CN113090022A - Site construction method for assembled shear wall structure wallboard in hot-in-summer and warm-in-winter areas - Google Patents
Site construction method for assembled shear wall structure wallboard in hot-in-summer and warm-in-winter areas Download PDFInfo
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- CN113090022A CN113090022A CN202110231495.9A CN202110231495A CN113090022A CN 113090022 A CN113090022 A CN 113090022A CN 202110231495 A CN202110231495 A CN 202110231495A CN 113090022 A CN113090022 A CN 113090022A
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- grouting
- positioning
- steel bars
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- 238000010276 construction Methods 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 43
- 239000010959 steel Substances 0.000 claims abstract description 43
- 239000002002 slurry Substances 0.000 claims abstract description 26
- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- 229920000742 Cotton Polymers 0.000 claims abstract description 6
- 239000006260 foam Substances 0.000 claims abstract description 6
- 239000011083 cement mortar Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 22
- 239000011440 grout Substances 0.000 claims description 20
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 8
- 238000005553 drilling Methods 0.000 claims description 3
- 238000009415 formwork Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 5
- 239000002356 single layer Substances 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 19
- 238000000034 method Methods 0.000 description 11
- 239000004570 mortar (masonry) Substances 0.000 description 10
- 238000007689 inspection Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009435 building construction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011268 mixed slurry Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 210000003195 fascia Anatomy 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
Abstract
The invention provides an on-site construction method of an assembled shear wall structure wallboard in a hot-in-summer and warm-in-winter area, which is matched with a BIM and an integrated design mode, firstly lofting an upper prefabricated wall body at a conversion part, positioning reserved steel bars through three rechecking, and controlling the positioning precision of lower cast-in-place wall body steel bars at the conversion part to complete the installation of the upper prefabricated wall body; after the wall body is hoisted in place, the longer wall body is treated in bins, the horizontal joint is divided into two bins by using the base slurry, and the horizontal joint is blocked by using C-shaped steel, foam cotton and expansion bolts before grouting on the outer side of the outer wall; the inner side and the inner wall of the outer wall are provided with plastic angle bars, the fullness is checked through an observation hole sleeve after the plastic angle bars are plugged by cement mortar, and if part of slurry falls back due to the emptying of air in the bottom bin, the slurry is timely replenished. The invention solves the difficult problem of positioning the steel bars at the conversion part, completes the inner and outer side plugging of the single-layer wallboard under the condition of not losing the section of the wall body, has effective and simple checking compensation measures and has more obvious social benefit.
Description
Technical Field
The invention relates to the field of building construction, in particular to a site construction method for a wallboard of an assembled shear wall structure in hot summer and warm winter.
Background
The international pressure in the building industry is getting bigger and bigger, and a new industry mode of prefabricating the assembly type building one by one is generated to improve the core competitiveness. The assembly type building pays attention to the protection of the environment and resources, effectively reduces the emission of harmful gas and dust of the building and the pollution of building noise in the construction process, reduces various influences of building construction on the surrounding environment, is beneficial to improving the labor productivity of the building, promotes the refinement of design and building, promotes the overall quality of the building and the energy-saving and emission-reducing water rate, promotes the healthy and sustainable development of the building industry in China, and meets the requirements of national economic development.
In the assembly integral shear wall structure, the installation, plugging and grouting of the wall boards are the key for determining the quality of the assembly type construction engineering. Due to the large difference of the climates in the south and the north, a plurality of construction methods which are mature in the north are not suitable for assembly type buildings in the south, and a matched construction method needs to be developed according to local conditions.
At present, the following problems need to be solved: (1) the problem of accurate positioning of the steel bars at the conversion position of the cast-in-place structure and the prefabricated wall body needs to be properly solved, and the prefabricated parts are ensured to be quickly and accurately positioned; (2) the outer side plugging problem of the horizontal joint of the assembled single-layer external wall panel needs to be solved, the phenomenon that the sealing strip occupies too large width of the structural wall body in the common sealing strip plugging scheme is avoided, the sealing strip needs to be leveled by high-strength base slurry after being removed, but the stress performance of the wall body is influenced by the formation of a new and old concrete interface again; (3) in summer high-temperature climate, the grouting material solidifies fast, can't effectively check the full degree of grout, is difficult to in time compensate not full sleeve.
