CN111335528A - Construction method for preventing slurry leakage at joint of prefabricated part and laminated slab - Google Patents
Construction method for preventing slurry leakage at joint of prefabricated part and laminated slab Download PDFInfo
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- CN111335528A CN111335528A CN202010142060.2A CN202010142060A CN111335528A CN 111335528 A CN111335528 A CN 111335528A CN 202010142060 A CN202010142060 A CN 202010142060A CN 111335528 A CN111335528 A CN 111335528A
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- 238000010276 construction Methods 0.000 title claims abstract description 41
- 239000002002 slurry Substances 0.000 title claims abstract description 23
- 239000004567 concrete Substances 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 22
- 230000008569 process Effects 0.000 claims abstract description 17
- 238000011900 installation process Methods 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 229910000746 Structural steel Inorganic materials 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
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- 239000011440 grout Substances 0.000 claims 5
- 238000009415 formwork Methods 0.000 claims 4
- 239000002131 composite material Substances 0.000 claims 3
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- 238000005520 cutting process Methods 0.000 abstract description 2
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- 238000004873 anchoring Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000002699 waste material Substances 0.000 description 5
- 238000009435 building construction Methods 0.000 description 4
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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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted 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
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
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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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
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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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
- E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
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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
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
- E04G21/185—Means for positioning building parts or elements for anchoring elements or elements to be incorporated in the structure
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a construction method for preventing slurry leakage at a joint of a prefabricated part and a laminated slab, which comprises the steps of drawing a processing drawing of a customizing tool, installing an embedded part in the prefabricated part, processing and manufacturing the customizing tool, installing a concrete prefabricated part, connecting the customizing tool with a bolt, erecting a laminated slab supporting frame, hoisting the laminated slab and pouring concrete. During the prefabrication process of the fabricated concrete precast beam, the prefabricated embedded part is positioned and installed in the mould, so that the opening of the mould can be avoided by using the embedded part, and the repeated use of a grinding tool is not influenced; the matching part is connected by using the bolt in the installation process, so that the cutting of the screw rod in the later period can be avoided, the construction difficulty is reduced, and the impression quality is improved.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a construction method for preventing slurry leakage at a joint part of a prefabricated part and a laminated slab.
Background
In recent years, real estate is rapidly developed, the living environment of the nation is obviously improved, and the environmental protection problems of dust emission, noise and the like in building construction also cause troubles to the nation life. With the increasing emphasis on environmental protection by governments and the public. Under the advocated of governments at all levels, green construction, intelligentization of building construction and building assembly type construction become the main trends of modern building construction; how to reduce the negative influence on the environment, how to reduce the waste of materials, how to increase the use efficiency of turnover materials and how to reduce the investment of field constructors in the construction process are the main problems which are constantly thought by modern construction enterprises; the lower surface of the laminated slab and the upper surface of a concrete precast beam (precast wallboard) cannot ensure 100% of flatness in the process of processing and prefabricating; in the actual installation process, a gap is inevitably generated at the lap joint of the laminated slab and the precast beam (precast wallboard); if no measures are taken in the concrete pouring process, under the action of construction load and concrete vibration, slurry leakage can be generated at the lap joint gap of the laminated slab and the precast beam (precast wallboard), and the impression quality of a finished product can be influenced.
The applicant of the invention finds that the traditional construction mode is to fix the L-shaped template at the gap of the precast beam (precast wallboard) by using the cement nails, and although the method can effectively control the slurry leakage phenomenon, the slurry leakage cannot be avoided; in the concrete pouring process of the template, the template is easy to deform under the extrusion action of slurry, and the seam joint is easy to float after the template is removed, so that the appearance quality is influenced. The mode of fixing the template by cement nails on the laminated slab and the precast beam (precast wallboard) destroys the integrity of the laminated slab and the precast beam (precast wallboard), generates fine cracks inside concrete, and even has the hidden trouble of water seepage of precast components in the near water environment.
