CN114059782A - Construction method of prefabricated slab - Google Patents
Construction method of prefabricated slab Download PDFInfo
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- CN114059782A CN114059782A CN202111550239.2A CN202111550239A CN114059782A CN 114059782 A CN114059782 A CN 114059782A CN 202111550239 A CN202111550239 A CN 202111550239A CN 114059782 A CN114059782 A CN 114059782A
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- wall
- prefabricated
- construction
- wallboard
- wall board
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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
- E04G21/162—Handles to carry construction blocks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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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
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
-
- 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
- E04G21/167—Tools or apparatus specially adapted for working-up plates, panels or slab shaped building elements
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a construction method of an assembled prefabricated slab, and relates to the technical field of prefabricated slabs. The construction method of the prefabricated slab specifically comprises the following operations: a factory manufacturing stage: manufacturing a mold according to a required shape → binding steel bars → symmetrically embedding rubber air bags in the wall → embedding steel plates in easy-to-crack parts such as window frame parts, variable cross-section parts and thin wall parts → embedding sealing strips → pouring common concrete containing a small amount of fiber concrete or using an embedded steel wire mesh reinforcing layer → coagulating and hardening → steam pressure curing → finished product quality inspection → delivery acceptance. The construction method of the prefabricated plate effectively solves the common construction problems that water is easy to seep among abutted seams of the wall plates, the wall plates are inconvenient to hoist due to large dead weight, the wall plates are easy to crack to influence the impression, the bottoms of the wall plates and the ground are not tight, slurry is easy to leak during grouting, and the like, can simplify the construction process under the existing construction conditions, and reasonably utilizes constructional measures to ensure the construction quality.
Description
Technical Field
The invention relates to the technical field of prefabricated slabs, in particular to a construction method of an assembled prefabricated slab.
Background
In recent years, with the rapid development of Chinese economy and the trend of people to good life, the building technology is continuously improved, and the construction of the fabricated structure becomes the development trend of the building industry. The fabricated building has the advantages of high construction speed, lower production cost, convenient maintenance, small size deviation and the like, but has the defects of easy water seepage among the abutted seams of the wallboards, inconvenient hoisting of the wallboards with larger self weight, easy occurrence of cracks on the wallboards, influence on quality and appearance, poor sealing of the bottoms of the wallboards and the ground, easy slurry leakage during grouting and the like, and is not beneficial to construction. Under the existing construction method, the prefabricated wall panel is influenced by unreasonable hoisting method, bumpiness in the way and the like during the manufacturing, maintenance and transportation to the site of a prefabricating and processing factory, and the quality and the appearance of the component are influenced by the cracks on a window frame part, a variable cross section part and a thin wall part. The two plates are connected into a whole by a cast-in-place hidden column method, and water leakage is easily caused by the fact that the cast-in-place hidden column and the prefabricated plates cannot be well combined due to the influences of incomplete roughening of the water washing surface of the prefabricated plate, incomplete vibration of cast-in-place concrete, slag inclusion of a template and the like.
