CN111456323A - Structure column of early and later construction structure, basement structure column and construction method of basement structure column - Google Patents
Structure column of early and later construction structure, basement structure column and construction method of basement structure column Download PDFInfo
- Publication number
- CN111456323A CN111456323A CN202010310532.0A CN202010310532A CN111456323A CN 111456323 A CN111456323 A CN 111456323A CN 202010310532 A CN202010310532 A CN 202010310532A CN 111456323 A CN111456323 A CN 111456323A
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- Prior art keywords
- reinforced concrete
- later
- construction
- concrete structure
- early
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- 238000010276 construction Methods 0.000 title claims abstract description 133
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 102
- 239000010959 steel Substances 0.000 claims abstract description 102
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 79
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 38
- 239000004567 concrete Substances 0.000 claims abstract description 38
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 10
- 239000002689 soil Substances 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
Images
Classifications
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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
- E04C3/32—Columns; Pillars; Struts of metal
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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
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
- E04C5/165—Coaxial connection by means of sleeves
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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
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/02—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor
Abstract
The invention discloses a structural column of a sequential construction structure, a basement structural column and a construction method thereof, wherein the structural column comprises a steel upright column, a prior reinforced concrete structure and a later reinforced concrete structure which are used for wrapping the steel upright column for construction, an interface is formed between a structural surface of the prior reinforced concrete structure and a structural surface of the later reinforced concrete structure, the prior reinforced concrete structure comprises prior concrete and prior reinforcing steel bars which are embedded in the prior concrete, the prior reinforcing steel bars are connected with a reinforcing steel bar sleeve, and the reinforcing steel bar sleeve is embedded in the prior concrete and is flush with the structural surface of the prior reinforced concrete structure. The steel bar sleeve and the steel bar cannot be corroded, damaged or deformed, so that nondestructive construction is guaranteed when the steel bars are connected through the steel bar sleeve in sequence, the construction quality is improved, and the overall stress of the structural column and the structural stability of the whole building are improved.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a structural column of a sequential construction structure, a basement structural column and a construction method thereof.
Background
The structural column in the deep foundation pit reverse construction method construction process is composed of a concrete pile and a steel upright column (or a lattice column), wherein the steel upright column is arranged on the concrete pile and plays a role in supporting the self weight of an upper structure and the construction load before the bottom plate is sealed in the construction process. After completion of the underground structure, the steel columns encased in reinforced concrete will act as structural columns for the basement. In the construction process of the structural column formed by one column and one pile, the connection quality of the steel bars in the reinforced concrete plays an important role in the stress of one column and one pile. Referring to fig. 1, in the prior art, when a structural column 1 of a later-stage construction structure is constructed in the first stage, the earlier-stage construction structure performs pouring construction of reinforced concrete 20 on a steel column 10, steel bars 21 wrapped in concrete 23 need to be connected with a steel bar sleeve 22, a part of the steel bar sleeve 22 is embedded in the concrete 23, and a part of the steel bar sleeve 22 needs to extend to the outer side surface of a structural surface 23a of the earlier-stage construction structure. The construction method has the disadvantages that in the construction of the early and later construction structures, the outer side surfaces of the structural surface 23a of the early construction structure are reserved for the steel bar sleeve 22 and the steel bar 21, and the steel bar sleeve 22 and the steel bar 21 are easily damaged or deformed due to corrosion or collision of other construction operations, so that the stress of the early and later construction structures on the interface is influenced. Not only the engineering quality of the structural column at the interface is affected, but also the overall stress condition of the structural column and the adverse effect on the stability of the whole building are affected.