Disclosure of Invention
The invention aims to provide a construction method for preventing slurry leakage at the joint of a prefabricated part and a laminated slab, aiming at improving the problem that the traditional construction method is to fix an L-shaped template at the gap of a prefabricated beam (prefabricated wall panel) by using a cement nail, which can effectively control the slurry leakage but can not avoid the slurry leakage; in the concrete pouring process of the template, the template is easy to deform under the extrusion action of slurry, and the seam joint is easy to float after the template is removed, so that the appearance quality is influenced. The mode of fixing the template by cement nails on the laminated slab and the precast beam (precast wallboard) destroys the integrity of the laminated slab and the precast beam (precast wallboard), generates fine cracks inside concrete, and even has the problem of hidden danger of water seepage of precast components in the near water environment.
The invention is realized by the following steps:
a construction method for avoiding slurry leakage at a joint of a prefabricated part and a laminated slab comprises drawing a processing drawing of a customizing tool, installing an embedded part in the prefabricated part, processing and manufacturing the customizing tool, installing a concrete prefabricated part, connecting the customizing tool with a bolt, erecting a laminated slab supporting frame, hoisting the laminated slab and pouring concrete.
Further, the process of drawing the machining diagram of the customized tool comprises the following steps: firstly, measuring the actual sizes of a prefabricated part and a laminated slab, then drawing the size of a customized tool to be processed according to actual requirements, wherein the customized tool is divided into three components, namely an embedded part, a customized tool and a connecting part, the embedded part is a conical nut with an anchoring end, the customized tool is a customized tool with a rubber gasket, and the connecting part is a harness cord screw, a nut and a metal gasket which are matched with the embedded conical nut; the type of the screw and the nut are matched with the embedded conical nut for use, and the specification is generally not larger than M8. The connecting piece only plays a fixed role in the installation process, and does not participate in stress calculation in the stress analysis of the support frame.
Further, the installation process of the embedded part in the prefabricated part is as follows: fixing the embedded part on the inner side of the pouring template, enabling one end of the embedded part to penetrate through the pouring template, fixing the embedded part on the inner side of the pouring template, and enabling the embedded part to be located in a reinforcement cage on the inner side of the pouring template; when the fabricated member (precast beam and precast wallboard) is produced, the conical nut with the anchoring end is placed in a mold through positioning and paying off, the anchoring end is connected with the precast member steel bar in a spot welding mode through 6mm positioning steel bar, so that the anchoring end is firmly fixed, the side face of the conical nut is attached to the fabricated template, and the positioning deviation is not more than 10 mm; after the embedded parts in the prefabricated parts are installed in place, before concrete is poured, hidden inspection and acceptance are required, and the installation positions and the quantity of the embedded parts are checked to determine whether the requirements of drawings are met.
The manufacturing process of the customized tool comprises the steps of measuring the size of the customized tool required by machining according to a drawn drawing, drilling holes in the angle iron by using a steel tape according to the size of an angle iron with the specification of 50mm × 50mm × 3mm or 50mm × 150mm × 3mm, customizing the height of a side wing according to installation requirements, wherein the height of the side wing can be 50 mm-200 mm, the width of an upper wing is generally 50mm, standard angle iron meeting the height requirements can be purchased according to the market, the width of the upper wing is not less than 40mm, the thickness of the upper wing is not less than 4mm, the side wing of the customized tool is provided with holes for penetrating screws to be fixed with the prefabricated components, the distance between the holes is 500 mm-1000 mm, the distance between the holes and the two ends of the assembled components is not more than 200mm, the upper surface of the angle iron wing is manufactured by the processing modes of acid washing, mechanical rolling and beating, a 4mm rubber gasket is mechanically roughened, one surface of the upper angle iron wing is kept smooth, and is not easy to generate friction displacement under the action of the angle iron.
Further, the concrete prefabricated parts are installed by fixing the finished customized parts to the embedded parts and fixing the customized parts by using nuts and spacers when in use.