In the prior art, the self weight of the wallboard is influenced by the weight of concrete and steel bars generally and is heavier, the heavy tower crane is required to be matched to increase the construction cost, the load is larger, the requirement of reducing the load of a high-rise building cannot be met, a gap exists between the bottom of the wallboard and the ground of a lower layer, although the wallboard can be plugged by the traditional methods of grouting, nailing and pressing a sealing strip and the like, the situation of slurry leakage caused by tight plugging is easy to occur, the situation that the slurry is not fully injected is increased, the risk that the structure safety is influenced due to the existence of a cavity in the structure, and the situation that the slurry is wasted is also caused.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a construction method of an assembled precast slab, which solves the problems that in the prior art, the self weight of a wallboard is generally affected by the weight of concrete and steel bars, a heavy tower crane is required to be matched to increase the construction cost, the load is large, the requirement of reducing the load of a high-rise building cannot be met, a gap exists between the bottom of the wallboard and the lower floor, although the wallboard can be filled by the traditional methods such as grouting and nailing a sealing strip, the situation of slurry leakage caused by the tight plugging is still easy to occur, the problems that the grouting is not full, the risk of affecting the structure safety due to the cavity in the structure is increased, and the situation of wasting the grouting material is caused are solved.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a construction method of an assembled precast slab specifically comprises the following operations:
a factory manufacturing stage: manufacturing a mold according to a required shape → binding steel bars → symmetrically embedding rubber air bags in a wall → embedding steel plates in easy-to-crack parts such as a window frame part, a variable cross section part and a thin wall part → embedding sealing strips → pouring common concrete containing a small amount of fiber concrete or using an embedded steel wire mesh reinforcing layer → coagulating and hardening → autoclaved curing → finished product quality inspection → delivery acceptance;
the method at the field construction stage comprises the following steps: the quality problems of no crack, no edge, no corner and the like are confirmed by acceptance on the approach → the prefabricated panel is hoisted to a construction area from a storage place by adopting hoisting machinery such as a tower crane and the like → the panel is positioned, the position of a male groove and a female groove is calibrated → the panel is hoisted to a floor slab slowly in a descending way, the condition of the contact surface of a bottom sealing strip and the floor slab is checked → the installation verticality of the panel is calibrated → the operation is finished;
in the construction process, quality problems such as no crack, no edge missing, no corner falling and the like are confirmed by field acceptance, and the plates are classified and stored in a specification after acceptance;
the member is hoisted by adopting a beam, so that the hoisting point on the member is vertically stressed. And the hoisting uses a profile steel carrying pole. The reasonable lifting points are adopted according to the positions of the lifting rings of the prefabricated wall panels, the steel wire ropes are connected with the reserved lifting rings of the external wall panels through shackles, the steel wire ropes are suspended after being lifted to a distance of 500mm, the stability of a crane, the reliability of a braking device, the binding firmness and the like are checked, the appearance quality of a component is checked, the lifting can be continued after the lifting rings are connected without errors, and the steel wire ropes are lifted. The hoisted structure must not be stopped in the air for a long time. Heavy components and equipment with overloads and unknown hoisting weights are strictly forbidden, hoisting is required to be slow and uniform, and the edge of the prefabricated wallboard is guaranteed not to be damaged. 2-8 lifting points are needed, and the uniform stress of each lifting point is ensured;
when the prefabricated wall board is hoisted, a tower crane is required to slowly hoist, when the prefabricated wall board is hoisted to the upper part of an operation layer, a hoisting worker pulls the descending position of a control board with a cable rope hung in advance until the position is 1m away from the ground, the two ends of the hoisting worker grasp the wall board and slowly descend the wall board, a mirror is placed below the wall board so as to be convenient for aligning with a tendon inserting hole, fine adjustment is carried out by using a pull ring inclined support, and the prefabricated wall board is matched with measuring tools such as a level gauge, a line weight, a guiding ruler and the like until the positioning is accurate and then is fixed;
the inclined supporting rod of the prefabricated wall board is installed on the prefabricated wall board reserved sleeve connecting piece through a bolt, the lower end of the inclined supporting rod is connected with the prefabricated plate and is pre-embedded, or an expansion bolt is fixed, a riveting ring is fixed, the anchoring length and specification of the riveting ring meet 9.7.6 related requirements in GB50010-2010 concrete structure design specifications, the prefabricated wall board is subjected to verticality adjustment according to guiding rule scale adjustment until the dimension of the wall board reaches the design requirements, the bottom of the wall is rechecked through a control line which is used for measuring the distance of 300mm left by paying-off before, and the position accuracy of the wall board is further controlled. After the verticality and the position meet the design requirements, a positioning piece is arranged at the bottom of the wall for fixing, and a pull ring at the lower end of the diagonal support is locked to prevent the verticality deviation caused by the manual rotation of the diagonal support;
the specific adjustment and correction measures are as follows:
horizontal position correction measures in the directions of the parallel wall boards and the vertical wall boards: the wallboard position is corrected by popping up a wallboard control line on the floor surface, and the wallboard is positioned according to the position line. If the horizontal position has deviation and needs to be adjusted, the pry bar can be used for fine adjustment.
