CN114086696A - Construction method of overlapped constructional column - Google Patents
Construction method of overlapped constructional column Download PDFInfo
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- CN114086696A CN114086696A CN202111448917.4A CN202111448917A CN114086696A CN 114086696 A CN114086696 A CN 114086696A CN 202111448917 A CN202111448917 A CN 202111448917A CN 114086696 A CN114086696 A CN 114086696A
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- superposed
- constructional
- lintel
- constructional column
- column
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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
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
- E04B2/64—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of concrete
- E04B2/68—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of concrete made by filling-up wall cavities
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/0604—Prismatic or cylindrical reinforcement cages composed of longitudinal bars and open or closed stirrup rods
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- Architecture (AREA)
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- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a construction method of a superposed constructional column, which comprises the following steps of: manufacturing a superposed constructional column according to the design size, wherein the superposed constructional column comprises two prefabricated plates which are respectively parallel to the front side surface and the rear side surface of the wall surface; placing the superposed constructional columns at the designed positions, and inserting the longitudinal bars of the reserved constructional columns of the upper and lower floor slabs into the middle cavities of the superposed constructional columns; building the two sides of the superposed constructional column to form wall structures on the two sides; after the wall surface is built, the upper cast-in-place section and the lower cast-in-place section of the overlapped constructional column are supported, concrete is poured into a cavity in the middle of the overlapped constructional column from an upper pouring opening, and the formwork is removed after the concrete is solidified. The construction method of the overlapped constructional column provided by the invention utilizes partial prefabricated parts to cast in situ, saves templates, simplifies field construction procedures, improves the construction quality of the constructional column, and simultaneously ensures the integrity of the constructional column and masonry walls.
Description
Technical Field
The invention relates to the field of constructional column construction processes, in particular to a construction method of a superposed constructional column.
Background
As is known, a constructional column plays a very important role in both masonry structures and concrete structures, and in the masonry structures, the constructional column and a ring beam can play a role in enhancing the integrity and stability of buildings; in a concrete structure, a constructional column in the filling wall can play a role in enhancing the stability of the wall body.
After the main structure of the concrete structure is built, the inner partition wall and the outer partition wall are built, in order to guarantee the overall anti-seismic performance of the structure, a constructional column is usually required to be arranged in a masonry wall according to specifications and design requirements, the construction process of the constructional column comprises steel bar binding, wall building, formwork erecting, concrete pouring, formwork removing and the like, the construction process is complex, the working procedures are complex, particularly the constructional column at the edge of a cave mouth needs to be poured with the lintel at the same time, the wall above the lintel can be built when the concrete reaches certain strength, and the construction period is greatly prolonged.
Disclosure of Invention
The invention mainly aims to provide a construction method of a superposed constructional column, aiming at simplifying the field construction process of the constructional column.
In order to achieve the above object, the present invention provides a construction method of a laminated constructional column, when the laminated constructional column is arranged between two walls, comprising the steps of:
manufacturing a superposed constructional column according to the design size, wherein the superposed constructional column comprises two prefabricated plates, the two prefabricated plates are respectively parallel to the front side surface and the rear side surface of the wall surface, the two prefabricated plates are fixedly connected through reinforcing steel bars, and a cavity between the two prefabricated plates is reserved for cast-in-place;
placing the superposed constructional columns at the designed positions, inserting the longitudinal bars of the reserved constructional columns of the upper and lower floor slabs into the middle cavities of the superposed constructional columns, and reserving cast-in-place layers at the upper and lower parts of the superposed constructional columns;
building the two sides of the superposed constructional column to form wall structures on the two sides;
after the wall surface is built, the upper cast-in-place section and the lower cast-in-place section of the overlapped constructional column are supported, concrete is poured into a cavity in the middle of the overlapped constructional column from an upper pouring opening, and the formwork is removed after the concrete is solidified.
Preferably, each prefabricated slab is internally provided with a constructional column longitudinal rib arranged in parallel with the height direction of the prefabricated slab, and the constructional column hooping rib is sleeved on the constructional column longitudinal ribs of the two prefabricated slabs so as to fix the two prefabricated slabs.
