CN109372133B - Middle-buried rubber water stop installation and positioning construction method - Google Patents
Middle-buried rubber water stop installation and positioning construction method Download PDFInfo
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- CN109372133B CN109372133B CN201811470879.0A CN201811470879A CN109372133B CN 109372133 B CN109372133 B CN 109372133B CN 201811470879 A CN201811470879 A CN 201811470879A CN 109372133 B CN109372133 B CN 109372133B
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- water stop
- deformation joint
- rubber
- waterstop
- rubber waterstop
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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
- E04B1/6801—Fillings therefor
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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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- 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
- E04B1/6812—Compressable seals of solid form
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
Abstract
The invention discloses a middle-buried rubber waterstop installation and positioning construction method, wherein the method comprises the following steps: the lower part assembly template of the rubber waterstop and the upper part assembly template of the rubber waterstop are used, the lower part assembly template of the rubber waterstop is butted with the lower part of the main keel, the rubber waterstop is preliminarily screwed and fixed, the middle embedded rubber waterstop is placed on the lower part assembly template of the rubber waterstop, the middle hollow circular ring of the middle embedded rubber waterstop is flatly placed in the lower seat groove of the waterstop, the upper part assembly template of the rubber waterstop is butted with the upper part of the main keel, the rubber waterstop is preliminarily screwed, and meanwhile, the upper seat groove of the waterstop is covered on the middle hollow circular ring of the middle embedded rubber waterstop; and then integrally reinforcing the template, erecting a casting mold outside the steel reinforcement framework, and casting concrete. The invention utilizes the joint filling material of the deformation joint to combine with the traditional template to fix the position of the middle buried rubber waterstop, and can always ensure that the central hollow ring of the middle buried rubber waterstop is coincided with the central line of the deformation joint.
Description
Technical Field
The invention relates to the field of corridor engineering construction, in particular to a method for installing, positioning and constructing a middle-buried rubber waterstop at an underground corridor expansion joint of a nuclear power station.
Background
The buried rubber waterstop is embedded in a construction joint and an expansion joint (hereinafter collectively referred to as deformation joint) when concrete is poured and is connected with the concrete into a whole, so that a water stopping effect is achieved in a mode of prolonging a water seepage path, water seepage and water leakage at the deformation joint of a structure can be effectively prevented, effects of effective fastening, sealing, vibration reduction, buffering and the like are achieved, and the waterproof and antiseep requirements of the engineering structure are met. When the buried rubber water stop is stretched and pulled open at a deformation joint, the buried rubber water stop is firstly subjected to geometric deformation and then subjected to stress deformation. The larger the diameter of the middle hollow circular ring of the buried rubber water stop is, the larger the geometric deformation is, and the larger the stretching amount of the deformation joint is. The design width of the deformation joint is equal to the outer diameter of the circular ring, and the geometric deformation capacity of the circular ring can be exerted to the maximum extent.
The traditional middle-buried rubber waterstop is mainly fixed by additional steel bars; fixing a special fixture; fixing lead wire and template. The buried rubber water stop shifts easily when concrete is poured, the central line of the middle hollow circular ring offset deformation joint of the buried rubber water stop is shortened on one side, the deformation joint deforms and receives water pressure, the capacity of the buried rubber water stop for resisting external force is greatly reduced, water leakage is caused when the deformation joint is serious, water does not stop and other phenomena occur, great hidden dangers are caused to the use of a building, and operation and maintenance cost is increased.