Disclosure of Invention
The invention provides a series-hanging construction method of an assembled structure laminated plate, which aims to solve the problems in the prior art and is suitable for installation, horizontal seam plugging and grouting of wall plates in an assembled integral shear wall structure in a warm-in-winter and hot-in-summer area.
In order to solve the technical problem, the invention provides a field construction method of a wallboard of an assembled shear wall structure in hot summer and warm winter, which comprises the following steps:
1) transporting the prefabricated shear wall structure wallboard to a construction site;
2) binding the lower-layer wall steel bars of the conversion layer and erecting a formwork;
3) hoisting and lofting the prefabricated floor slab, and dismantling the positioning steel plate after positioning and fixing the reserved steel bars on the wall body;
4) pouring concrete on the lower-layer wall body of the conversion layer, and positioning by utilizing a positioning steel plate to carry out secondary recheck reserved steel bars before initial setting;
5) pouring concrete after floor slab reinforcing steel bars are bound, and performing three-time rechecking on reserved reinforcing steel bars before initial setting by using a positioning steel plate;
6, chiseling the concrete surface of the floor to ensure that the concrete at the horizontal joint is reliably connected, and lofting and installing the prefabricated wall body on the upper layer of the conversion layer;
7) dividing the slurry of the long wall base into bins, using C-shaped steel with holes and foam cotton to be attached to a horizontal seam on the outer side of the outer wall, and drilling expansion bolts on the side surfaces of the prefabricated wall plate and the cast-in-place concrete beam plate;
8) adopting plastic angle bars to cling to the inner side of the outer wall and the horizontal seam of the inner wall, plugging the outer sides of the plastic angle bars with cement mortar, mixing grouting materials, checking the fluidity of the slurry, keeping a test block, and installing an observation sleeve;
9) plugging a grout outlet after grouting;
10) and (4) checking and observing the falling condition of the casing grout within 30 minutes after grouting, and if the grout partially falls, compensating the grouting material before the grout is initially set.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
1) through changing positioner dismantlement mode, eliminated the location steel sheet and reserved the hole error, designed novel conversion position location steel sheet, location conversion position lower floor dowel position that both can be accurate, convenient the dismantlement again.
2) Utilize the smooth characteristics of wall body about the horizontal joint in individual layer wallboard outer wall outside, fixed with shaped steel, utilize inside lining foam cotton to fill the gap between these two kinds of hard materials of wall body and shaped steel, ensure the reliable shutoff in assembled individual layer side fascia horizontal joint outside.
3) The performance characteristics of the mortar are utilized, the proportion is adjusted, the short-term bonding force and the strength of the mortar are improved, the characteristic of multiple holes of the corner strips is utilized, the connecting area between the mortar and the wall body and between the mortar and the floor is increased, the scheme for plugging the inner side of the horizontal joint is improved, and the reliable plugging of the inner side of the horizontal joint of the prefabricated wall body is ensured.
4) The external observation hole is arranged by utilizing the gravity action and the principle of the communicating device, so that the inspection and compensation are facilitated, and the grouting fullness is ensured.
Drawings
FIG. 1 is a schematic view of the working process of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like, are used in a broad sense, and for example, "connected" may be a wall-mounted connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, and those skilled in the art will understand the specific meaning of the terms in the present invention specifically.
Referring to fig. 1, the present embodiment provides a field construction method for a fabricated shear wall structure wallboard in a hot-in-summer and warm-in-winter area, which includes the following steps:
1) transporting the prefabricated shear wall structure wallboard to a construction site;
2) binding the lower-layer wall steel bars of the conversion layer and erecting a formwork;
3) hoisting and lofting the prefabricated floor slab, and dismantling the positioning steel plate after positioning and fixing the reserved steel bars on the wall body;
4) pouring concrete on the lower-layer wall body of the conversion layer, and positioning by utilizing a positioning steel plate to carry out secondary recheck reserved steel bars before initial setting;
5) pouring concrete after floor slab reinforcing steel bars are bound, and performing three-time rechecking on reserved reinforcing steel bars before initial setting by using a positioning steel plate;
6, chiseling the concrete surface of the floor to ensure that the concrete at the horizontal joint is reliably connected, and lofting and installing the prefabricated wall body on the upper layer of the conversion layer;
7) dividing the slurry of the long wall base into bins, using C-shaped steel with holes and foam cotton to be attached to a horizontal seam on the outer side of the outer wall, and drilling expansion bolts on the side surfaces of the prefabricated wall plate and the cast-in-place concrete beam plate;
8) adopting plastic angle bars to cling to the inner side of the outer wall and the horizontal seam of the inner wall, plugging the outer sides of the plastic angle bars with cement mortar, mixing grouting materials, checking the fluidity of the slurry, keeping a test block, and installing an observation sleeve;
9) plugging a grout outlet after grouting;
10) and (4) checking and observing the falling condition of the casing grout within 30 minutes after grouting, and if the grout partially falls, compensating the grouting material before the grout is initially set.