Preferably, when the two sides of the superposed constructional column are built to form the wall surface structures on the two sides, the wall body tie bars extend into the two side wall bodies from the middle cavity of the superposed constructional column.
Preferably, after the longitudinal bars of the reserved constructional columns of the upper and lower floor slabs are inserted into the middle cavities of the overlapped constructional columns, the overlapped constructional columns are temporarily supported to avoid toppling.
Preferably, the step of reserving cast-in-place layers above and below the superposed constructional column further comprises: and arranging an additional stirrup according to the thickness of the cast-in-place layer, and sleeving the additional stirrup outside the longitudinal bars of the reserved constructional columns of the upper and lower floor slabs.
Preferably, when the superposed constructional column is arranged at the opening side and connected with the lintel, the method comprises the following steps:
manufacturing a superposed constructional column, wherein the superposed constructional column adopts two prefabricated plate structures in the range of the hole so as to be parallel to two sides of the wall surface, three prefabricated plates are adopted on the superposed constructional column near the hole, and a middle cavity of the superposed constructional column is reserved for cast-in-place;
manufacturing a superposed lintel, prefabricating front and back two surfaces and three sides of the bottom surface of the superposed lintel, opening an opening above the superposed lintel, reserving cast-in-place in the middle of the superposed lintel, protruding precast slabs at the bottom of the superposed lintel on the front and back surfaces of the superposed lintel to extend into the superposed constructional column, and extending lintel longitudinal ribs of the superposed lintel precast slabs out of the end parts of the precast slabs;
placing the superposed constructional columns at the designed positions, inserting the longitudinal bars of the reserved constructional columns of the upper and lower floor slabs into the middle cavities of the superposed constructional columns, and reserving cast-in-place layers above and below the superposed constructional columns;
building brickworks from two sides of the superposed constructional columns to form a wall surface;
when the superposed constructional column is built far away from the masonry at the edge of the opening to the designed lintel top, a beam bottom precast slab of the superposed lintel is inserted into a middle cavity of the superposed constructional column, a lintel in the middle cavity of the beam end is additionally anchored into the superposed constructional column by reinforcing steel bars, a constructional column upper and lower cast-in-place section template is erected, concrete is poured from an upper pouring opening to the middle cavity of the superposed constructional column until the concrete overflows from the beam end, and meanwhile, the concrete is poured from the opening of the lintel top, so that the concrete in the constructional column and the middle cavity of the lintel both reach the elevation of the lintel top;
and building the rest masonry on the side of the constructional column and the lintel top masonry, pouring the rest concrete in the constructional column, and removing the formwork after the concrete is solidified.
Preferably, the overlapped constructional column is parallel to the wall surface, the inner edge corner cut at the connecting edge of the two precast slabs and the lintel is parallel to the two edges of the wall surface in other ranges; and the inner edge corner cut of the prefabricated plates on the front and the rear surfaces of the superposed lintel.
Preferably, when masonry is built from two sides of the overlapped constructional columns to form the wall, the wall tie bars extend into the wall from the middle cavity of the overlapped constructional columns.
Preferably, the step of reserving cast-in-place layers above and below the superposed constructional column further comprises: and arranging an additional stirrup according to the thickness of the cast-in-place layer, and sleeving the additional stirrup outside the longitudinal bars of the reserved constructional columns of the upper and lower floor slabs.
Preferably, a lintel longitudinal rib is arranged in the height direction of each precast slab of the superposed constructional column, and lintel stirrups are sleeved outside the lintel longitudinal ribs of all precast slabs to fix all the precast slabs; and after longitudinal bars of the reserved constructional columns of the upper and lower floor slabs are inserted into the middle cavities of the superposed constructional columns, the superposed constructional columns are temporarily supported to avoid toppling.
The construction method of the superposed constructional column provided by the invention can greatly simplify the construction process, save the labor cost, shorten the construction period and simultaneously ensure the construction quality and the whole anti-seismic performance of the structure.
