CN116290867A - Construction method for temporarily supporting and reinforcing basement beam plates by using constructional column core column - Google Patents
Construction method for temporarily supporting and reinforcing basement beam plates by using constructional column core column Download PDFInfo
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- CN116290867A CN116290867A CN202310182077.4A CN202310182077A CN116290867A CN 116290867 A CN116290867 A CN 116290867A CN 202310182077 A CN202310182077 A CN 202310182077A CN 116290867 A CN116290867 A CN 116290867A
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- 238000010276 construction Methods 0.000 title claims abstract description 36
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 24
- 230000002787 reinforcement Effects 0.000 claims abstract description 16
- 239000004567 concrete Substances 0.000 claims abstract description 9
- 238000005516 engineering process Methods 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 8
- 238000004458 analytical method Methods 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 3
- 239000011178 precast concrete Substances 0.000 claims description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 5
- 238000009435 building construction Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 4
- 230000007306 turnover Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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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
- E04G23/00—Working measures on existing buildings
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
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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
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
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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
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
- E04G23/0237—Increasing or restoring the load-bearing capacity of building construction elements of storey floors
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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
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
- E04G23/0244—Increasing or restoring the load-bearing capacity of building construction elements of beams at places of holes, e.g. drilled in them
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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
- E04G25/00—Shores or struts; Chocks
- E04G25/02—Shores or struts; Chocks non-telescopic
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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Abstract
The invention relates to the technical field of building construction, and provides a construction method for temporarily supporting and reinforcing a basement beam plate by using constructional column core columns, which comprises the following steps of: s1: modeling a basement structure by using a BIM technology, and determining the size and the position of a constructional column; s2: carrying out temporary support reinforcement on a place needing temporary support reinforcement on a later-stage basement beam plate through a core column; s3: marking the position of a core column on a basement bottom plate, and then constructing the core column; s4: the core column has the function of temporary support and reinforcement after the core column is disassembled, and the core column is disassembled after the use of the core column is completed; s5: the dismantled core column is installed in a masonry wall horse joint, the upper ends of the longitudinal ribs of the core column are bound with the reinforcing steel bars of the basement top plate, the lower ends of the longitudinal ribs of the core column are bound with the reinforcing steel bars of the basement bottom plate, and the transverse tie reinforcing steel bars penetrate through a transverse pipeline; s6: closing the constructional column, pouring constructional column concrete, and pouring the core column into the constructional column as a part of the constructional column.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a construction method for temporarily supporting and reinforcing a basement beam plate by using a constructional column core column.
Background
The temporary support reinforcement of the basement beam plates is generally present at the post-cast strip of the top plate in areas of the top plate where stacking is required. For the post-cast strip of the top plate, the independence and the integrity of a supporting system are required to be ensured before the post-cast strip is sealed, so that the structural beam slab cracking caused by uneven settlement and concrete shrinkage is solved. For the limited engineering in the field, construction roads and stacking materials are required to be arranged on the basement roof, the load of the soil and slag truck and the concrete pump truck during construction is far greater than the design load of the basement roof, and the basement roof is required to be temporarily supported and reinforced at the moment, so that structural damage caused by overload is avoided.
At the post-pouring zone of the basement roof, the prior construction method mostly adopts a fastener type steel pipe scaffold for supporting, however, the supporting system has the following problems: the post-cast strip support frames are independently arranged, the dismantling time of the post-cast strip support frames is inconsistent with the dismantling time of the frame body in the construction of the peripheral structure, the post-cast strip support frames are complex in erection, meanwhile, the retention time of the post-cast strip support frames is long, excessive steel pipes and templates are occupied, and the post-cast strip support frames cannot be efficiently circulated, so that waste is caused; the fastener type steel pipe support system has the defects of numerous and complicated frame bodies, large occupied construction space and influence on other working procedures of the basement. There are also a small number of steel structures or plain concrete columns used as supporting systems, but the basement space is inconvenient for steel structure transportation, installation and disassembly, material waste is caused by the dismantling of the plain concrete columns, and the like, and the basement space is not widely popularized.
Disclosure of Invention
The invention aims to provide a construction method for temporarily supporting and reinforcing a basement beam plate by using constructional column core columns, which solves the problems that in the prior art, the adoption of a fastener type steel pipe scaffold for temporarily supporting and reinforcing the basement beam plate has a plurality of components, the turnover cannot be efficiently carried out, the structure is numerous and complicated, the occupied construction space is large, and the construction of other working procedures of a basement is influenced.
