CN112376708B - Deformation joint node waterproof structure for preventing water stop belt from being pulled apart - Google Patents
Deformation joint node waterproof structure for preventing water stop belt from being pulled apart Download PDFInfo
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- CN112376708B CN112376708B CN202011072478.7A CN202011072478A CN112376708B CN 112376708 B CN112376708 B CN 112376708B CN 202011072478 A CN202011072478 A CN 202011072478A CN 112376708 B CN112376708 B CN 112376708B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6806—Waterstops
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- Engineering & Computer Science (AREA)
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- Electromagnetism (AREA)
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Abstract
The utility model provides a waterproof structure of deformation joint node of prevention waterstop stretch-break, including embedded type steel limit rubber waterstop, joint filling material, sealing material and omega formula anti-crack component, embedded type steel limit rubber waterstop is as the first water stop line of flourishing water structure concrete wallboard deformation joint department, the sealing material is as sealing material's supporting material in the gap, and prevent gravel and rubble outside the deformation joint from getting into the gap, sealing material's effect is the surface of closed seam, form the prevention of seepage barrier at the surface that sets up the seam, omega formula anti-crack component is as the second water stop line of deformation joint department, its main function is as the concrete wallboard of stress component resistance deformation joint both sides takes place big deformation. The invention not only can facilitate construction and demolition after failure of the late omega-shaped anti-cracking member, and replace a new member, but also can effectively prevent the rubber water stop from being cracked after participation of the omega-shaped anti-cracking member in work, thereby ensuring the durability and chemical stability of the deformation joint node and prolonging the service life of the deformation joint node.
Description
Technical Field
The invention relates to deformation joint waterproofing of a concrete structure of a water containing structure in municipal industry, and particularly discloses a deformation joint node waterproofing structure for preventing water stops from being pulled apart.
Background
Deformation joints on concrete water supply and drainage engineering structures of water containing structures in municipal engineering can be divided into two categories, namely deformation joints and construction joints, and the joints are particularly strict in water tightness. The deformation joint has the function of allowing the structures or the components at the two sides of the joint to generate a certain relative deformation without affecting the normal use state of the structures or the components.
At present, in order to ensure the durability and chemical stability of deformation joint nodes, embedded water stop tapes are commonly adopted at deformation joints of the wall plates to isolate water. This waterproof construction has the following disadvantages: 1) The embedded water stop is inconvenient for later maintenance, and if the water stop is pulled to crack, the current concrete structure can be damaged; 2) The wall plates on two sides of the deformation joint are excessively deformed to exceed the elongation deformation of the rubber water stop belt at break, and the water stop belt is pulled to crack at the moment, so that the expected water stop effect cannot be achieved. The application provides a deformation joint node waterproof structure for preventing a water stop belt from being pulled to crack, which adopts two water stop and prevention lines to cross the deformation joint so as to cut off a seepage path.
Disclosure of Invention
Aiming at the defect that the existing deformation joint waterproof structure of the wallboard commonly adopts an embedded water stop tape to isolate water, the invention provides the deformation joint node waterproof structure for preventing the water stop tape from pulling crack.
In order to solve the technical problems, the invention is solved by the following technical scheme:
prevent waterproof structure of movement joint node that waterstop pulled crack, movement joint is located between the concrete wallboard of both sides, its characterized in that: the node waterproof structure comprises an embedded steel edge rubber water stop belt, the embedded steel edge rubber water stop belt is located in the middle of a deformation joint, joint filling materials are arranged in the deformation joint at two sides of the embedded steel edge rubber water stop belt, sealing materials are filled at two ends of the deformation joint, omega-shaped anti-cracking members are arranged at the outer sides of two ends of the deformation joint, and two ends of the omega-shaped anti-cracking members are respectively fixed on concrete wall plates at two sides of the deformation joint.
Further, bolts are embedded in the concrete wallboard, bolt holes are formed in the end parts of the omega-shaped anti-cracking members, the bolt holes at the end parts of the omega-shaped anti-cracking members are sleeved on the embedded bolts, and common washers, spring washers and nuts are sleeved on the embedded bolts in sequence.