Drawings
FIG. 1 is a schematic view of an embodiment of a laminated construction column of the present invention in a masonry wall;
FIG. 2 is a three-dimensional schematic view of a laminated construction column of the present invention;
FIG. 3 is a schematic cross-sectional view of a laminated construction column of the present invention;
FIG. 4 is a schematic view of the connection of the laminated construction post and the structural beam slab of the present invention;
FIG. 5 is a schematic view of an embodiment of the present invention in a masonry wall with a laminated construction post and lintel;
FIG. 6 is a schematic cross-sectional view of a laminated construction post of the present invention within the confines of an opening;
FIG. 7 is a schematic cross-sectional view of a laminated construction column according to the present invention, in a range of intersection with a lintel;
FIG. 8 is a schematic cross-sectional view of a laminated lintel of the present invention;
FIG. 9 is a schematic cross-sectional view of a prefabricated part of the bottom of the laminated lintel in the present invention;
FIG. 10 is a schematic cross-sectional view of a connection node between a laminated construction column and a laminated lintel according to the present invention;
FIG. 11 is a three-dimensional schematic view of a laminated lintel of the present invention;
fig. 12 is a three-dimensional schematic view of a connecting node of the laminated construction column and the laminated lintel according to the present invention.
In the figure, 1-masonry wall; 2-a superimposed constructional column; 3-construction of column prefabricated parts (i.e. prefabricated panels); 4-constructing a cast-in-place part of the column; 5-constructing a column longitudinal bar; 6-constructing a column stirrup; 7-wall tie bars; 8-structural beam slab; 9-reserving longitudinal ribs of the constructional column; 10-additional stirrups; 11-an opening; 12-a laminated lintel; 13-a lintel prefabricated part; 14-a lintel cast-in-place part; 15-lintel longitudinal bars; 16-lintel stirrups; 17-lintel attachment of rebar.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be noted that in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The present invention proposes a first embodiment of a construction method of a superposed construction column. Referring to fig. 1 to 5, in the embodiment, when the folding constructional column is disposed between two walls, the construction method of the folding constructional column includes the following steps:
step S1, manufacturing a superposed constructional column 2 according to the design size, wherein the superposed constructional column 2 comprises two prefabricated plates, the two prefabricated plates are respectively parallel to the front side surface and the rear side surface of the wall surface, the two prefabricated plates are fixedly connected through reinforcing steel bars, and a cavity between the two prefabricated plates is reserved for cast-in-place;
step S2, placing the superposed constructional column 2 at a design position, inserting the reserved constructional column longitudinal ribs 9 of the upper and lower floor slabs into the middle cavity of the superposed constructional column 2, and reserving cast-in-place layers at the upper and lower parts of the superposed constructional column 2;
step S3, building wall structures on two sides of the superposed constructional column 2;
step S4, after the wall surface is built, the upper cast-in-place section and the lower cast-in-place section of the superposed constructional column 2 are supported, concrete is poured from the upper pouring opening to the middle cavity of the superposed constructional column 2, and the formwork is removed after the concrete is solidified.
Specifically, referring to fig. 2 and 3 in combination, a constructional column longitudinal rib 5 is arranged inside each prefabricated slab in parallel with the height direction of the prefabricated slab, and a constructional column hoop rib 6 is sleeved on the constructional column longitudinal rib 5 of the two prefabricated slabs so as to fix the two prefabricated slabs. The size of the prefabricated panel is manufactured according to the design size. The thickness of the prefabricated plate is not less than 50 mm.
Referring to fig. 1, in step S3, when the two sides of the superposed structural column 2 are built to form the wall structures on the two sides, the wall tie bars 7 are extended into the two side walls from the middle cavity of the superposed structural column 2, so as to further improve the connection strength between the superposed structural column 2 and the wall.
In step S2, after inserting the longitudinal ribs 9 of the upper and lower floor slab preformed structural columns into the middle cavity of the superposed structural column 2, the superposed structural column 2 is temporarily supported to prevent it from falling. The height of the lower cast-in-place layer is not less than 50mm, the height of the lower cast-in-place layer can be controlled through the cushion blocks, and the thickness of the upper cast-in-place layer needs to meet the construction conditions of pouring concrete.