Disclosure of Invention
The invention aims to solve the technical problem of providing a structural column of a sequential construction structure, a basement structural column and a construction method thereof, so as to solve the problem that a steel bar sleeve of the structural column of the sequential construction structure at an interface is damaged or deformed.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: a structural column of a sequential construction structure comprises a steel upright column, a prior reinforced concrete structure and a later reinforced concrete structure which are used for wrapping the steel upright column for construction, the structural surface of the early reinforced concrete structure and the structural surface of the later reinforced concrete structure form an interface, the early reinforced concrete structure comprises early concrete, early reinforcing steel bars pre-embedded in the early concrete and reinforcing steel bar sleeves distributed and connected with the early reinforcing steel bars correspondingly, the structural surface of the advanced reinforced concrete structure is a plane, the reinforced sleeve is pre-embedded in the advanced concrete, the end surface of the reinforced sleeve positioned at one side of the structural surface of the advanced reinforced concrete structure is flush with the structural surface of the advanced reinforced concrete structure, wherein the structural surface of the prior reinforced concrete structure is the upper end surface or the lower end surface of the prior reinforced concrete structure.
Further, according to the structural column of the construction structure in the successive period, the steel bar sleeve is a steel bar connector.
Further, according to the structural column of the construction structure in the successive period provided by the invention, the early reinforced concrete structure located above the interface is the early construction structure, and the later reinforced concrete structure located below the interface is the later construction structure.
Further, according to the structural column of the construction structure in the successive period provided by the invention, the early reinforced concrete structure below the interface is the early construction structure, and the later reinforced concrete structure above the interface is the later construction structure.
Further, according to the structural column of the construction structure in the successive period provided by the invention, the later-period reinforced concrete structure comprises later-period concrete and later-period reinforcing steel bars pre-embedded in the later-period concrete, and the later-period reinforcing steel bars are connected with the reinforcing steel bar sleeve.
In order to solve the above technical problems, another technical solution provided by the present invention is: a construction method of a structural column of a sequential construction structure,
constructing a preliminary template on the periphery of the steel upright;
constructing early concrete in an early template, and embedding early steel bars and steel bar sleeves in the early concrete, wherein the steel bar sleeves are arranged to be flush with the structural surface of the formed early steel bar concrete structure;
and a protection piece for preventing mud from being poured is arranged on the steel bar sleeve.
Further, the invention provides a construction method of a structural column of a sequential construction structure,
dismantling the early template; constructing a later template;
removing the protective piece on the steel bar sleeve;
connecting the later reinforcing steel bars with the reinforcing steel bar sleeves;
and forming a later reinforced concrete structure for the steel upright posts at the later stage and the later stage concrete in the later stage of the later stage steel bar pouring.
Further, according to the construction method of the structural column of the construction structure in the sequence provided by the invention, the protection piece is a protection sleeve sleeved on the outer diameter of the steel bar sleeve.
Further, according to the construction method of the structural column of the sequential construction structure provided by the invention, the protection piece is a plunger inserted into the inner diameter of the steel bar sleeve.
In order to solve the above technical problem, another technical solution provided by the present invention is: a construction method of a basement structure column adopts the construction method of the structure column of the early and later construction structure, and comprises the following steps:
constructing a steel upright post;
digging the upper soil body of the basement, and constructing an upper bottom plate of the basement;
digging a lower soil body of the basement, and constructing a lower bottom plate of the basement;
constructing a reinforced concrete structure at the upper layer or the lower layer of the basement at the corresponding position of the steel upright post as an advanced construction structure;
and constructing a reinforced concrete structure of the lower layer of the basement or the upper layer of the basement at the corresponding steel upright post position to serve as a later construction structure.
Compared with the prior art, the structural column of the successive construction structure, the basement structural column and the construction method thereof provided by the invention have the advantages that the end surface of the steel bar sleeve is flush with the structural surface of the previous reinforced concrete structure, but does not extend to the outer side of the structural surface of the previous reinforced concrete structure, the previous steel bar can be arranged in the steel bar sleeve and can also be aligned with the end surface of the steel bar sleeve, the embedded steel bar sleeve and the previous steel bar in the embedded steel bar sleeve cannot be corroded and damaged or cannot be collided by other construction operation to cause damage or deformation because the steel bar sleeve and the steel bar are all embedded in the previous reinforced concrete structure, when the later steel bar is connected through the steel bar sleeve, the nondestructive construction is ensured at the joint of the previous and later steel bars, the construction quality of the successive steel bar is improved, therefore, the stress of the construction structure at the interface in the sequence is ensured, the engineering quality of the structural column at the interface is improved, the integral stress of the structural column is improved, and the structural stability of the whole building is improved. The structural column of the construction structure in the sequence provided by the invention is not only suitable for the basement structural column, but also suitable for the construction of the structural column of the ground building. According to the construction method of the structural column of the sequential construction structure and the basement structural column, the protective piece for preventing slurry from being poured is arranged on the reinforcing steel bar sleeve, so that the reinforcing steel bar sleeve is prevented from being blocked in the concrete pouring process or other objects, the protective piece is removed before the structure is constructed in the later stage, and the connection quality and the lossless construction of the sequential reinforcing steel bars through the reinforcing steel bar sleeve are guaranteed.