And (3) wallboard perpendicularity correcting measures: treat that the wallboard level is just for adjusting the back that finishes, utilize the pull ring bearing diagonal to adjust, put the guiding rule on the wallboard smooth surface, then know yardstick and reach the design requirement with direction of rotation regulation bearing diagonal simultaneously, the guiding rule inspection wallboard levelness is put to the wall side, through add and subtract the direct levelness of cushion and reach the design requirement can.
The installation and removal requirements of the inclined support and the positioning piece are as follows: the fixed height of the diagonal bracing wall plate is 2.25m, the horizontal distance between a riveting ring connected with the lower end and the wall plate is 1.4m, the installation angle is 45-60 degrees, the dismounting and installation time is shown as a time node in a construction flow chart, the dismounting time of the diagonal bracing is after the pouring of the concrete of the floor slab is completed, and the strength of the cast-in-place concrete reaches more than 1.2 Mpa. The positioning piece is connected with the wallboard and the floor slab through the embedded sleeve bolt.
Thereby completing the construction operation.
(III) advantageous effects
The invention provides a construction method of an assembled precast slab. The method has the following beneficial effects:
the construction method of the prefabricated plate effectively solves the common construction problems that water is easy to seep among abutted seams of the wall plates, the wall plates are inconvenient to hoist due to large dead weight, the wall plates are easy to crack to influence the impression, the bottoms of the wall plates and the ground are not tight, slurry is easy to leak during grouting, and the like, can simplify the construction process under the existing construction conditions, and reasonably utilizes constructional measures to ensure the construction quality.
Drawings
FIG. 1 is a schematic view of the hoisting of the prefabricated vertical wall panel of the present invention during construction;
FIG. 2 is a schematic view of the hoisting of the prefabricated horizontal floor slab in the construction process of the invention;
FIG. 3 is a diagram of a hanging point node of the present invention;
FIG. 4 is a prefabricated wall panel construction of the present invention;
FIG. 5 is a schematic view of a male and female slot at the junction of two prefabricated panels according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a construction method of an assembled precast slab specifically comprises the following operations:
a factory manufacturing stage: manufacturing a mold according to a required shape → binding steel bars → symmetrically embedding rubber air bags in a wall → embedding steel plates in easy-to-crack parts such as a window frame part, a variable cross section part and a thin wall part → embedding sealing strips → pouring common concrete containing a small amount of fiber concrete or using an embedded steel wire mesh reinforcing layer → coagulating and hardening → autoclaved curing → finished product quality inspection → delivery acceptance;
the method at the field construction stage comprises the following steps: the quality problems of no crack, no edge, no corner and the like are confirmed by acceptance on the approach → the prefabricated panel is hoisted to a construction area from a storage place by adopting hoisting machinery such as a tower crane and the like → the panel is positioned, the position of a male groove and a female groove is calibrated → the panel is hoisted to a floor slab slowly in a descending way, the condition of the contact surface of a bottom sealing strip and the floor slab is checked → the installation verticality of the panel is calibrated → the operation is finished;
in the construction process, quality problems such as no crack, no edge missing, no corner falling and the like are confirmed by field acceptance, and the plates are classified and stored in a specification after acceptance;