In step S2, referring to fig. 4, the method further includes, after the step of reserving cast-in-place layers on both the upper and lower sides of the superposed structural column 2: the additional stirrups 10 are arranged according to the thickness of the cast-in-place layer, so that the additional stirrups 10 are sleeved outside the longitudinal bars 9 of the reserved constructional columns of the upper and lower floor slabs, and the stability of the whole structure can be further improved.
The present invention proposes a second embodiment of a construction method of a laminated construction column. Referring to fig. 6 to 12, in the present embodiment, when the folding constructional column is disposed at the opening side and connected to the lintel, the construction method of the folding constructional column includes the following steps:
step S10, manufacturing a superposed constructional column 2, wherein the superposed constructional column 2 adopts two prefabricated plate structures in the range of the opening to be parallel to two sides of the wall surface, the superposed constructional column 2 adopts three prefabricated plates (the prefabricated plates are connected through reinforcing steel bars) on the edge near the opening, and a middle cavity of the superposed constructional column 2 is reserved for cast-in-place;
step S20, manufacturing a superposed lintel 12, prefabricating three edges of the front surface, the rear surface and the bottom surface of the superposed lintel 12 (the section of the superposed lintel 12 is U-shaped), opening the upper part of the superposed lintel 12, reserving cast-in-place in the middle of the superposed lintel 12, protruding the precast slabs at the bottom of the superposed lintel 12 on the front surface and the rear surface thereof to extend into the superposed constructional column 2 (the length of the precast slabs at the bottom of the lintel extending out of the beam end is 20-40 mm, preferably 30mm), and extending the lintel longitudinal ribs 15 of the precast slabs at the bottom of the superposed lintel 12 out of the end of the precast slabs (the extending length meets the anchoring length in the column);
step S30, placing the superposed constructional column 2 at a design position, inserting the reserved constructional column longitudinal ribs 9 of the upper and lower floor slabs into the middle cavity of the superposed constructional column 2, and reserving cast-in-place layers at the upper and lower parts of the superposed constructional column 2;
step S40, masonry is built from two sides of the superposed constructional column 2 to form a wall surface;
step S50, when the superposed constructional column 2 is far away from the masonry at the side of the opening and is built to the designed lintel top, a beam bottom precast slab of the superposed lintel 12 is inserted into a middle cavity of the superposed constructional column 2, lintel additional steel bars 17 in the middle cavity of the beam end are anchored into the superposed constructional column 2, a constructional column upper and lower cast-in-place section template is erected, concrete is poured from an upper pouring opening to the middle cavity of the superposed constructional column until the concrete overflows from the beam end, and concrete is poured from the opening of the lintel top at the same time, so that the concrete in the constructional column and the cavity of the lintel both reach the lintel top elevation;
and building the rest masonry on the side of the constructional column and the lintel top masonry, pouring the rest concrete in the constructional column, and removing the formwork after the concrete is solidified.
Further, referring to fig. 7, 11 and 12, the inner edge corner cut at the connecting edge of the two precast slabs and the lintel, which are parallel to the wall surface, of the superposed constructional column 2 is parallel to the two edges of the wall surface in other ranges; the inner corner cut of the precast slabs on the front and the rear surfaces of the superposed lintel 12 is flush with the inner corner cut of the superposed constructional column 2.
Furthermore, when masonry is built from two sides of the superposed constructional columns 2 to form a wall, the wall tie bars 7 extend into the walls on the two sides from the middle cavities of the superposed constructional columns 2, so that the connection strength of the superposed constructional columns 2 and the wall is further improved.
Further, the step of reserving cast-in-place layers above and below the superposed constructional column 2 further comprises: and arranging an additional stirrup 10 according to the thickness of the cast-in-place layer, and sleeving the additional stirrup 10 outside the longitudinal bars of the reserved constructional columns of the upper and lower floor slabs.