Drawings
FIG. 1 is a schematic cross-sectional structural view of a structural column of a prior art sequential construction structure;
FIG. 2 is a schematic top view of a structural column of the present invention;
FIGS. 3 to 5 are schematic views illustrating a construction process of a sectional structure of a structural column of a sequential construction structure according to the present invention;
fig. 6 is a flowchart of a construction method of a basement structural column according to an embodiment of the present invention;
fig. 7 is a flowchart of a construction method of a structural column of a sequential construction structure according to an embodiment of the present invention.
Prior art diagrams: 1. structural column, 10, steel upright, 20, reinforced concrete, 21, reinforcing steel, 22, reinforcing steel, 23, concrete, 23a, structural plane.
The invention is illustrated in the following figures: 100. structural column, 110, steel column, 120, early reinforced concrete structure, 121, steel bar, 122, steel bar sleeve, 123, concrete, 123a, structural plane, 130, interface, 140, late reinforced concrete structure, 200 and template.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
referring to fig. 2 to 5, an embodiment of the present invention provides a structural column 100 of a sequential construction structure, including a steel column 110, and a pre-reinforced concrete structure 120 and a post-reinforced concrete structure 140 constructed to wrap the steel columns 110, the structural surface 123a of the early reinforced concrete structure 120 and the structural surface of the late reinforced concrete structure 140 form an interface 130, the early reinforced concrete structure 120 comprises early concrete 123, early reinforcing steel bars 12 pre-embedded in the early concrete 123, and reinforcing steel bar sleeves 122 distributed and connected corresponding to the early reinforcing steel bars 121, the structural surface of the advanced reinforced concrete structure 120 is a plane, the steel sleeve 122 is embedded in the advanced concrete 123, and the end surface of the steel sleeve 122 located on one side of the structural surface of the advanced reinforced concrete structure 120 is flush with the structural surface 123a of the advanced reinforced concrete structure 120. That is, the bottom surface or the top surface of the steel sleeve 122 is on the same horizontal line with the structural surface 123a of the prior reinforced concrete structure 120, wherein the structural surface 123a of the prior reinforced concrete structure 120 may be the upper end surface of the prior reinforced concrete structure 120 or the lower end surface of the prior reinforced concrete structure 120, and is an upper plane or a lower plane depending on whether the construction position of the prior reinforced concrete structure 120 is located above or below the interface 130. Fig. 4 and 5 show the prior reinforced concrete structure 120 being located above the interface 130 such that the bottom surface of the sleeve 122 is flush with the structural surface 123a of the prior reinforced concrete structure 120.
Referring to fig. 2 and 3, in the structural column 100 of the preface construction structure according to the embodiment of the present invention, the distribution of the reinforcement sleeves 122 corresponds to the distribution of the preface reinforcements 121. Meanwhile, since the later-stage reinforcing steel bars are connected with the earlier-stage reinforcing steel bars through the reinforcing steel bar sleeve 122, the reinforcing steel bar sleeve 122 and the later-stage reinforcing steel bars are correspondingly distributed. Wherein the reinforced concrete 120 in fig. 2 and 3 includes the early steel bars 121 and the steel bar sleeves 122. The reinforcing bar sleeve 122 may be a reinforcing bar connector, and the early reinforcing bar 121 may be located inside the reinforcing bar sleeve 122 or may be aligned with an end surface of the reinforcing bar sleeve 122.