The field construction method for the assembled shear wall structure wallboard in the hot-in-summer and warm-in-winter area eliminates the hole reserving error of the positioning steel plate by changing the dismounting mode of the positioning device, designs the novel conversion part positioning steel plate, can accurately position the lower layer joint bar position of the conversion part, and is convenient to dismount. And utilize the smooth characteristics of wall body about the horizontal seam in individual layer wallboard outer wall outside, fixed with shaped steel, utilize inside lining foam cotton with wall body and shaped steel this two kinds of hard material gap between fill, ensure the reliable shutoff in assembled individual layer external wall board horizontal seam outside. In addition, the performance characteristics of the mortar are utilized, the proportion is adjusted, the short-term bonding force and the strength of the mortar are improved, the connection area between the mortar and the wall body and between the mortar and the floor slab is enhanced by utilizing the characteristic that the corner strips are porous, the inner side plugging scheme of the horizontal joint is improved, and the inner side reliable plugging of the horizontal joint of the prefabricated wall body is ensured. And finally, an external observation hole is arranged by utilizing the gravity action and the principle of a communicator, so that the inspection and compensation are facilitated, and the grouting fullness is ensured.
The main process flow of the embodiment is as follows: prefabricated wall installation → horizontal seam plugging → sleeve grouting → inspection and compensation. The key points of the operation of each step are as follows:
(1) mounting a prefabricated wall body at the conversion part;
the accurate location of reserved steel bars of the wall body at the conversion part is the key for installing the wall body, and the wall body location is focused on the following operation key points:
1) and the positioning precision of the reserved steel bars of the lower-layer wall body at the conversion part is strictly controlled.
2) And (5) carrying out tertiary positioning check by utilizing the steel bar positioning steel plate. The first time is carried out before the lower layer wall body concrete at the conversion part is poured, and the reserved steel bars are fixed; checking the dislocation of the reinforcing steel bars caused by concrete pouring and vibrating before the initial setting of the wall concrete for the second time; and the third time, before the initial setting of the concrete floor slab, the positioning of the reinforcing steel bars is finely adjusted.
3) The reserved steel bars are strictly forbidden to be beaten, bent and cut when the wall body is installed.
4) The elevation of the floor slab is strictly controlled, and the length of the reserved steel bar extending into the sleeve is ensured to meet the standard requirement.
5) Before the wall body is installed, chiseling treatment is carried out on the concrete surface of the floor slab, the floor slab is cleaned up, and reliable connection of the concrete at the horizontal joint is ensured.
(2) Grouting the sleeve;
after the wall body is hoisted in place, the longer wall body is subjected to bin separation treatment, and the horizontal joint is divided into two bins by using the base slurry and is respectively grouted. The horizontal joint plugging is carried out before grouting, the plugging is generally divided into two conditions, namely external wall external side plugging and external wall internal side plugging, and the internal wall horizontal joint plugging method is the same as the external wall internal side plugging method. After grouting, the plumpness should be checked by using the observation hole sleeve, after stopping grouting, the grout will partially fall back when the air in the bottom bin is gradually emptied, and timely observation and filling should be carried out.
The sleeve grouting should pay attention to the following operating points:
1) the casing grout should meet the relevant specifications (such as: JGJ355 requirements of technical regulations for grouting and connecting reinforced sleeves. )
2) The prefabricated parts are subjected to one-by-one inspection of the permeability of the sleeve when leaving a factory or entering a field, and whether sundries are in the sleeve is detected again before hoisting and cleaned.