Disclosure of Invention
According to the construction method for installing and positioning the buried rubber waterstop, the deformation joint self-joint material is combined with the traditional template to fix the position of the buried rubber waterstop, and after the buried rubber waterstop is installed in place, when concrete is poured, the center line of the central hollow ring of the buried rubber waterstop can be always coincident with the center line of the deformation joint.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
the construction method for installing and positioning the medium-buried rubber waterstop comprises the following steps:
manufacturing a lower rubber water stop assembly template and an upper rubber water stop assembly template, wherein the lower rubber water stop assembly template and the upper rubber water stop assembly template respectively comprise a plywood, a secondary keel and a deformation joint caulking plate, the secondary keel is fixed on one side of the plywood, and the deformation joint caulking plate is attached to the other side of the plywood;
cutting a deformation joint filling plate according to the size of the deformation joint, enabling the thickness of the deformation joint filling plate to be adapted to the width of the deformation joint, cutting a lower water stop belt seat groove at the upper end of the deformation joint filling plate of the lower rubber water stop belt assembly template, and cutting an upper water stop belt seat groove at the lower end of the deformation joint filling plate of the upper rubber water stop belt assembly template;
step three, binding water stop reinforcing steel bars and water stop additional reinforcing steel bars, forming a reinforcing steel bar framework after binding is completed, welding the first high-strength pull rod with the additional reinforcing steel bars, transversely arranging the first high-strength pull rod, installing a cone at the head, and requiring the position of the cone to be: after concrete is poured outside the steel bar framework, the cone is positioned outside the concrete surface;
cutting a cone insertion hole at a preset position of one side surface of the deformation joint seam filling plate, which is opposite to the plywood, and drilling a butt joint through hole communicated with the cone insertion hole on the plywood;
step five, placing the rubber water stop lower part assembly template beside the steel reinforcement framework, wherein the deformation joint filling plate faces the steel reinforcement framework, and the placement position of the rubber water stop lower part assembly template requires that: after concrete is poured outside the steel bar framework, the deformation joint filling plate is attached to the surface of the concrete, and the deformation joint filling plate is just positioned in the deformation joint; the cone is inserted into the cone insertion hole;
step six, butting the lower part assembly template of the rubber waterstop with the lower part of a main keel, wherein the main keel leans against a secondary keel of the lower part assembly template of the rubber waterstop, a second high-strength pull rod simultaneously penetrates through the main keel and a butt-joint through hole of the lower part assembly template of the rubber waterstop, one end of the second high-strength pull rod is preliminarily screwed with a cone, and the other end of the second high-strength pull rod is preliminarily screwed through an external screwing device, so that the main keel, the lower part assembly template of the rubber waterstop and a steel reinforcement;
seventhly, installing a middle-buried rubber water stop: the middle embedded rubber water stop is placed on the combined template at the lower part of the rubber water stop, the middle hollow ring of the middle embedded rubber water stop is flatly placed in the lower seat groove of the water stop,
step eight, butting the upper assembly template of the rubber waterstop with the upper part of a main keel, wherein the main keel leans against a secondary keel of the upper assembly template of the rubber waterstop, a second high-strength pull rod simultaneously penetrates through the main keel and a butt-joint through hole of the upper assembly template of the rubber waterstop, one end of the second high-strength pull rod is preliminarily screwed with a cone, and the other end of the second high-strength pull rod is preliminarily screwed through an external screwing device so that the main keel, the upper assembly template of the rubber waterstop and a steel reinforcement framework are connected with; meanwhile, the upper seat groove of the water stop belt is covered on the middle hollow ring of the middle buried rubber water stop belt;
and ninthly, after the installation is finished, carrying out position inspection on the upper combined template of the rubber water stop, the lower combined template of the rubber water stop, the middle embedded rubber water stop and the main keel, ensuring that the middle hollow ring of the middle embedded rubber water stop is coincided with the central line of the deformation joint, completely screwing each high-strength pull rod to integrally reinforce the template, erecting a pouring mold outside the steel reinforcement framework, and pouring concrete.
In order to optimize the technical scheme, the specific measures adopted further comprise:
step ten, removing the mold: and (3) removing the casting mold after the concrete reaches the specified strength, leaving the deformation joint caulking plate in the deformation joint, unscrewing the second high-strength pull rod, taking down the main keel, separating the plywood from the deformation joint caulking plate, screwing out the cone from the concrete, plugging the cone hole as required, and starting the next section of construction.
The deformation joint filling plate is a polyethylene foam plastic plate.
And in the second step, a foam electric heating knife is used for cutting the deformation joint filling plate.