Further, the installation process of the bolt connection customizing tool comprises the steps of installing the bolt and the processed customizing tool, and locking and fixing the bolt and the processed customizing tool by using double nuts; and hoisting the prefabricated parts (the concrete prefabricated beams and the concrete prefabricated wallboards) with the embedded parts in place according to a construction scheme, fixing the prefabricated parts by using the supporting frames, and checking the positioning deviation of the prefabricated parts to ensure that the installation deviation of the prefabricated parts is within an allowable range.
The method comprises the steps of setting a support frame of the laminated slab, arranging support rods on the support frame of the laminated slab according to a scheme, setting the distance between the support rods to be not more than 1200mm × 1200mm, arranging a plane layout of the support frame and the support system according to a special construction scheme, placing each adjustable base by using a spring line to ensure correct position, setting up the support system upright rods, adjusting the elevation on the square keel by using the adjustable bases or adjustable supporting seats, strictly operating according to a construction process, firstly combining four upright rods into a tower-type stabilizing body in a plane direction, then expanding the horizontal cross rods to the periphery after installing the horizontal cross rods, setting up a secondary layer after finishing building a layer in a vertical direction, pushing the secondary layer in a secondary mode, horizontally adjusting, marking the +0.500 horizontal mark on the periphery of the field, leveling through a pull-through line, controlling by using a horizontal ruler after the first step of support assembly, ensuring that each adjustable base reaches the same horizontal position, installing the adjustable supporting seats and the main keel, wherein the main keel is made of × 100mm, staggering when the main keel is lapped, and the length is not less than 300mm, and finally.
The construction process of hoisting the laminated slab comprises the following steps of adopting a special hoisting frame for hoisting the laminated slab, welding channel steel to form the hoisting frame, enabling the size to be 2m × 1m, enabling hoisting points to be symmetrical and uniform, smoothing steel wire ropes before hoisting, enabling the hoisting speed of a tower crane to be 0.5m/s, guaranteeing the laminated slab to be hoisted to the position above a site safely at a constant speed, building a laminated slab supporting system on the floor before hoisting, arranging a 100mm × 100mm square on the top, adjusting the elevation of a keel, measuring a positioning line of the laminated slab in advance on the top of a concrete prefabricated wallboard or a prefabricated beam, stopping the laminated slab from descending at a position 500mm away from the top of the wall when being hoisted, guiding the floor slab to fall on a wood keel by an operator according to the positioning line, attaching the edge of the laminated slab to a device for preventing slurry leakage, extending each edge of the laminated slab into the side line of the beam (wall) by 15mm, and stably removing a lifting.
Further, the construction process of concreting does, after face reinforcement is accomplished, reports the supervision and conceals the acceptance, and after the acceptance is qualified, pours the concrete according to the scheme to superimposed sheet and precast beam (prefabricated wallboard) seam position, owing to installed the customization instrument that prevents to leak the thick liquid. Rubber gaskets are placed at the upper wing ends of the angle irons, the edges of the laminated slabs are placed on the rubber gaskets at the upper wing ends of the angle irons, and the laminated slabs can be extruded with the rubber gaskets to be compact even if the bottoms of the laminated slabs are not flat under the action of the dead weight of the laminated slabs, so that slurry leakage is effectively prevented.
Compared with the prior art, the invention has the beneficial effects that:
(1) through letting customization instrument divide into built-in fitting and installed part, its built-in fitting has the internal thread, and the installed part has the mantle fiber, and the built-in fitting is used with the installed part is supporting, and the ann tears simply open.
(2) The prefabricated embedded parts are positioned, installed and placed in the mold in the prefabricating process of the prefabricated concrete beam (prefabricated wallboard), and the embedded parts can avoid the opening of the mold and do not influence the repeated use of the grinding tool; the matching part is connected by using the bolt in the installation process, so that the cutting of the screw rod in the later period can be avoided, the construction difficulty is reduced, and the impression quality is improved.