Further, one end of the embedded bolt is exposed and provided with threads, the other end of the embedded bolt is embedded into the concrete wallboard, the other end of the embedded bolt is connected with the bent steel bar, and the tail part of the bent steel bar is provided with a hook part so as to increase the bonding strength between the embedded bolt and the concrete wallboard.
Further, the inner end of the caulking material is tightly attached to the embedded steel edge rubber water stop belt, the outer end of the caulking material forms a T-shaped notch, and the inner end of the sealing material is embedded into the T-shaped notch.
Further, the caulking material is selected from polyethylene foam caulking plates, corrosion-resistant cork plates or fiber plates.
Furthermore, the sealing material is polysulfide sealant, polyurethane or silica gel.
The construction method of the deformation joint waterproof structure for preventing the water stop belt from being pulled apart is characterized by comprising the following steps of:
a. measuring and paying off the wallboard at the position where the deformation joint is to be arranged, arranging the embedded bolt, and binding and fixing the embedded bolt and the wallboard steel bar according to a set position by adopting a thin iron wire; b. the steel edge rubber water stop belt is fixed in the section of the wallboard by effective measures; c. setting up a template, firmly fixing the template, the embedded bolts and the rubber water stop, pouring concrete on one side of the deformation joint, and dismantling the template on one side of the deformation joint after the concrete is coagulated and hardened; d. after the caulking material is prefabricated and formed, the caulking material is installed and fixed in the deformation joint, and the formed caulking material can be used as a template for concrete pouring of the wallboard at the other side of the deformation joint; e. setting up the other side template, firmly fixing the template, the embedded bolts, the rubber water stop and the caulking material, pouring concrete, and removing the other side template of the deformation joint after the concrete is coagulated and hardened; f. directly injecting sealing materials into a notch reserved by a joint filling material for forming in the field, drilling holes on the omega-shaped anti-cracking members according to the positions of bolts at two sides of a deformation joint, installing the omega-shaped anti-cracking members, sleeving common washers, spring washers and nuts in sequence, and tightening all the nuts by adopting a torque wrench; g. thus, the construction of the deformation joint waterproof structure node for preventing the water stop from being pulled and cracked is completed.
Further, after fatigue damage occurs to the omega-shaped anti-cracking member under the cyclic reciprocating tension action of the gap, the nut is unscrewed to remove the omega-shaped anti-cracking member, a new member is replaced, a common washer, a spring washer and the nut are sleeved in sequence, and the nut is screwed by adopting a torque wrench.
The embedded steel edge rubber water stop is used as a first water stop and defense line at the deformation joint of the concrete wallboard of the water containing structure, is a most important waterproof material in the deformation joint, the joint filling material is used as a supporting material of a sealing material in the joint and prevents hard materials such as gravel and broken stone outside the deformation joint from entering the joint to prevent the joint from opening and closing deformation, the sealing material is used for sealing the joint surface, an impermeable barrier is formed on the joint surface, and the omega-shaped anti-cracking member is used as a second water stop and defense line at the deformation joint and is mainly used as a stress member to resist the concrete wallboard at two sides of the deformation joint from large deformation. The node waterproof structure is arranged at the deformation joint of the concrete wallboard of the water containing structure, so that two water stopping and preventing lines are formed inside and outside the wallboard, and the working position of the node waterproof structure crosses the deformation joint to intercept a seepage path.
The node waterproof structure is arranged at the deformation joint of the concrete wallboard of the water containing structure, so that two water stopping and preventing lines are formed inside and outside the wallboard, and a seepage path is cut off across the deformation joint. The invention realizes that the construction and the disassembly are convenient after the failure of the late omega-shaped anti-cracking member, the new member is replaced, and the omega-shaped anti-cracking member can effectively prevent the rubber water stop belt from being cracked after participating in the work, thereby ensuring the durability and the chemical stability of the deformation joint node, prolonging the service life of the deformation joint node, and the construction process of the whole node structure is simple, convenient, safe and quick to operate.