In the third step, the length of the cone protruding out of the concrete surface is the width of the deformation joint required by the design drawing.
And correspondingly, in the ninth step, the mode of separating the plywood from the deformation joint filling plate is to pull out the iron nails.
And step five, the external tightener is a three-jaw nut.
The invention has the following beneficial effects:
1. the middle-embedded rubber water stop is fixed by a new method, the upper side and the lower side of the middle-embedded rubber water stop are clamped and fixed by the deformation joint caulking plate, the middle hollow ring of the rubber water stop is clamped in the seat groove of the deformation joint caulking plate, the middle hollow ring is not easy to displace, and the capacity of resisting external force is greatly improved.
2. In the construction process, the middle-buried rubber waterstop is only contacted with the deformation joint filling plate, so that the middle-buried rubber waterstop is prevented from being damaged in the construction process;
3. because the plasticity of the polyethylene foam plastic plate is strong, the embedded rubber water stop belt can be smoothly attached to the corner, the embedded rubber water stop belt can be naturally bent at the corner, the stress on two sides is uniform, and the installation and use quality is improved.
Drawings
FIG. 1 is a schematic view of the connection between the plywood and the cross runners;
fig. 2 is a schematic structural view of a steel reinforcement cage;
FIG. 3 is a schematic structural diagram of a lower assembly template of the rubber water stop;
FIG. 4 is a schematic structural diagram of a template of an upper assembly of a rubber water stop;
FIG. 5 is a schematic view showing the interconnection of the main keel, the lower assembly formwork of the rubber waterstop and the steel reinforcement cage in the fifth step;
FIG. 6 is a schematic view of a buried rubber waterstop placed in a waterstop base groove in step six;
FIG. 7 is a schematic diagram of a template for installing the upper assembly of the rubber waterstop in step seven;
fig. 8 is a structural position diagram of the buried rubber waterstop after pouring is completed.
The labels therein are: plywood 1, secondary joist 2, main joist 3, three-jaw nut 4, first high-strength pull rod 5, waterstop reinforcing bar 6, buried rubber waterstop 7, second high-strength pull rod 8, movement joint crack-filling board 9, cone 10.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
The invention is realized by the following technical scheme:
(1) according to the requirements of design drawings, processing an upper positioning template and a lower positioning template of the buried rubber waterstop, wherein each template is fixed into a whole by adopting a plywood 1 and a secondary keel 2, and is shown in detail in figure 1;
(2) cutting a polyethylene foam plastic plate which is a deformation joint filling material according to the size of a deformation joint, then using a foam electric heating knife to combine the polyethylene foam plastic plate with a middle hollow circular ring of the buried rubber water stop 7, and cutting semicircular grooves with the same diameter, namely corresponding seat grooves, at the edge of the polyethylene foam plastic plate according to the diameter size of the hollow circular ring;
(3) binding water stop reinforcing steel bars 6, binding additional reinforcing steel bars, welding the additional reinforcing steel bars with a high-strength pull rod after binding is finished, installing a cone 10 at the head of the high-strength pull rod, wherein the cone 10 protrudes out of the surface of concrete, and the protruding length is the width of a deformation joint of a design drawing, which is detailed in figure 2;
(4) material combination: fixing the cut polyethylene foam plastic plate on the plywood 1 by iron nails, digging holes with the size of a cone at the position of the polyethylene foam plastic plate corresponding to the cone in the step (3), drilling round holes at the position of the plywood 1 corresponding to the high-strength pull rod to form a rubber water stop lower assembly template, and assembling the rubber water stop upper assembly template according to the same steps, as shown in detail in figures 3 and 4;
(5) installing a rubber water stop lower part assembly template: positioning a deformation joint position according to a design drawing, positioning a rubber water stop lower part assembly template, installing a main keel 3, screwing a high-strength pull rod installation gasket and a three-jaw nut 4, and performing primary fixing, wherein the detailed view is shown in FIG. 5;
(6) buried rubber waterstop 7: the middle hollow ring of the buried rubber water stop 7 is flatly placed in the circular arc groove of the polyethylene foam plastic plate, which is shown in detail in figure 6;
(7) positioning the upper assembly template of the rubber water stop according to the step (5), inspecting the template after the installation is finished, integrally reinforcing the template after the central line of the middle hollow ring of the middle embedded rubber water stop is superposed with the central line of the deformation joint, and pouring concrete after the acceptance is qualified, wherein the detail is shown in a figure 7;
(8) removing the mold: and (3) removing the wood formwork after the concrete reaches the specified strength, attaching the polyethylene foam plastic plate to the concrete wall, screwing out the cone in the concrete, pulling out the iron nails on the polyethylene foam plastic plate, plugging the cone hole as required, and starting the next section of construction, wherein the detail is shown in figure 8.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may be made by those skilled in the art without departing from the principle of the invention.