3) The plugging material should not reduce the design area of the joint surface.
4) The expansion bolts are used for plugging and the sleeve position is avoided.
5) When the angle bars are plugged, the phenomenon that the mortar is too high and blocks the mortar outlet hole is avoided.
6) The height of the slurry outlet hole of the prefabricated part sleeve is properly increased, and the outlet positions of the upper corrugated pipe and the lower corrugated pipe of each sleeve are higher than the slurry outlet hole of the sleeve, so that slurry backflow compensation is facilitated.
7) The observation sleeve is arranged at the grout outlet above the farthest end of the grouting hole.
8) When the liquid level is lowered, the liquid should be timely supplemented before initial setting, and the liquid should be checked again after the supplement.
9) The whole process of grouting of each wall body is recorded, the video recording content is that all grout is discharged from a grout outlet, the grout of a horizontal joint has no leakage, and the file is used as a file for proving the grouting fullness of the sleeve.
In order to ensure the construction quality, the following points should be noticed during the construction process.
1) Processing and installing a component connecting part;
before installation, the grouting cavity, the grouting hole and the grout outlet of the connecting sleeve in the prefabricated part are checked to be free of foreign matters, foreign matters and accumulated water on the surface of concrete at the connecting part of the prefabricated part are removed, a certain number of steel cushion blocks with the thickness of 10-20mm are arranged on the horizontal plane, the minimum gap of the grouting communicating cavity is ensured, and when the bin-dividing communicating cavity needs to be arranged, grouting treatment (surface elevation and elevation on the steel cushion block) is carried out at the bin-dividing part.
2) Pretreatment and plugging quality of grouting part
The plugging material must not block the grouting hole, and measures for accidental disposal such as possible slurry leakage and grouting unsmooth are made.
3) Grouting material processing and manufacturing
The grouting material entering the construction site is required to have a set of delivery quality certification documents such as product qualification certificates and inspection reports, and is sampled and inspected to perform retesting according to the standard requirements, and the grouting material can be used after being qualified.
The grouting material needs to be kept properly and stored in an indoor dry environment to prevent the grouting material from being affected with damp.
Before each use, the grouting material is confirmed to be within the validity period of the product, and after the packaging bag is opened, the product is not abnormal in appearance, and then the grouting material is prepared.
Clean tap water, a clean container and an accurate measuring instrument are used for preparing the slurry, stirring equipment or machines meeting the product processing requirements are used, and the slurry is stirred strictly according to the product specification.
When the slurry is mixed, foreign matters are prevented from being mixed, a stirring machine is cleaned in time, and the slurry which is solidified or is about to be solidified is forbidden to be mixed into the mixed slurry; after the slurry is prepared, a protective cover is covered on a container for containing the slurry to prevent foreign matters from falling.
The fluidity of the mixed slurry is detected before use, and grouting operation can be carried out according to requirements.
The grouting material is fully and uniformly stirred by an electric stirrer, water is added from the beginning to the end of stirring for not less than 4min, then the stirring is kept still for 2-3min, and the stirred grouting material is used within 30min so as to avoid hole breakage caused by coagulation of the grouting material due to overlong time. The total time for filling each prefabricated part is controlled within 30 min.
4) Grouting connection assurance measure
The grouting connection quality is ensured by adopting the measures of people determination, quantification, timing and process determination, and the method comprises the following steps:
grouting operation is performed by professional personnel, grouting operation is performed by self-owned industrial workers in the engineering, supervision in the whole process is invited in the grouting operation process, pictures are taken, videos are recorded, and grouting operation construction inspection records are filled.
Grouting operation is completed within the allowable operation time range of slurry, and a part of reasonable time for handling accidents is reserved properly; the performance of grouting equipment, the required amount of slurry and the time required by slurry mixing and grouting operation are combined before grouting, the slurry manufacturing amount and the grouting position are reasonably arranged, and the condition that the operable time of the slurry is close to the limit is avoided; during grouting operations, measures for preventing sudden power failure are required, such as: a small generator is provided.
The grouting should be continuously, slowly and uniformly carried out without interruption.