the member is hoisted by adopting a beam, so that the hoisting point on the member is vertically stressed. And the hoisting uses a profile steel carrying pole. The reasonable lifting points are adopted according to the positions of the lifting rings of the prefabricated wall panels, the steel wire ropes are connected with the reserved lifting rings of the external wall panels through shackles, the steel wire ropes are suspended after being lifted to a distance of 500mm, the stability of a crane, the reliability of a braking device, the binding firmness and the like are checked, the appearance quality of a component is checked, the lifting can be continued after the lifting rings are connected without errors, and the steel wire ropes are lifted. The hoisted structure must not be stopped in the air for a long time. Heavy components and equipment with overloads and unknown hoisting weights are strictly forbidden, hoisting is required to be slow and uniform, and the edge of the prefabricated wallboard is guaranteed not to be damaged. 2-8 lifting points are needed, and the uniform stress of each lifting point is ensured;
when the prefabricated wall board is hoisted, a tower crane is required to slowly hoist, when the prefabricated wall board is hoisted to the upper part of an operation layer, a hoisting worker pulls the descending position of a control board with a cable rope hung in advance until the position is 1m away from the ground, the two ends of the hoisting worker grasp the wall board and slowly descend the wall board, a mirror is placed below the wall board so as to be convenient for aligning with a tendon inserting hole, fine adjustment is carried out by using a pull ring inclined support, and the prefabricated wall board is matched with measuring tools such as a level gauge, a line weight, a guiding ruler and the like until the positioning is accurate and then is fixed;
the inclined supporting rod of the prefabricated wall board is installed on the prefabricated wall board reserved sleeve connecting piece through a bolt, the lower end of the inclined supporting rod is connected with the prefabricated plate and is pre-embedded, or an expansion bolt is fixed, a riveting ring is fixed, the anchoring length and specification of the riveting ring meet 9.7.6 related requirements in GB50010-2010 concrete structure design specifications, the prefabricated wall board is subjected to verticality adjustment according to guiding rule scale adjustment until the dimension of the wall board reaches the design requirements, the bottom of the wall is rechecked through a control line which is used for measuring the distance of 300mm left by paying-off before, and the position accuracy of the wall board is further controlled. After the verticality and the position meet the design requirements, a positioning piece is arranged at the bottom of the wall for fixing, and a pull ring at the lower end of the diagonal support is locked to prevent the verticality deviation caused by the manual rotation of the diagonal support;
the specific adjustment and correction measures are as follows:
horizontal position correction measures in the directions of the parallel wall boards and the vertical wall boards: the wallboard position is corrected by popping up a wallboard control line on the floor surface, and the wallboard is positioned according to the position line. If the horizontal position has deviation and needs to be adjusted, the pry bar can be used for fine adjustment.
And (3) wallboard perpendicularity correcting measures: treat that the wallboard level is just for adjusting the back that finishes, utilize the pull ring bearing diagonal to adjust, put the guiding rule on the wallboard smooth surface, then know yardstick and reach the design requirement with direction of rotation regulation bearing diagonal simultaneously, the guiding rule inspection wallboard levelness is put to the wall side, through add and subtract the direct levelness of cushion and reach the design requirement can.
The installation and removal requirements of the inclined support and the positioning piece are as follows: the fixed height of the diagonal bracing wall plate is 2.25m, the horizontal distance between a riveting ring connected with the lower end and the wall plate is 1.4m, the installation angle is 45-60 degrees, the dismounting and installation time is shown as a time node in a construction flow chart, the dismounting time of the diagonal bracing is after the pouring of the concrete of the floor slab is completed, and the strength of the cast-in-place concrete reaches more than 1.2 Mpa. The positioning piece is connected with the wallboard and the floor slab through the embedded sleeve bolt.
Thereby completing the construction operation.
