stopping operation.

Claims

1. A protective structure of a waterstop. The waterstop is a sheet-shaped belt, and a perfusion groove for injecting waterproofing agents is provided in the center of the waterstop. The perfusion groove penetrates outwards with several through holes. The outside is coated with a waterproof coating film that can close the through hole and burst open under appropriate pressure, so that the waterproof filling agent can be sprayed outward; the two corresponding ends of the filling groove respectively extend outward with fixed parts, and the fixed parts are Extend to an appropriate place to extend the length of the waterstop of the overall waterstop, and several symmetrical fixing ribs are protruding on both sides; it is characterized in that: the outer side of the waterstop is fixed with a diffusion layer, a uniform layer, A protective structure composed of a mud-retaining layer and a shock-absorbing layer. The diffusion layer is covered on the side of the waterstop, which is a waterproof structure; the uniform layer of the waterproof structure is penetrated with a number of permeable holes for the diffusion layer. The dispersed waterproof pouring agent is distributed outward; the mud retaining layer is covered on the outside of the evenly distributed layer; the shock-absorbing layer is placed on the outer evenly distributed layer.

2. The protective structure of the waterstop according to claim 1, characterized in that the diffusion layer is made of glass fiber cloth, non-woven cloth or an equivalent waterproof structure.

3. The protective structure of the water stop belt according to claim 1, characterized in that: the uniform layer is made of rubber, foam, polyvinyl chloride or an equivalent waterproof structure.

4. The protective structure of the waterstop as claimed in claim 1, characterized in that: the mud barrier is made of glass fiber cloth or a protective layer structure equivalent to glass fiber cloth.

5. The protective structure of the waterstop as claimed in claim 1, characterized in that the shock-absorbing layer is made of reticular glass fiber, iron mesh or an equivalent anti-compression structure.

6. The protective structure of the waterstop according to claim 1, characterized in that: the protective structure is fixed on the waterstop with a fixing piece, and the adjacent part of the fixing rib is fixed with fixing glue.

7. The protection structure of the water stop belt according to claim 6, characterized in that: the fixing member is nylon rope or tailoring thread.

8. The protection structure of the water stop belt according to claim 6, characterized in that: the protection structure and the adjacent fixing ribs are fixed by heat fusion or overlapping.