Referring to fig. 5, in the structural column 100 of the sequential construction structure according to the embodiment of the present invention, the prior reinforced concrete structure 120 located above the interface 130 is a prior construction structure, and the later reinforced concrete structure 140 located below the interface 130 is a later construction structure. In this construction mode, the early construction structure is above the interface, and the late construction structure is below the interface, and is particularly suitable for the construction operation of the reverse construction method.
In the structural column 100 of the earlier construction structure according to the embodiment of the present invention, the earlier reinforced concrete structure located below the interface 130 is the earlier construction structure, and the later reinforced concrete structure located above the interface 130 is the later construction structure. In the construction mode, the early construction structure is arranged below the interface, and the later construction structure is arranged above the interface, so that the construction method is particularly suitable for construction operation of ground buildings.
Of course, the position relationship between the early construction structure and the later construction structure relative to the interface in the above embodiment of the invention can be adjusted according to the actual construction environment.
Referring to fig. 5, in the structural column 100 of the construction structure according to the embodiment of the present invention, the later-stage reinforced concrete structure 140 includes later-stage concrete and later-stage reinforcing bars embedded in the later-stage concrete, and the later-stage reinforcing bars are connected to the reinforcing bar sleeves 122.
In the structural column 100 of the preface construction structure provided by the embodiment of the invention, the steel bar sleeve 122 is flush with the structural surface of the preface reinforced concrete structure 120, but not extends to the outer side of the structural surface of the preface reinforced concrete structure 120, at this time, the preface steel bars 121 can be arranged in the steel bar sleeve 122 and also can be aligned with the end surface of the steel bar sleeve 122, because the steel bar sleeve 122 and the preface steel bars 122 in the steel bar sleeve 122 are all embedded in the preface reinforced concrete structure 120, the embedded steel bar sleeve 122 and the preface steel bars 121 in the embedded steel bar sleeve cannot be corroded to be damaged, and cannot be damaged or deformed due to collision caused by other construction operations, when the preface steel bars are connected through the steel bar sleeve 122, the nondestructive construction is ensured at the joints of the preface steel bars, the construction quality of the preface steel bars is improved, thereby ensuring the stress of the preface construction structure at the, the engineering quality of the structural column 100 at the interface 130 is improved, as well as the overall stress of the structural column 100 and the structural stability of the entire building. The structural column 100 of the construction structure in the sequence provided by the embodiment of the invention is not only suitable for the basement structural column 100, but also suitable for the construction of the structural column 100 of the ground building.
Referring to fig. 7, an embodiment of the present invention further provides a construction method of the structural column 100 of the early-later construction structure, including the following steps:
in step 303, a protector (not shown) for preventing mud from being poured is provided on the reinforcing sleeve 122. The protection member may be a protection sleeve sleeved on the outer diameter of the steel bar sleeve 122, or the protection member may be a plunger such as a wooden plug or a rubber plug inserted into the inner diameter of the steel bar sleeve 122.
Referring to fig. 7, the construction method of the structural column 100 of the sequential construction structure according to the embodiment of the present invention may further include the following steps:
Referring to fig. 6, an embodiment of the present invention further provides a construction method of a basement structural column 100, where the construction method of the structural column 100 using the early-later construction structure includes:
and 405, constructing a reinforced concrete structure of the lower layer of the basement or the upper layer of the basement at the position of the corresponding steel upright post 110 to serve as a later construction structure.
According to the structural column 100 of the construction structure in the successive period and the construction method of the basement structural column 100, the protective piece for preventing slurry from being poured is arranged on the reinforcing steel bar sleeve 122, so that the reinforcing steel bar sleeve 122 is prevented from being blocked in the concrete pouring process or other objects, the protective piece is removed before the construction structure in the later period, and the connection quality and the lossless construction of the reinforcing steel bars in the earlier period and the reinforcing steel bars in the later period through the reinforcing steel bar sleeve 122 are guaranteed. The construction method of the basement structure column can improve the stability and the safety of the basement structure column.
The present invention is not limited to the above-described embodiments, and various changes made within the scope of the claims of the present invention are within the scope of the present invention.