Furthermore, a lintel longitudinal rib 15 is arranged in the height direction of each precast slab of the superposed constructional column 2, and lintel stirrups 16 are sleeved outside the lintel longitudinal ribs 15 of all precast slabs to fix all the precast slabs; and after longitudinal bars of the reserved constructional columns of the upper and lower floor slabs are inserted into the middle cavity of the superposed constructional column 2, the superposed constructional column 2 is temporarily supported to avoid toppling.
In step S30, the height of the lower cast-in-place layer is not less than 50mm, the height of the lower cast-in-place layer can be controlled by the cushion block, and the thickness of the upper cast-in-place layer needs to meet the construction conditions of pouring concrete. The thickness of the precast slabs of the superposed constructional column 2 and the superposed lintel 12 is not less than 50 mm.
The construction method of the superposed constructional column provided by the invention can greatly simplify the construction process, save the labor cost, shorten the construction period and simultaneously ensure the construction quality and the whole anti-seismic performance of the structure.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, are intended to be covered by the scope of the present invention.
Claims (10)
1. A construction method of a superposed constructional column is characterized by comprising the following steps when the superposed constructional column is arranged between two wall bodies:
manufacturing a superposed constructional column according to the design size, wherein the superposed constructional column comprises two prefabricated plates, the two prefabricated plates are respectively parallel to the front side surface and the rear side surface of the wall surface, the two prefabricated plates are fixedly connected through reinforcing steel bars, and a cavity between the two prefabricated plates is reserved for cast-in-place;
placing the superposed constructional columns at the designed positions, inserting the longitudinal bars of the reserved constructional columns of the upper and lower floor slabs into the middle cavities of the superposed constructional columns, and reserving cast-in-place layers at the upper and lower parts of the superposed constructional columns;
building the two sides of the superposed constructional column to form wall structures on the two sides;
after the wall surface is built, the upper cast-in-place section and the lower cast-in-place section of the overlapped constructional column are supported, concrete is poured into a cavity in the middle of the overlapped constructional column from an upper pouring opening, and the formwork is removed after the concrete is solidified.
2. The method of constructing a laminated construction post according to claim 1, wherein each prefabricated panel is provided therein with a longitudinal reinforcement of the construction post disposed in parallel with a height direction thereof, and the hooping of the construction post is fitted over the longitudinal reinforcement of the construction post of the two prefabricated panels to fix the two prefabricated panels.
3. The method of constructing a laminated construction column according to claim 1, wherein the wall tie bars are extended from the central cavity of the laminated construction column into the two side walls when the two sides of the laminated construction column are constructed to form the two side wall structures.
4. The method for constructing a laminated construction post according to claim 1, wherein the laminated construction post is temporarily supported to prevent the laminated construction post from falling down after the longitudinal ribs of the prefabricated construction post of the upper and lower floor slabs are inserted into the middle cavity of the laminated construction post.
5. A method for constructing a laminated construction post according to any one of claims 1 to 4, wherein the step of reserving cast-in-place layers on both the upper and lower sides of the laminated construction post further comprises: and arranging an additional stirrup according to the thickness of the cast-in-place layer, and sleeving the additional stirrup outside the longitudinal bars of the reserved constructional columns of the upper and lower floor slabs.