Drawings
Fig. 1 is a schematic view of a waterproof construction of a deformation joint for preventing a water stop from being pulled apart.
Fig. 2 is an enlarged partial schematic view of fig. 1.
The reference numerals are as follows:
1-concrete wallboard, 2-embedded steel edge rubber water stop, 3-caulking material, 4-sealing material, 5-embedded bolt, 6-nut, 7-spring washer, 8-common washer and 9-omega-shaped anti-cracking component.
Detailed Description
The present invention will be described in further detail with reference to fig. 1 to 2 and examples.
Prevent waterproof structure of movement joint node that waterstop pulled crack, movement joint is located between the concrete wallboard 1 of both sides, its characterized in that: the waterproof structure of node is including burying formula steel limit rubber waterstop 2, it is located the movement joint middle part to bury formula steel limit rubber waterstop 2 area, set up joint filling material 3 in the movement joint of formula steel limit rubber waterstop both sides, seal material 4 is filled at the both ends of movement joint, the movement joint both ends outside sets up omega type tension crack resistant component 9, be equipped with embedded bolt 5 in the concrete wallboard, omega type tension crack resistant component 9 tip sets up the bolt hole, omega type tension crack resistant component 9's tip bolt hole cover is established on embedded bolt 5, cover ordinary packing ring 8, spring washer 7, nut 6 on the embedded bolt 5 in proper order. One end of the embedded bolt 5 is exposed and provided with threads, the other end of the embedded bolt is embedded into the concrete wall plate 1, the other end of the embedded bolt is connected with a bent steel bar, and the tail part of the bent steel bar is provided with a hook part. The included angle between the embedded bolt and the bent steel bar is 100-150 degrees. The omega-shaped anti-cracking member 9 comprises steel plates at two sides and a circular arc-shaped connecting part for connecting the steel plates at two sides.
The embedded steel edge rubber water stop 2 is selected according to the size of the deformation joint and the water pressure, horizontal deformation and vertical deformation, and proper measures are adopted to ensure that concrete around the water stop is poured and vibrated tightly, so that the water stop is firmly meshed with the concrete. The rubber water stop is preferably made of different types of rubber according to the chemical properties of water in the water-containing structures, such as, but not limited to, neoprene water stop for structures storing weak base and weak acid water.
The joint compound 3 is selected by a combination of the following factors: the relative deformation of the deformation joint, the medium contacted with the caulking material, the bearing water pressure, the use environment, the decoration requirement of the concrete wall plate surface of the water containing structure, the section size of the wall plate and the construction cost. The caulking material can be selected from polyethylene foam caulking plates, corrosion-resistant cork plates and fiber plates, but is not limited to the above.
The sealing material 4 is selected by taking the following factors into consideration: the relative deformation of the deformation joint, the bearing water pressure, the medium contacted with the sealing material, the use environment, the decoration requirement of the concrete wall plate surface of the water containing structure and the engineering cost. The sealing material can be flexible material with strong waterproof and deformation capability, adaptability to seam opening and closing and effective bonding with concrete, such as polysulfide sealant, polyurethane, silica gel and the like, and has the characteristics of no aging and no deterioration in the environment of use, but is not limited to the method.
The omega-shaped anti-cracking member 9 is preferably made of steel, can adapt to the opening and closing of the deformation joint without strength damage, and cannot generate fatigue fracture under the cyclic reciprocating stretching action of the joint. The ultimate tensile deformation of the omega-shaped anti-cracking member is slightly smaller than the elongation deformation of the rubber water stop band at break, the omega-shaped anti-cracking member is stretched and straightened before the rubber water stop band is cracked, and concrete wall plates on two sides of the deformation joint are resisted to further deform after intervention work. When the omega-shaped anti-cracking member is damaged and fails, the construction and the disassembly are very convenient, a new member can be replaced, and the rubber water stop belt can be effectively prevented from being cracked after the member continues to participate in the work.