(3) Compared with the traditional method, the construction method can effectively reduce the use of mechanical equipment and the arrangement of labor force, improve the use efficiency of turnover materials and obviously reduce the construction cost.
(4) According to the customized drawing of the tool, corresponding materials can be bought in the market, the customized production can be realized on the spot, almost no waste materials are generated in the installation process, and the waste of the materials is avoided.
(5) The use is simple, and the scaffold is prevented from being erected; the damage to the structure in the traditional mode is also avoided; the rubber gasket can be tightly attached to the laminated plate surface, so that slurry leakage is avoided, and unevenness of the concrete surface after the form removal is avoided.
(6) And the engineering benefit is increased: the usage amount of the template is reduced by 100%, the customized tool is recycled, zero loss is almost achieved except for embedded parts, the material turnover rate is increased by 200%, the installation efficiency is improved by 50%, the invisible cost is reduced (material waste, labor waste and multiple supervision are wasted), and the economic and social benefits are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a construction flow chart of a construction method for preventing slurry leakage at a joint of a prefabricated part and a laminated slab according to the present invention;
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
A construction method for avoiding slurry leakage at a joint of a prefabricated part and a laminated slab comprises drawing a processing drawing of a customizing tool, installing an embedded part in the prefabricated part, processing and manufacturing the customizing tool, installing a concrete prefabricated part, connecting the customizing tool with a bolt, erecting a laminated slab supporting frame, hoisting the laminated slab and pouring concrete.
The process of drawing the machining diagram of the customized tool comprises the following steps: firstly, measuring the actual sizes of a prefabricated part and a laminated slab, then drawing the size of a customized tool to be processed according to actual requirements, wherein the customized tool is divided into three components, namely an embedded part, a customized tool and a connecting part, the embedded part is a conical nut with an anchoring end, the customized tool is a customized tool with a rubber gasket, and the connecting part is a harness cord screw, a nut and a metal gasket which are matched with the embedded conical nut; the type of the screw and the nut are matched with the embedded conical nut for use, and the specification is generally not larger than M8. The connecting piece only plays a fixed role in the installation process, and does not participate in stress calculation in the stress analysis of the support frame.
The installation process of the embedded part in the prefabricated part comprises the following steps: fixing the embedded part on the inner side of the pouring template, enabling one end of the embedded part to penetrate through the pouring template, fixing the embedded part on the inner side of the pouring template, and enabling the embedded part to be located in a reinforcement cage on the inner side of the pouring template; when the fabricated member (precast beam and precast wallboard) is produced, the conical nut with the anchoring end is placed in a mold through positioning and paying off, the anchoring end is connected with the precast member steel bar in a spot welding mode through 6mm positioning steel bar, so that the anchoring end is firmly fixed, the side face of the conical nut is attached to the fabricated template, and the positioning deviation is not more than 10 mm; after the embedded parts in the prefabricated parts are installed in place, before concrete is poured, hidden inspection and acceptance are required, and the installation positions and the quantity of the embedded parts are checked to determine whether the requirements of drawings are met.
The machining and manufacturing process of the customized tool comprises the steps of measuring the size of the customized tool required by machining according to a drawn drawing, then drilling holes in the angle iron by using a wrench, customizing the height of a side wing according to installation requirements, wherein the height of the side wing can be 50-200 mm, the width of an upper wing is generally 50mm, standard angle iron meeting the height requirements can be purchased according to the market, the width of the upper wing is not less than 40mm, the thickness of the upper wing is not less than 4mm, the side wing of the customized tool is provided with holes for fixing a screw rod with a prefabricated component, the distance between the holes is 500-1000 mm, the hole positions away from two ends of the assembled component are not more than 200mm, the upper surface of the upper wing of the angle iron is manufactured in a pickling, mechanical rolling and other processing mode, a 4mm rubber gasket is used for roughening one side of the angle iron, the other side of the angle iron is kept smooth, the roughened surface of the upper wing of the angle iron and the roughened surface of the angle iron are placed under the action of friction, and the effect of displacement is not easy to occur.