The invention is realized by adopting the following technical scheme:
the invention provides a construction method for temporarily supporting and reinforcing a basement beam plate by using a constructional column core column, which comprises the following steps of:
s1: modeling a basement structure by using a BIM technology, optimizing the arrangement of constructional columns in a basement structure model, and determining the sizes and positions of the constructional columns;
s2: carrying out temporary supporting reinforcement on a place needing temporary supporting reinforcement of a later-stage basement beam plate through core columns, determining the number of the core columns according to analysis and calculation, and marking the positions of the core columns in a basement structure model;
s3: marking the position of a core column on a basement bottom plate, then constructing the core column, ensuring that the lower end of the core column is separated from the basement bottom plate, connecting the upper end of the core column with a basement beam plate, and embedding a transverse pipeline on the core column;
s4: the core column has the function of temporary support and reinforcement after the core column is disassembled, and the core column is disassembled after the use of the core column is completed;
s5: the dismantled stem is installed in a masonry wall horse joint, the upper ends of the stem longitudinal ribs are bound with basement roof steel bars, the lower ends of the stem longitudinal ribs are bound with basement bottom plate steel bars, transverse tie steel bars penetrate through transverse pipelines to be arranged, masonry walls on two sides of the stem are transversely connected, and the stem is fixed;
s6: closing the constructional column, pouring constructional column concrete, and pouring the core column into the constructional column as a part of the constructional column.
As a preferable technical scheme:
s3 specifically comprises:
s31: installing core blocks at positions marked by the core columns on the basement bottom plate, wherein the core blocks are used for isolating the core columns from the basement bottom plate;
s32: inserting the lower ends of the longitudinal ribs of the core columns into the core blocks, binding the steel bar cages of the core columns, binding the upper ends of the longitudinal ribs of the core columns with the steel bars of the basement beam plates, and embedding the transverse pipelines in the core blocks;
s33: and closing the core column, and pouring the core column and the basement beam plate synchronously after closing the mold.
As a preferable technical scheme:
s4 specifically comprises the following steps:
cutting the junction of the core column and the basement beam plate to expose the upper end of the longitudinal rib of the core column, and then removing the core block to expose the lower end of the longitudinal rib of the core column.
As a preferable technical scheme:
in S32, the transverse pipeline is a PVC pipe, and the PVC pipe is horizontally arranged and pre-buried in the core column.
As a preferable technical scheme:
in S33, a longitudinal pipeline matched with the position of the longitudinal ribs of the core column is preset on the core block, and the lower ends of the longitudinal ribs of the core column are inserted into the longitudinal pipeline.
As a preferable technical scheme:
the longitudinal pipeline is a PVC pipe.
As a preferable technical scheme:
the core block is a precast concrete block.
As a preferable technical scheme:
in S2, the place where the later basement beam plate needs to be supported and reinforced temporarily comprises a top plate post-cast strip and a temporary stacking area.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. the construction method for temporarily supporting and reinforcing the basement beam plate by using the constructional column core column directly uses the core column to temporarily support and reinforce places, such as the post-cast strip of the top plate, the temporary stacking area and the like, which need to be temporarily supported and reinforced in the later period of the basement beam plate, has good supporting and reinforcing performance, simple construction method, fewer working procedures, less occupation of the basement space and no influence on other working procedures of the basement.
2. The invention simplifies the temporary supporting and reinforcing system of the basement beam plate, reduces the occupation of steel pipes and templates, and improves the turnover rate of materials.
3. According to the invention, the core block is arranged at the bottom of the core column to separate the core column from the basement bottom plate, so that the core column can be removed conveniently after the temporary supporting function of the core column is exerted in the later period, and the stress system of the main body structure is not influenced.
4. The removed core column is installed in the masonry wall joint and recycled for casting the constructional column, and the core column is used as a part of the constructional column, so that the construction is convenient, and the cost is saved.
5. According to the invention, the longitudinal pipelines (PVC pipes) are arranged on the core blocks for the longitudinal ribs of the core columns to pass through, so that the connection reliability of the core columns and the core blocks is ensured, and meanwhile, after the core columns are removed in the later stage, the lower ends of the longitudinal ribs of the core columns are directly exposed, so that the longitudinal ribs of the core columns are conveniently connected with the reinforcing steel bars of the basement bottom plate.
6. According to the invention, the transverse pipeline (PVC pipe) is pre-buried on the core column, so that transverse tie bars can pass through the core column at a later stage, the masonry walls at two sides of the core column are transversely connected, the core column can be fixed by matching with the longitudinal bars, the deformation, cracking and dislocation of the wall body can be prevented, and the strength of the masonry wall is increased.
Drawings
Fig. 1 is a flow chart of a construction method for reinforcing a basement beam plate by using a constructional column core column temporary support according to the invention.
Fig. 2 is a schematic structural view of a temporary support reinforcement of a basement beam plate by a stem.