The construction method of the deformation joint waterproof structure for preventing the water stop belt from being pulled apart comprises the following steps:
a. measuring and paying off the embedded bolts 5 at the position of the wall plate 1 where the deformation joint is to be arranged, and binding and fixing the embedded bolts 5 and the reinforcing steel bars of the wall plate 1 according to a set position by adopting thin iron wires; b. the steel edge rubber water stop belt 2 is fixed in the section of the wallboard 1 by effective measures; c. setting up a template, firmly fixing the template, the embedded bolts 5 and the rubber water stop belt 2, pouring concrete at one side of the deformation joint, and dismantling the template at one side of the deformation joint after the concrete at the side is coagulated and hardened; d. after the caulking material 3 is prefabricated and formed, the caulking material 3 is installed and fixed in the deformation joint, and the formed caulking material 3 can be used as a template for concrete pouring of the other side wall plate 1 of the deformation joint; e. setting up another side template, firmly fixing the template, the embedded bolts 5, the rubber water stop 2 and the caulking material 3, pouring concrete, and removing the other side template of the deformation joint after the concrete on the other side is coagulated and hardened; f. directly injecting the sealing material 4 into a reserved notch for forming in the field by using an injector, drilling holes on the omega-shaped anti-cracking members 9 according to the positions of bolts 5 on two sides of a deformation joint, installing the omega-shaped anti-cracking members 9, sleeving a common washer 8, a spring washer 7 and nuts 6 in sequence, and tightening all the nuts 6 by using a torque wrench; g. so far, the construction of the deformation joint waterproof structure node for preventing the water stop belt 2 from being pulled apart is completed.
Examples
As shown in fig. 2, the embedded bolt 5 is sleeved with a common washer 8, a spring washer 7 and a nut 6 from bottom to top in sequence, and an omega-shaped anti-cracking member 9 can be installed after the sealing material 4 is molded.
The sealing material 4 is required to have good adhesion with concrete on both sides thereof without adhesion with the caulking material 3 on the lower portion thereof, thereby affecting the deformation range of the sealing material 4, and thus, isolation measures should be taken between the caulking material 3 and the sealing material 4.
The ultimate tensile deformation of the omega-shaped anti-cracking member 9 is required to be slightly smaller than the elongation deformation of the rubber water stop belt 2 at break, the omega-shaped anti-cracking member 9 is stretched and straightened before the rubber water stop belt 2 is cracked, and the concrete wall plates 1 on the two sides of the deformation joint resist further deformation after intervention work.
The above-mentioned figures 1, 2 and examples are only for illustrating a preferred embodiment of the present invention, and the scope of the present invention is not limited in any way, and the skilled person can make common changes, substitutions and improvements within the scope of the spirit and principles of the present invention.
Claims (5)
1. Prevent waterproof structure of movement joint node that waterstop pulled crack, movement joint is located between the concrete wallboard of both sides, its characterized in that: the node waterproof structure comprises an embedded steel edge rubber water stop belt, wherein the embedded steel edge rubber water stop belt is positioned in the middle of a deformation joint, joint filling materials are arranged in the deformation joint at two sides of the embedded steel edge rubber water stop belt, sealing materials are filled at two ends of the deformation joint, omega-shaped anti-cracking members are arranged at the outer sides of two ends of the deformation joint, two ends of the omega-shaped anti-cracking members are respectively fixed on concrete wall plates at two sides of the deformation joint, bolts are embedded in the concrete wall plates, bolt holes are formed in the ends of the omega-shaped anti-cracking members, bolt holes at the ends of the omega-shaped anti-cracking members are sleeved on the embedded bolts, and common gaskets, spring gaskets and nuts are sequentially sleeved on the embedded bolts; the omega-shaped anti-cracking member is made of steel, the ultimate tensile deformation of the omega-shaped anti-cracking member is slightly smaller than the elongation deformation of the rubber water stop band at break, the omega-shaped anti-cracking member is stretched and straightened before the rubber water stop band is cracked, and concrete wall plates on two sides of the deformation joint are resisted to further deform after intervention work.
2. The waterproof construction of deformation joint for preventing water stop belt pulling crack according to claim 1, wherein: one end of the embedded bolt is exposed and provided with threads, the other end of the embedded bolt is embedded into the concrete wallboard, the other end of the embedded bolt is connected with the bent steel bar, and the tail part of the bent steel bar is provided with a hook part.