6. The method for constructing a laminated construction column according to claim 1, wherein when the laminated construction column is disposed at the opening side to be connected with the lintel, the method comprises the steps of:
manufacturing a superposed constructional column, wherein the superposed constructional column adopts two prefabricated plate structures in the range of the hole so as to be parallel to two sides of the wall surface, three prefabricated plates are adopted on the superposed constructional column near the hole, and a middle cavity of the superposed constructional column is reserved for cast-in-place;
manufacturing a superposed lintel, prefabricating front and back two surfaces and three sides of the bottom surface of the superposed lintel, opening an opening above the superposed lintel, reserving cast-in-place in the middle of the superposed lintel, protruding precast slabs at the bottom of the superposed lintel on the front and back surfaces of the superposed lintel to extend into the superposed constructional column, and extending lintel longitudinal ribs of the superposed lintel precast slabs out of the end parts of the precast slabs;
placing the superposed constructional columns at the designed positions, inserting the longitudinal bars of the reserved constructional columns of the upper and lower floor slabs into the middle cavities of the superposed constructional columns, and reserving cast-in-place layers above and below the superposed constructional columns;
building brickworks from two sides of the superposed constructional columns to form a wall surface;
when the superposed constructional column is built far away from the masonry at the edge of the opening to the designed lintel top, a beam bottom precast slab of the superposed lintel is inserted into a middle cavity of the superposed constructional column, a lintel in the middle cavity of the beam end is additionally anchored into the superposed constructional column by reinforcing steel bars, a constructional column upper and lower cast-in-place section template is erected, concrete is poured from an upper pouring opening to the middle cavity of the superposed constructional column until the concrete overflows from the beam end, and meanwhile, the concrete is poured from the opening of the lintel top, so that the concrete in the constructional column and the middle cavity of the lintel both reach the elevation of the lintel top;
and building the rest masonry on the side of the constructional column and the lintel top masonry, pouring the rest concrete in the constructional column, and removing the formwork after the concrete is solidified.
7. The construction method of the superposed constructional column as claimed in claim 6, wherein the inner edge corner cut at the connecting edge of the two precast slabs and the lintel, which are parallel to the wall surface, are parallel to the two edges of the wall surface in other ranges; and the inner edge corner cut of the prefabricated plates on the front and the rear surfaces of the superposed lintel.
8. The method of constructing a laminated construction column as claimed in claim 6, wherein the wall tie bars extend from the central cavity of the laminated construction column into the wall bodies on both sides when the masonry is formed on both sides of the laminated construction column.
9. The method for constructing a laminated construction column as claimed in claim 6, wherein the step of reserving cast-in-place layers on both upper and lower sides of the laminated construction column further comprises: and arranging an additional stirrup according to the thickness of the cast-in-place layer, and sleeving the additional stirrup outside the longitudinal bars of the reserved constructional columns of the upper and lower floor slabs.
10. The construction method of a superposed constructional column as claimed in any one of claims 6 to 9, wherein a lintel longitudinal rib is arranged in the height direction of each prefabricated slab of the superposed constructional column, and a lintel stirrup is sleeved outside the lintel longitudinal ribs of all the prefabricated slabs so as to fix all the prefabricated slabs; and after longitudinal bars of the reserved constructional columns of the upper and lower floor slabs are inserted into the middle cavities of the superposed constructional columns, the superposed constructional columns are temporarily supported to avoid toppling.
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| CN202111448917.4A CN114086696B (en) | 2021-12-01 | 2021-12-01 | Construction method of overlapped constructional column |
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| CN103850350A (en) * | 2014-03-14 | 2014-06-11 | 南京工业大学 | Prefabricated and assembled integral special-shaped column structure and splicing construction method thereof |
| CN105064545A (en) * | 2015-07-23 | 2015-11-18 | 株洲博尔曼科技发展有限公司 | Assembled integral type masonry wall assembling structure and construction method thereof |
| CN106337509A (en) * | 2016-07-26 | 2017-01-18 | 中天建设集团有限公司 | Prefabricated segment of masonry wall constructional column |
| CN106320706A (en) * | 2016-08-30 | 2017-01-11 | 中国冶集团有限公司 | Masonry-wall line-pipe, line-groove and line-box burying construction method |
| CN107143065A (en) * | 2017-07-14 | 2017-09-08 | 湖北宇辉中工建筑产业化有限公司 | Prefabricated load bearing concrete wall panel combining structure and construction method |
| CN109944366A (en) * | 2019-03-11 | 2019-06-28 | 国骅建设有限公司 | One kind exempting from formwork constructional column and its construction method |
| CN112982735A (en) * | 2021-02-25 | 2021-06-18 | 中建八局第四建设有限公司 | Construction method for assembling integral ring beam, lintel, waist beam and constructional column |
| CN214785186U (en) * | 2021-06-08 | 2021-11-19 | 中南大学 | Prefabricated floor assembled concrete frame structure system entirely |
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