Claims (7)
1. The construction method for installing and positioning the middle-buried rubber waterstop is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps of firstly, manufacturing a rubber water stop lower part assembly template and a rubber water stop upper part assembly template, wherein the rubber water stop lower part assembly template and the rubber water stop upper part assembly template respectively comprise a plywood (1), a secondary keel (2) and a deformation joint caulking plate (9), the secondary keel (2) is fixed on one side of the plywood (1), and the deformation joint caulking plate (9) is attached to the other side of the plywood (1);
secondly, cutting a deformation joint caulking plate (9) according to the size of the deformation joint, enabling the thickness of the deformation joint caulking plate (9) to be adapted to the width size of the deformation joint, cutting a lower water stop sitting groove at the upper end of the deformation joint caulking plate (9) of the lower rubber water stop belt assembly template, and cutting an upper water stop belt sitting groove at the lower end of the deformation joint caulking plate (9) of the upper rubber water stop belt assembly template;
step three, ligature waterstop reinforcing bar (6) and waterstop additional reinforcement, form the steel reinforcement skeleton after the ligature is accomplished, with first high-strength pull rod (5) and additional reinforcement welding, first high-strength pull rod (5) transversely set up, head installation cone (10), the position requirement of cone (10) is: after concrete is poured outside the steel bar framework, the cone (10) is positioned outside the concrete surface;
cutting a cone insertion hole at a preset position of one side surface of the deformation joint filling plate (9) back to the plywood (1), and drilling a butt joint through hole communicated with the cone insertion hole on the plywood (1);
step five, place rubber waterstop lower part assembly template by framework of steel reinforcement, movement joint-filling board (9) are towards framework of steel reinforcement, and rubber waterstop lower part assembly template is placed the position and is required to be: after concrete is poured outside the steel bar framework, the deformation joint filling plate (9) is attached to the surface of the concrete, and the deformation joint filling plate (9) is just positioned in a deformation joint; the cone (10) is inserted into the cone insertion hole;
step six, butting the lower part assembly template of the rubber waterstop with the lower part of a main keel (3), wherein the main keel (3) leans against a secondary keel (2) of the lower part assembly template of the rubber waterstop, a second high-strength pull rod (8) simultaneously penetrates through the main keel (3) and a butt-joint through hole of the lower part assembly template of the rubber waterstop, one end of the second high-strength pull rod is preliminarily screwed with a cone (10), and the other end of the second high-strength pull rod is preliminarily screwed through an external screwing device, so that the main keel (3), the lower part assembly template of the rubber waterstop and a steel reinforcement framework are connected with;
seventhly, installing a middle-buried rubber water stop (7): the middle embedded rubber water stop (7) is placed on the combined template at the lower part of the rubber water stop, the middle hollow ring of the middle embedded rubber water stop (7) is flatly placed in the water stop lower seat groove,
step eight, butting the upper assembly template of the rubber waterstop with the upper part of a main keel (3), wherein the main keel (3) leans against a secondary keel (2) of the upper assembly template of the rubber waterstop, a second high-strength pull rod (8) simultaneously penetrates through the main keel (3) and a butt-joint through hole of the upper assembly template of the rubber waterstop, one end of the second high-strength pull rod is preliminarily screwed with a cone (10), and the other end of the second high-strength pull rod is preliminarily screwed through an external screwing device to enable the main keel (3), the upper assembly template of the rubber waterstop and a steel reinforcement framework to be connected with each other; meanwhile, the upper seat groove of the water stop belt is covered on the middle hollow ring of the middle buried rubber water stop belt (7);
and ninthly, after the installation is finished, carrying out position inspection on the upper rubber water stop combined template, the lower rubber water stop combined template, the middle embedded rubber water stop (7) and the main keel (3), ensuring that the middle hollow ring of the middle embedded rubber water stop (7) is superposed with the central line of the deformation joint, then completely screwing each high-strength pull rod to integrally reinforce the template, erecting a pouring mold outside the steel reinforcement framework, and pouring concrete.