The concrete prefabricated part is installed by fixing the machined customized part on the embedded part and fixing the customized part by using a nut and a gasket when in use.
The installation process of the bolt connection customizing tool comprises the steps of installing a bolt and the processed customizing tool, and locking and fixing the bolt and the processed customizing tool by using double nuts; and hoisting the prefabricated parts (the concrete prefabricated beams and the concrete prefabricated wallboards) with the embedded parts in place according to a construction scheme, fixing the prefabricated parts by using the supporting frames, and checking the positioning deviation of the prefabricated parts to ensure that the installation deviation of the prefabricated parts is within an allowable range.
The method comprises the steps of setting up a support frame of the laminated slab, setting up the spacing between support rods on the support frame of the laminated slab according to a scheme, setting up the spacing between upright rods to be not more than 1200mm × 1200mm, setting up each adjustable base by using elastic lines according to a special construction scheme and a support system plane layout drawing during construction to ensure correct positions, setting up upright rods of the support system, adjusting the elevation on a wooden keel by using the adjustable bases or adjustable supporting seats, operating strictly according to a construction flow, firstly combining four upright rods into a tower-type stabilizing body in a plane direction, installing horizontal cross rods, then expanding towards the periphery, setting up a secondary layer after one layer is built up in a vertical direction, pushing by secondary groups, horizontally adjusting, marking +0.500 horizontal marks around the field, drawing through lines for leveling, controlling by using a horizontal ruler after the first step of support assembly is completed, ensuring that each adjustable base reaches the same horizontal position, installing the adjustable supporting seats and the main keel, setting up the adjustable supporting seats and the main keel by using 100mm × 100mm wooden keel, staggering the main keel when the main keel is lapped, wherein the length is not less.
The construction process for hoisting the laminated slab comprises the steps of adopting a special hoisting frame for hoisting the laminated slab, welding the hoisting frame by channel steel, enabling the size to be 2m × 1m, enabling hoisting points to be symmetrical and uniform, straightening steel wires before hoisting, enabling the hoisting speed of a tower crane to be 0.5m/s, guaranteeing the laminated slab to be hoisted to the position above a site safely at a constant speed, building a laminated slab supporting system on the floor before hoisting, arranging a 100mm × 100mm square on the top, adjusting the elevation of a keel, measuring a positioning line of the laminated slab in advance on the top of a concrete prefabricated wallboard or a prefabricated beam, stopping the laminated slab from descending at a position 500mm away from the top of the wall when being hoisted, guiding the floor to descend to a wood keel by an operator according to the positioning line, attaching the edge of the laminated slab to a device for preventing and preventing slurry leakage of the laminated slab, extending each edge of the laminated slab into the side line of the beam (wall) by 15 mm.
The construction process of pouring concrete is that after the binding of the steel bars on the plate surface is finished, the report and supervision are concealed and accepted, after the acceptance is qualified, the concrete is poured according to the scheme, and the joint position of the laminated slab and the precast beam (precast wallboard) is provided with a customizing tool for preventing slurry leakage. Rubber gaskets are placed at the upper wing ends of the angle irons, the edges of the laminated slabs are placed on the rubber gaskets at the upper wing ends of the angle irons, and the laminated slabs can be extruded with the rubber gaskets to be compact even if the bottoms of the laminated slabs are not flat under the action of the dead weight of the laminated slabs, so that slurry leakage is effectively prevented.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a construction method of grout leakage is avoided with superimposed sheet seam position to prefabricated component which characterized in that: the method comprises the steps of drawing a processing drawing of a customizing tool, installing embedded parts in prefabricated parts, processing and manufacturing the customizing tool, installing concrete prefabricated parts, connecting the customizing tool with bolts, erecting a laminated slab supporting frame, hoisting the laminated slab and pouring concrete.