3. The waterproof construction of deformation joint for preventing water stop belt pulling crack according to claim 1, wherein: the inner end of the caulking material is attached to the embedded steel edge rubber water stop belt, the outer end of the caulking material forms a T-shaped notch, and the inner end of the sealing material is embedded into the T-shaped notch.
4. The waterproof construction of deformation joint for preventing water stop belt pulling crack according to claim 1, wherein: the caulking material is selected from a polyethylene foaming caulking plate, an anti-corrosion cork plate or a fiberboard; the sealing material is polysulfide sealant, polyurethane or silica gel.
5. The construction method of the deformation joint waterproof structure for preventing the water stop belt from being pulled apart is characterized by comprising the following steps of:
a. measuring and paying off the wallboard at the position where the deformation joint is to be arranged, arranging the embedded bolt, and binding and fixing the embedded bolt and the wallboard steel bar according to a set position by adopting a thin iron wire; b. the steel edge rubber water stop belt is fixed in the section of the wallboard by effective measures; c. setting up a template, firmly fixing the template, the embedded bolts and the rubber water stop, pouring concrete on one side of the deformation joint, and dismantling the template on one side of the deformation joint after the concrete is coagulated and hardened; d. after the caulking material is prefabricated and formed, the caulking material is installed and fixed in the deformation joint, and the formed caulking material is used as a template for concrete pouring of the other side wall plate of the deformation joint; e. setting up the other side template, firmly fixing the template, the embedded bolts, the rubber water stop and the caulking material, pouring concrete, and removing the other side template of the deformation joint after the concrete is coagulated and hardened; f. directly injecting sealing materials into a notch reserved by a joint filling material for forming in the field, drilling holes on the omega-shaped anti-cracking members according to bolt positions on two sides of a deformation joint, installing the omega-shaped anti-cracking members, sleeving a common gasket, a spring gasket and a nut in sequence, and screwing the nut; the omega-shaped anti-cracking member is made of steel, and the ultimate tensile deformation of the omega-shaped anti-cracking member is slightly smaller than the elongation deformation of the rubber water stop belt; g. thus, the construction of the deformation joint waterproof structure node for preventing the water stop from being pulled and cracked is completed; after fatigue damage occurs to the omega-shaped anti-cracking member under the cyclic reciprocating tensioning action of the gap, the nut is unscrewed to remove the omega-shaped anti-cracking member, a new member is replaced, a common washer, a spring washer and the nut are sleeved in sequence, and the nut is screwed by adopting a torque wrench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011072478.7A CN112376708B (en) | 2020-10-09 | 2020-10-09 | Deformation joint node waterproof structure for preventing water stop belt from being pulled apart |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011072478.7A CN112376708B (en) | 2020-10-09 | 2020-10-09 | Deformation joint node waterproof structure for preventing water stop belt from being pulled apart |
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| CN112376708A CN112376708A (en) | 2021-02-19 |
| CN112376708B true CN112376708B (en) | 2023-07-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS5126887Y2 (en) * | 1971-12-11 | 1976-07-08 | ||
| US8789329B2 (en) * | 2010-04-26 | 2014-07-29 | Marius Radoane | NP-EIFS non-permissive exterior insulation and finish systems concept technology and details |
| CN201713830U (en) * | 2010-05-21 | 2011-01-19 | 宝山钢铁股份有限公司 | Plugging device for underground-structure deformation joint |
| CN106930331A (en) * | 2017-04-19 | 2017-07-07 | 中建局集团第二建筑有限公司 | Waterproof structure system of underground pipe gallery expansion joint and construction method thereof |
| CN208717970U (en) * | 2018-07-25 | 2019-04-09 | 肖金燕 | A kind of modified basement roof dilatation joint waterproof structure |
| CN110258826A (en) * | 2019-06-18 | 2019-09-20 | 中国三冶集团有限公司 | A kind of waterproof construction of basement steel construction exterior wall and concrete ground plate node |
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