Claims (10)
1. A structural column of a sequential construction structure is characterized by comprising a steel upright column, a prior reinforced concrete structure and a later reinforced concrete structure which are used for wrapping the steel upright column for construction, the structural surface of the early reinforced concrete structure and the structural surface of the later reinforced concrete structure form an interface, the early reinforced concrete structure comprises early concrete, early reinforcing steel bars pre-embedded in the early concrete and reinforcing steel bar sleeves distributed and connected with the early reinforcing steel bars correspondingly, the structural surface of the advanced reinforced concrete structure is a plane, the reinforced sleeve is pre-embedded in the advanced concrete, the end surface of the reinforced sleeve positioned at one side of the structural surface of the advanced reinforced concrete structure is flush with the structural surface of the advanced reinforced concrete structure, wherein the structural surface of the prior reinforced concrete structure is the upper end surface or the lower end surface of the prior reinforced concrete structure.
2. The structural column of a sequential construction structure of claim 1, wherein the rebar sleeve is a rebar connector.
3. The structural column of a sequential construction structure according to claim 1, wherein the prior reinforced concrete structure located above the interface is a prior construction structure, and the later reinforced concrete structure located below the interface is a later construction structure.
4. The structural column of a sequential construction structure according to claim 1, wherein the prior reinforced concrete structure below the interface is a prior construction structure and the later reinforced concrete structure above the interface is a later construction structure.
5. The structural column of a sequential construction structure according to claim 1, wherein the later reinforced concrete structure comprises later concrete and later reinforcing bars embedded in the later concrete, and the later reinforcing bars are connected with the reinforcing bar sleeves.
6. A method of constructing a structural column of a sequential construction structure according to any one of claims 1 to 5,
constructing a preliminary template on the periphery of the steel upright;
constructing early concrete in an early template, and embedding early steel bars and steel bar sleeves in the early concrete, wherein the steel bar sleeves are arranged to be flush with the structural surface of the formed early steel bar concrete structure;
and a protection piece for preventing mud from being poured is arranged on the steel bar sleeve.
7. The method of constructing a structural column of a sequential construction structure according to claim 6,
dismantling the early template; constructing a later template;
removing the protective piece on the steel bar sleeve;
connecting the later reinforcing steel bars with the reinforcing steel bar sleeves;
and forming a later reinforced concrete structure for the steel upright posts at the later stage and the later stage concrete in the later stage of the later stage steel bar pouring.
8. The method of constructing a structural column of a sequential construction structure of claim 6, wherein the protective member is a protective sleeve fitted over the outer diameter of the sleeve of rebar.
9. The method of constructing a structural column of a sequential construction structure according to claim 6, wherein the protective member is a plunger inserted into an inner diameter of the sleeve of reinforcing bars.
10. A construction method of a structural column of a basement structure, characterized in that the construction method of a structural column of a sequential construction structure according to any one of claims 6 to 8 is adopted, and comprises:
constructing a steel upright post;
digging the upper soil body of the basement, and constructing an upper bottom plate of the basement;
digging a lower soil body of the basement, and constructing a lower bottom plate of the basement;
constructing a reinforced concrete structure at the upper layer or the lower layer of the basement at the corresponding position of the steel upright post as an advanced construction structure;
and constructing a reinforced concrete structure of the lower layer of the basement or the upper layer of the basement at the corresponding steel upright post position to serve as a later construction structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010310532.0A CN111456323A (en) | 2020-04-20 | 2020-04-20 | Structure column of early and later construction structure, basement structure column and construction method of basement structure column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010310532.0A CN111456323A (en) | 2020-04-20 | 2020-04-20 | Structure column of early and later construction structure, basement structure column and construction method of basement structure column |
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| Publication Number | Publication Date |
|---|---|
| CN111456323A true CN111456323A (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010310532.0A Pending CN111456323A (en) | 2020-04-20 | 2020-04-20 | Structure column of early and later construction structure, basement structure column and construction method of basement structure column |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114775810A (en) * | 2022-05-31 | 2022-07-22 | 中冶赛迪工程技术股份有限公司 | Steel structure column-concrete column building joint structure and construction method |
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