2. The construction method for avoiding grout leakage at the joint of a prefabricated part and a laminated slab as claimed in claim 1, wherein the process of drawing the processing diagram of the customizing tool comprises: firstly, measuring the actual sizes of the prefabricated parts and the laminated plates, and then drawing the size of the customized tool to be processed according to actual requirements.
3. The construction method for avoiding the leakage of the grout at the joint part of the prefabricated part and the composite slab as claimed in claim 2, wherein the installation process of the embedded part in the prefabricated part is as follows: the embedded parts are fixed on the inner sides of the pouring formworks, one ends of the embedded parts penetrate through the pouring formworks, the embedded parts on the inner sides of the pouring formworks are fixed, and the embedded parts are located in the reinforcement cages on the inner sides of the pouring formworks.
4. The construction method for preventing slurry leakage at the joint of a prefabricated part and a laminated slab as claimed in claim 3, wherein the customized tool is manufactured by drawing a drawing to a customized tool required for machining, the customized tool is selected from an angle iron with a specification of 50mm × 50mm × 3mm or 50mm × 150mm × 3mm, the size of the angle iron is measured by using a steel tape measure, and then a wrench is used to drill the angle iron.
5. The construction method for preventing grout leakage at the joint of a prefabricated part and a composite slab as claimed in claim 4, wherein the concrete prefabricated part is installed by fixing the customized prefabricated part after being processed on the embedded part and fixing the customized prefabricated part by using nuts and washers when in use.
6. The construction method for preventing grout leakage at the joint of a prefabricated part and a laminated slab as claimed in claim 5, wherein the bolt connection customizing tool is installed by installing a bolt and a finished customizing tool and locking and fixing the bolt and the finished customizing tool by using double nuts.
7. The construction method for avoiding mortar leakage at the joint of the prefabricated part and the laminated slab as claimed in claim 6, wherein the mounting process of the built laminated slab supporting frame is that the distance between the supporting rods on the laminated slab supporting frame is set according to a scheme, and the distance between the vertical rods is not more than 1200mm × 1200 mm.
The construction method for avoiding mortar leakage at the joint of the prefabricated part and the laminated slab as claimed in claim 7, wherein the construction process for hoisting the laminated slab is that a special hanger is adopted for hoisting the laminated slab, the hanger is formed by welding channel steel, the size of the hanger is 2m × 1m, the hanging points are symmetrically and uniformly installed, the steel wire rope is smoothed out before hoisting, the hoisting speed of a tower crane is 0.5m/s, and the laminated slab is guaranteed to be hoisted to the position above the site at a constant speed and safely.
8. The construction method for avoiding the slurry leakage at the joint of the prefabricated part and the composite slab as claimed in claim 8, wherein the concrete is poured according to a scheme after the reinforcement bars on the slab surface are bound and the supervision is reported to conceal the acceptance and acceptance are passed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010142060.2A CN111335528A (en) | 2020-03-04 | 2020-03-04 | Construction method for preventing slurry leakage at joint of prefabricated part and laminated slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010142060.2A CN111335528A (en) | 2020-03-04 | 2020-03-04 | Construction method for preventing slurry leakage at joint of prefabricated part and laminated slab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111335528A true CN111335528A (en) | 2020-06-26 |
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| CN202010142060.2A Withdrawn CN111335528A (en) | 2020-03-04 | 2020-03-04 | Construction method for preventing slurry leakage at joint of prefabricated part and laminated slab |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113818613A (en) * | 2021-10-13 | 2021-12-21 | 广东蕉岭建筑工程集团有限公司 | Device for preventing slurry leakage at joint part of prefabricated part and laminated slab |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113818613A (en) * | 2021-10-13 | 2021-12-21 | 广东蕉岭建筑工程集团有限公司 | Device for preventing slurry leakage at joint part of prefabricated part and laminated slab |
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Application publication date: 20200626 |