2. The method for installing, positioning and constructing the buried rubber waterstop according to claim 1, is characterized in that: also comprises the following steps:
step ten, removing the mold: and (3) removing the casting mold after the concrete reaches the specified strength, keeping the deformation joint caulking plate (9) in the deformation joint, unscrewing the second high-strength pull rod (8), taking down the main keel (3), separating the plywood (1) from the deformation joint caulking plate (9), screwing the cone (10) out of the concrete, plugging the cone hole as required, and starting the next section of construction.
3. The method for installing, positioning and constructing the buried rubber waterstop according to claim 2, is characterized in that: the deformation joint filling plate (9) is a polyethylene foam plastic plate.
4. The installation and positioning construction method of the buried rubber waterstop according to claim 3, which is characterized in that: in the second step, a foam electric heating knife is used for cutting the deformation joint filling plate (9).
5. The method for installing, positioning and constructing the buried rubber waterstop according to claim 4, wherein the method comprises the following steps: in the third step, the length of the cone (10) protruding out of the concrete surface is the width of the deformation joint required by the design drawing.
6. The method for installing, positioning and constructing the buried rubber waterstop according to claim 5, is characterized in that: and correspondingly, in the ninth step, the mode of separating the plywood (1) from the deformation joint filling plate (9) is to pull out the iron nails.
7. The method for installing, positioning and constructing the buried rubber waterstop according to claim 6, wherein the method comprises the following steps: in the fifth step, the external tightener used is a three-jaw nut (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811470879.0A CN109372133B (en) | 2018-12-04 | 2018-12-04 | Middle-buried rubber water stop installation and positioning construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811470879.0A CN109372133B (en) | 2018-12-04 | 2018-12-04 | Middle-buried rubber water stop installation and positioning construction method |
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| CN109372133B true CN109372133B (en) | 2020-08-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110714537A (en) * | 2019-09-23 | 2020-01-21 | 中国一冶集团有限公司 | Middle-buried water stop mounting die and mounting method thereof |
| CN112459129A (en) * | 2020-11-30 | 2021-03-09 | 中国一冶集团有限公司 | Expansion joint shaping mold device and construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102943530B (en) * | 2012-11-23 | 2015-03-18 | 中铁上海工程局有限公司第六分公司 | Construction method of embedded type ultra-thin steel edge rubber water stop fixing device |
| KR101372749B1 (en) * | 2013-07-15 | 2014-03-11 | (주)대한콜크 | Multi-performance functional water stop plate with composite structure |
| CN206053328U (en) * | 2016-08-02 | 2017-03-29 | 中建八局第三建设有限公司 | A kind of middle buried water stop fixing device |
| CN106758663B (en) * | 2016-12-16 | 2019-08-23 | 济南城建集团有限公司 | Buried rubber fastening band installs positioning construction method in one kind |
| CN107119727A (en) * | 2017-06-29 | 2017-09-01 | 遵化市水务局 | Additional bar fixes the concrete structure and its continuous placing construction method of waterstop |
| CN107975073A (en) * | 2017-12-08 | 2018-05-01 | 中建四局第六建筑工程有限公司 | A kind of comprehensive pipe gallery structure deformation joint formwork reinforcement construction method |
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