In conclusion, the construction method of the prefabricated plate effectively solves the common construction problems that water is easy to seep among abutted seams of the wall plates, the wall plates are inconvenient to hoist due to large dead weight, the appearance of the wall plates is influenced due to cracks, the bottoms of the wall plates and the ground are not tightly sealed, slurry is easy to leak during grouting, and the like, can simplify the construction process under the existing construction conditions, and reasonably utilizes constructional measures to ensure the construction quality.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. A construction method of an assembled precast slab is characterized in that: the specific operation is as follows:
a factory manufacturing stage: manufacturing a mold according to a required shape → binding steel bars → symmetrically embedding rubber air bags in a wall → embedding steel plates in easy-to-crack parts such as a window frame part, a variable cross section part and a thin wall part → embedding sealing strips → pouring common concrete containing a small amount of fiber concrete or using an embedded steel wire mesh reinforcing layer → coagulating and hardening → autoclaved curing → finished product quality inspection → delivery acceptance;
the method at the field construction stage comprises the following steps: the quality problems of no crack, no edge, no corner and the like are confirmed by acceptance on the approach → the prefabricated panel is hoisted to a construction area from a storage place by adopting hoisting machinery such as a tower crane and the like → the panel is positioned, the position of a male groove and a female groove is calibrated → the panel is hoisted to a floor slab slowly in a descending way, the condition of the contact surface of a bottom sealing strip and the floor slab is checked → the installation verticality of the panel is calibrated → the operation is finished;
in the construction process, quality problems such as no crack, no edge missing, no corner falling and the like are confirmed by field acceptance, and the plates are classified and stored in a specification after acceptance;
the member is hoisted by adopting a beam, so that the hoisting point on the member is vertically stressed. And the hoisting uses a profile steel carrying pole. The reasonable lifting points are adopted according to the positions of the lifting rings of the prefabricated wall panels, the steel wire ropes are connected with the reserved lifting rings of the external wall panels through shackles, the steel wire ropes are suspended after being lifted to a distance of 500mm, the stability of a crane, the reliability of a braking device, the binding firmness and the like are checked, the appearance quality of a component is checked, the lifting can be continued after the lifting rings are connected without errors, and the steel wire ropes are lifted. The hoisted structure must not be stopped in the air for a long time. Heavy components and equipment with overloads and unknown hoisting weights are strictly forbidden, hoisting is required to be slow and uniform, and the edge of the prefabricated wallboard is guaranteed not to be damaged. 2-8 lifting points are needed, and the uniform stress of each lifting point is ensured;
when the prefabricated wall board is hoisted, a tower crane is required to slowly hoist, when the prefabricated wall board is hoisted to the upper part of an operation layer, a hoisting worker pulls the descending position of a control board with a cable rope hung in advance until the position is 1m away from the ground, the two ends of the hoisting worker grasp the wall board and slowly descend the wall board, a mirror is placed below the wall board so as to be convenient for aligning with a tendon inserting hole, fine adjustment is carried out by using a pull ring inclined support, and the prefabricated wall board is matched with measuring tools such as a level gauge, a line weight, a guiding ruler and the like until the positioning is accurate and then is fixed;
the inclined supporting rod of the prefabricated wall board is installed on the prefabricated wall board reserved sleeve connecting piece through a bolt, the lower end of the inclined supporting rod is connected with the prefabricated plate and is pre-embedded, or an expansion bolt is fixed, a riveting ring is fixed, the anchoring length and specification of the riveting ring meet 9.7.6 related requirements in GB50010-2010 concrete structure design specifications, the prefabricated wall board is subjected to verticality adjustment according to guiding rule scale adjustment until the dimension of the wall board reaches the design requirements, the bottom of the wall is rechecked through a control line which is used for measuring the distance of 300mm left by paying-off before, and the position accuracy of the wall board is further controlled. After the verticality and the position meet the design requirements, a positioning piece is arranged at the bottom of the wall for fixing, and a pull ring at the lower end of the diagonal support is locked to prevent the verticality deviation caused by the manual rotation of the diagonal support;
the specific adjustment and correction measures are as follows:
horizontal position correction measures in the directions of the parallel wall boards and the vertical wall boards: the wallboard position is corrected by popping up a wallboard control line on the floor surface, and the wallboard is positioned according to the position line. If the horizontal position has deviation and needs to be adjusted, the pry bar can be used for fine adjustment.
And (3) wallboard perpendicularity correcting measures: treat that the wallboard level is just for adjusting the back that finishes, utilize the pull ring bearing diagonal to adjust, put the guiding rule on the wallboard smooth surface, then know yardstick and reach the design requirement with direction of rotation regulation bearing diagonal simultaneously, the guiding rule inspection wallboard levelness is put to the wall side, through add and subtract the direct levelness of cushion and reach the design requirement can.