Fig. 3 is a schematic cross-sectional view of a stem.
Fig. 4 is a schematic structural view of a pellet.
Fig. 5 is a schematic structural view of a stem longitudinal rib inserted into a core block.
Fig. 6 is a schematic structural view of a stem rebar cage.
Fig. 7 is a schematic view of the structure after the stem is removed.
Fig. 8 is a schematic view of the structure of a building stud formed by installing a stem into a masonry wall horse joint.
Icon: 1-basement beam plate, 2-basement bottom plate, 3-basement top plate, 4-core column, 41-transverse pipeline, 42-core column longitudinal rib, 43-stirrup, 5-core block, 51-longitudinal pipeline, 6-constructional column, 7-masonry wall and 8-transverse tie bar.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1, the present embodiment proposes a construction method for temporarily supporting and reinforcing a basement beam plate by using a constructional column core, comprising the steps of:
s1: modeling a basement structure by using a BIM technology, optimizing the arrangement of constructional columns in a basement structure model, and determining the sizes and positions of the constructional columns;
s2: aiming at places needing temporary support and reinforcement of later-stage basement beam plates, such as a top plate post-cast strip and a temporary stacking area, the places are subjected to temporary support and reinforcement through core columns 4, the number of the core columns 4 is determined according to analysis and calculation, and the positions of the core columns 4 are marked in a basement structure model;
s3: the positions of the stem 4 are marked on the basement floor 2, and then the stem 4 is constructed as shown in fig. 2:
s31: the method comprises the steps that core blocks 5 are arranged at positions of core columns 4 marked on a basement bottom plate 2, the core blocks 5 are used for isolating the core columns 4 from the basement bottom plate 2, the core blocks 5 are precast concrete blocks, as shown in fig. 4, longitudinal pipelines 51 matched with positions of longitudinal ribs 42 of the core columns are preset on the core blocks 5, and the longitudinal pipelines 51 are PVC pipes;
s32: as shown in fig. 5, the lower ends of the longitudinal core column ribs 42 are inserted into the PVC pipes on the core block 5, the longitudinal core column ribs 42 are arranged in an array, the stirrups 43 are bound around the longitudinal core column ribs 42, the upper ends of the longitudinal core column ribs 42 are bound with the reinforcing bars of the basement beam plates, the transverse pipes 41 are embedded in the core column 4, the transverse pipes 41 are horizontally arranged, and the transverse pipes 41 are PVC pipes;
s33: brushing an oil film on the core block 5, closing the core column 4, and pouring the core column 4 and the basement beam plate 1 synchronously after closing the mold;
s4: the core column 4 plays a role in temporary supporting and reinforcing after the die is removed, and is not removed during the supporting period of the post-pouring belt of the top plate of the basement and the stacking and using period of the top plate of the basement;
after the stem 4 is used, the stem 4 is removed: cutting the joint of the core column 4 and the basement beam plate 1, removing part of concrete at the upper end of the core column 4 to expose the upper end of the core column longitudinal rib 42, and then removing the core block 5 to expose the lower end of the core column longitudinal rib 42;
s5: as shown in fig. 8, the removed stem 4 is mounted in a bridge of the masonry wall 7, the upper end of the stem longitudinal rib 42 is bound with the basement roof steel bar, the lower end of the stem longitudinal rib 42 is bound with the basement floor steel bar, the transverse tie steel bar 8 is arranged through the transverse pipeline 41, the masonry walls 7 at two sides of the stem 4 are transversely connected, and the stem 4 is fixed through the stem longitudinal rib 42 and the transverse tie steel bar 8;
s6: the construction column 6 is arranged at the joint of the bridge of the masonry wall 7, the construction column 6 is closed, the construction column 6 is poured with concrete, the core column 4 is poured in the construction column 6 as a part of the construction column 6, and the core column 4 is a prefabricated component for the construction column 6.