The grouting material can not be vibrated or collided within 24 hours after grouting.
The above description is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any person skilled in the art can make insubstantial changes in the technical scope of the present invention within the technical scope of the present invention, and the actions infringe the protection scope of the present invention are included in the present invention.
Claims (1)
1. A field construction method for a wallboard of an assembled shear wall structure in a hot-in-summer and warm-in-winter area is characterized by comprising the following steps:
1) transporting the prefabricated shear wall structure wallboard to a construction site;
2) binding the lower-layer wall steel bars of the conversion layer and erecting a formwork;
3) hoisting and lofting the prefabricated floor slab, and dismantling the positioning steel plate after positioning and fixing the reserved steel bars on the wall body;
4) pouring concrete on the lower-layer wall body of the conversion layer, and positioning by utilizing a positioning steel plate to carry out secondary recheck reserved steel bars before initial setting;
5) pouring concrete after floor slab reinforcing steel bars are bound, and performing three-time rechecking on reserved reinforcing steel bars before initial setting by using a positioning steel plate;
6, chiseling the concrete surface of the floor to ensure that the concrete at the horizontal joint is reliably connected, and lofting and installing the prefabricated wall body on the upper layer of the conversion layer;
7) dividing the slurry of the long wall base into bins, using C-shaped steel with holes and foam cotton to be attached to a horizontal seam on the outer side of the outer wall, and drilling expansion bolts on the side surfaces of the prefabricated wall plate and the cast-in-place concrete beam plate;
8) adopting plastic angle bars to cling to the inner side of the outer wall and the horizontal seam of the inner wall, plugging the outer sides of the plastic angle bars with cement mortar, mixing grouting materials, checking the fluidity of the slurry, keeping a test block, and installing an observation sleeve;
9) plugging a grout outlet after grouting;
10) and (4) checking and observing the falling condition of the casing grout within 30 minutes after grouting, and if the grout partially falls, compensating the grouting material before the grout is initially set.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110231495.9A CN113090022A (en) | 2021-03-02 | 2021-03-02 | Site construction method for assembled shear wall structure wallboard in hot-in-summer and warm-in-winter areas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110231495.9A CN113090022A (en) | 2021-03-02 | 2021-03-02 | Site construction method for assembled shear wall structure wallboard in hot-in-summer and warm-in-winter areas |
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| CN113090022A true CN113090022A (en) | 2021-07-09 |
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| CN202110231495.9A Pending CN113090022A (en) | 2021-03-02 | 2021-03-02 | Site construction method for assembled shear wall structure wallboard in hot-in-summer and warm-in-winter areas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232787A (en) * | 2021-12-28 | 2022-03-25 | 中国建筑第二工程局有限公司 | Building continuous assembly method capable of avoiding wall body deflection and assembly type building |
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| 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 |
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| CN209145035U (en) * | 2018-11-12 | 2019-07-23 | 广东博意建筑设计院有限公司 | The node structure blocked when for being in the milk at assembled architecture shear wall installation seam |
| CN110158969A (en) * | 2019-05-06 | 2019-08-23 | 河北建设集团股份有限公司 | A kind of construction method of low temperature environment fabricated shear wall |
| US20200109550A1 (en) * | 2017-06-02 | 2020-04-09 | China State Construction Engineering Corporation Limited | Steel-plate-encased precast concrete column foot joint and construction method therefor |
| CN111395775A (en) * | 2020-04-07 | 2020-07-10 | 中铁十二局集团建筑安装工程有限公司 | Construction method for plugging outer wall base mortar of sandwich insulation board of fabricated building |
-
2021
- 2021-03-02 CN CN202110231495.9A patent/CN113090022A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| US20200109550A1 (en) * | 2017-06-02 | 2020-04-09 | China State Construction Engineering Corporation Limited | Steel-plate-encased precast concrete column foot joint and construction method therefor |
| CN107297810A (en) * | 2017-07-21 | 2017-10-27 | 中建八局第建设有限公司 | A kind of making of precast wall body component and installation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232787A (en) * | 2021-12-28 | 2022-03-25 | 中国建筑第二工程局有限公司 | Building continuous assembly method capable of avoiding wall body deflection and assembly type building |
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Application publication date: 20210709 |