The installation and removal requirements of the inclined support and the positioning piece are as follows: the fixed height of the diagonal bracing wall plate is 2.25m, the horizontal distance between a riveting ring connected with the lower end and the wall plate is 1.4m, the installation angle is 45-60 degrees, the dismounting and installation time is shown as a time node in a construction flow chart, the dismounting time of the diagonal bracing is after the pouring of the concrete of the floor slab is completed, and the strength of the cast-in-place concrete reaches more than 1.2 Mpa. The positioning piece is connected with the wallboard and the floor slab through the embedded sleeve bolt.
Thereby completing the construction operation.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115126257A (en) * | 2022-07-31 | 2022-09-30 | 中冶建工集团有限公司 | Full-penetration construction method for assembly type building process |
CN116281603A (en) * | 2023-05-16 | 2023-06-23 | 河北倚天建筑科技有限公司 | Wallboard hoisting device for mounting prefabricated structure |
CN117236568A (en) * | 2023-11-13 | 2023-12-15 | 山东九巨龙建设集团有限公司 | Method and system for mounting and constructing management of prefabricated wall panel |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105464244A (en) * | 2015-10-30 | 2016-04-06 | 江苏中南建筑产业集团有限责任公司 | Prefabricated integrated shear wall construction method |
CN110107094A (en) * | 2019-04-01 | 2019-08-09 | 南京市第九建筑安装工程有限公司 | The quick location and installation construction method of fabricated construction concrete vertical member |
CN111519909A (en) * | 2020-04-27 | 2020-08-11 | 贵州建工集团第三建筑工程有限责任公司 | Construction process flow of assembled shear wall structure |
CN212358711U (en) * | 2020-05-19 | 2021-01-15 | 新疆八一钢铁股份有限公司 | Steel construction assembled wallboard convenient to installation |
CN112854745A (en) * | 2021-03-01 | 2021-05-28 | 中建八局发展建设有限公司 | Construction process of assembled building aluminum alloy template |
-
2021
- 2021-12-17 CN CN202111550239.2A patent/CN114059782A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105464244A (en) * | 2015-10-30 | 2016-04-06 | 江苏中南建筑产业集团有限责任公司 | Prefabricated integrated shear wall construction method |
CN110107094A (en) * | 2019-04-01 | 2019-08-09 | 南京市第九建筑安装工程有限公司 | The quick location and installation construction method of fabricated construction concrete vertical member |
CN111519909A (en) * | 2020-04-27 | 2020-08-11 | 贵州建工集团第三建筑工程有限责任公司 | Construction process flow of assembled shear wall structure |
CN212358711U (en) * | 2020-05-19 | 2021-01-15 | 新疆八一钢铁股份有限公司 | Steel construction assembled wallboard convenient to installation |
CN112854745A (en) * | 2021-03-01 | 2021-05-28 | 中建八局发展建设有限公司 | Construction process of assembled building aluminum alloy template |
Non-Patent Citations (2)
Title |
---|
180****3880: "https://max.book118.com/html/2021/0225/7115162122003060.shtm", 《原创力文档》 * |
郑佳锌: "装配式混凝土结构构件生产和施工关键问题研究", 《中国优秀硕士学位论文全文数据库 (工程科技Ⅱ辑)》 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115126257A (en) * | 2022-07-31 | 2022-09-30 | 中冶建工集团有限公司 | Full-penetration construction method for assembly type building process |
CN116281603A (en) * | 2023-05-16 | 2023-06-23 | 河北倚天建筑科技有限公司 | Wallboard hoisting device for mounting prefabricated structure |
CN116281603B (en) * | 2023-05-16 | 2023-07-21 | 河北倚天建筑科技有限公司 | Wallboard hoisting device for mounting prefabricated structure |
CN117236568A (en) * | 2023-11-13 | 2023-12-15 | 山东九巨龙建设集团有限公司 | Method and system for mounting and constructing management of prefabricated wall panel |
CN117236568B (en) * | 2023-11-13 | 2024-03-08 | 山东九巨龙建设集团有限公司 | Method and system for mounting and constructing management of prefabricated wall panel |
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