The construction method for reinforcing the basement beam plate by utilizing the temporary support of the constructional column core column simplifies the temporary support reinforcing system of the basement beam plate, reduces occupation of steel pipes and templates, and improves material turnover rate; the invention directly uses the core column to carry out temporary support and reinforcement on the places needing temporary support and reinforcement at the later stage of the basement beam plate, such as the post-cast strip of the top plate, the temporary stacking area and the like, has good support and reinforcement performance, simple construction method, less working procedures, less occupation of the basement space and no influence on other working procedures of the basement construction; according to the invention, the core block is arranged at the bottom of the core column to separate the core column from the basement bottom plate, so that the core column can be removed conveniently after the temporary supporting function of the core column is exerted in the later period, and the stress system of the main body structure is not influenced; according to the invention, the dismantled core column is mounted in the masonry wall joint and recycled for casting the constructional column, and the construction is convenient and the cost is saved as a part of the constructional column; according to the invention, the longitudinal pipelines (PVC pipes) are arranged on the core blocks, so that the longitudinal ribs of the core columns can pass through, the connection reliability of the core columns and the core blocks is ensured, and meanwhile, after the core columns are removed in the later stage, the lower ends of the longitudinal ribs of the core columns are directly exposed, so that the longitudinal ribs of the core columns are conveniently connected with the reinforcing steel bars of the basement bottom plate; according to the invention, the transverse pipeline is pre-buried on the core column, so that transverse tie bars can pass through the core column at a later stage conveniently, masonry walls at two sides of the core column are transversely connected, the core column can be fixed by matching with the longitudinal bars, deformation, cracks and dislocation of the wall body can be prevented, and the strength of the masonry walls is increased.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A construction method for temporarily supporting and reinforcing a basement beam plate by using a constructional column core column is characterized by comprising the following steps of:
the method comprises the following steps:
s1: modeling a basement structure by using a BIM technology, optimizing the arrangement of constructional columns in a basement structure model, and determining the sizes and positions of the constructional columns;
s2: carrying out temporary supporting reinforcement on a place needing temporary supporting reinforcement of a later-stage basement beam plate through core columns, determining the number of the core columns according to analysis and calculation, and marking the positions of the core columns in a basement structure model;
s3: marking the position of a core column on a basement bottom plate, then constructing the core column, ensuring that the lower end of the core column is separated from the basement bottom plate, connecting the upper end of the core column with a basement beam plate, and embedding a transverse pipeline on the core column;
s4: the core column has the function of temporary support and reinforcement after the core column is disassembled, and the core column is disassembled after the use of the core column is completed;
s5: the dismantled stem is installed in a masonry wall horse joint, the upper ends of the stem longitudinal ribs are bound with basement roof steel bars, the lower ends of the stem longitudinal ribs are bound with basement bottom plate steel bars, transverse tie steel bars penetrate through transverse pipelines to be arranged, masonry walls on two sides of the stem are transversely connected, and the stem is fixed;
s6: closing the constructional column, pouring constructional column concrete, and pouring the core column into the constructional column as a part of the constructional column.
2. The construction method for reinforcing a basement beam plate by using a constructional column core column temporary support according to claim 1, wherein:
s3 specifically comprises:
s31: installing core blocks at positions marked by the core columns on the basement bottom plate, wherein the core blocks are used for isolating the core columns from the basement bottom plate;
s32: inserting the lower ends of the longitudinal ribs of the core columns into the core blocks, binding the steel bar cages of the core columns, binding the upper ends of the longitudinal ribs of the core columns with the steel bars of the basement beam plates, and embedding the transverse pipelines in the core blocks;
s33: and closing the core column, and pouring the core column and the basement beam plate synchronously after closing the mold.
3. The construction method for reinforcing a basement beam plate by using a constructional column core column temporary support according to claim 2, wherein:
s4 specifically comprises the following steps:
cutting the junction of the core column and the basement beam plate to expose the upper end of the longitudinal rib of the core column, and then removing the core block to expose the lower end of the longitudinal rib of the core column.
4. The construction method for reinforcing a basement beam plate by using a constructional column core column temporary support according to claim 2, wherein:
in S32, the transverse pipeline is a PVC pipe, and the PVC pipe is horizontally arranged and pre-buried in the core column.
5. The construction method for reinforcing a basement beam plate by using a constructional column core column temporary support according to claim 2, wherein:
in S33, a longitudinal pipeline matched with the position of the longitudinal ribs of the core column is preset on the core block, and the lower ends of the longitudinal ribs of the core column are inserted into the longitudinal pipeline.
6. The construction method for reinforcing a basement beam plate by using a constructional column core column temporary support according to claim 5, wherein:
the longitudinal pipeline is a PVC pipe.
7. The construction method for reinforcing a basement beam plate by using a constructional column core column temporary support according to claim 5, wherein:
the core block is a precast concrete block.
8. The construction method for reinforcing a basement beam plate using a constructional column core column temporary support according to any one of claims 1 to 7, wherein:
in S2, the place where the later basement beam plate needs to be supported and reinforced temporarily comprises a top plate post-cast strip and a temporary stacking area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310182077.4A CN116290867B (en) | 2023-02-28 | Construction method for temporarily supporting and reinforcing basement beam plates by using constructional column core column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310182077.4A CN116290867B (en) | 2023-02-28 | Construction method for temporarily supporting and reinforcing basement beam plates by using constructional column core column |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116290867A true CN116290867A (en) | 2023-06-23 |
| CN116290867B CN116290867B (en) | 2024-07-09 |
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