CN104452812A - Construction method of basement outer wall - Google Patents
Construction method of basement outer wall Download PDFInfo
- Publication number
- CN104452812A CN104452812A CN201410729654.8A CN201410729654A CN104452812A CN 104452812 A CN104452812 A CN 104452812A CN 201410729654 A CN201410729654 A CN 201410729654A CN 104452812 A CN104452812 A CN 104452812A
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- basement
- wall
- construction
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- steel pipe
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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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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention provides a construction method of a basement outer wall. The basement outer wall is constructed in a mode of disassembling a middle beam, the safety of a foundation pit is ensured in the process of disassembling the middle beam through replacing supports with support steel pipes, after the supports are replaced, steel bars are arranged in guard posts, the inner sides of the guard posts are smoothened with mortar so as to form water-proof layers, and then, the guard posts are welded with the steel bars by split bolts. A building area within red lines is sufficiently utilized under the conditions of ensuring construction safety and construction quality, and project benefit is improved. Besides, only formwork on one side needs to be propped during construction, one construction procedure is eliminated, the construction period is shortened, and the construction cost is reduced.
Description
Technical field
The present invention relates to technical field of building construction, particularly a kind of construction method of outer wall of basement.
Background technology
Along with the progress of urbanization, construction land day is becoming tight.Building, in order to obtain as far as possible large usable floor area on limited soil, utilizes height space to become highrise building on the one hand, on the other hand to the underground development utilization underground space.These two kinds of trend all make the basement of building do darker and darker, and the foundation depth of building excavation strengthens thereupon.In order to ensure the safety of the stable of construction stage foundation ditch and surrounding building, town road and facility, darker building foundation pit all can use space enclosing structure and support system.
The construction operation of outer wall of basement, normally after space enclosing structure has been constructed, comprises in the basic process of the construction operation of outer wall of basement: first, releases the extension line of outer wall of basement; Then, the reinforcing bar of outer wall of basement is arranged; Then, outer wall template is installed in the mode of bilateral formwork; Afterwards, outer wall of basement concrete is built; Reach when design strength requires until concrete and remove outer wall template.
But current most of deep-foundation pit engineering is located in urban district, surrounding enviroment are complicated, and land used is nervous.In order to maximally utilise land resources, give full play to the building function of built building, the outer edge distance of fender post and outer wall of basement is mostly from obtaining very, almost without operation side during outer wall template construction operation, the waist rail that even there is fender post has been advanced by leaps and bounds to the situation in outer wall of basement, because construction space belongs to negative space, therefore cannot conventionally carry out normal formwork and reinforce by External Wall.Waist rail is most important in fender post, after fender post has been constructed, and disturbance waist rail of trying not.Once waist rail goes wrong, probably cause Important Project accident.Therefore, waist rail is not generally removed in outer wall of basement work progress, is all by revising former design substantially, reduces architectural space and avoids waist rail position.
Summary of the invention
The object of the present invention is to provide a kind of construction of outer wall of basement, not enough with construction space in the work progress solving existing outer wall of basement, even there is negative space so that cannot the problem of normal formwork.
For solving the problems of the technologies described above, the invention provides a kind of construction method of outer wall of basement, the construction method of described outer wall of basement comprises:
According to the physical location of waist rail and design attitude determination occupy-place place of outer wall of basement;
Support replacement is carried out to the waist rail being positioned at occupy-place place;
Remove the described waist rail being positioned at occupy-place place;
Metope leveling and waterproofing work are carried out to fender post;
Described fender post carries out bar planting and welds split bolt;
Arrange reinforcing bar;
Carry out single side formwork;
Concreting, to form outer wall of basement.
Optionally, in the construction method of described outer wall of basement, the spacing of described waist rail and described outer wall of basement is less than construction requirement.
Optionally, in the construction method of described outer wall of basement, described waist rail is advanced by leaps and bounds to the position of described outer wall of basement.
Optionally, in the construction method of described outer wall of basement, the process of the described waist rail being positioned at occupy-place place being carried out to support replacement comprises:
Subcellar base plate arranges multiple terrace with edge block of wood;
By one end vertical support of supporting steel pipe on described terrace with edge block of wood;
The other end of supporting steel pipe is supported on fender post.
Optionally, in the construction method of described outer wall of basement, the angle of described terrace with edge block of wood is 45 °, and the diameter of described supporting steel pipe is at more than 500mm.
Optionally, in the construction method of described outer wall of basement, the diameter of described supporting steel pipe is 600mm.
Optionally, in the construction method of described outer wall of basement, the process of carrying out single side formwork comprises:
Basement bottom board arranges multiple embedded steel tube;
One end of diagonal brace steel pipe is supported and fixes with the embedded steel tube in described basement bottom board;
The other end of described diagonal brace steel pipe is fixed in template.
Optionally, in the construction method of described outer wall of basement, described diagonal brace steel pipe is identical with the diameter of embedded steel tube, and the ground height of described embedded steel tube is at more than 300mm, and the subterranean depth of described embedded steel tube is at more than 250mm.
Optionally, in the construction method of described outer wall of basement, the diameter of described diagonal brace steel pipe and embedded steel tube is 48mm, and the ground height of described embedded steel tube is 400mm, and the subterranean depth of described embedded steel tube is 350mm.
Optionally, in the construction method of described outer wall of basement, after welding split bolt, before the reinforcing bar arranging outer wall of basement, also comprise and the construction of set aside pre-embedded steel pipe and outside waterproof construction are carried out to basement bottom board or basement floor.
In the construction method of the outer wall of basement provided in the embodiment of the present invention, the mode of removing waist rail is adopted to carry out the construction of outer wall of basement, in the process of removing waist rail, utilize supporting steel pipe support replacement to guarantee the safety of foundation ditch, after support replacement, reinforcing bar is implanted in fender post, form waterproofing course with the inner side of the floating fender post of mortar, adopt split bolt and reinforcement welding afterwards, the basis ensureing construction safety and construction quality make use of building area in red line fully, improve Project Benefit, and, only need during construction to install a side template, decrease one working procedure, shorten construction period, reduce construction cost.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the construction method of the outer wall of basement of the embodiment of the present invention;
Fig. 2 is the sectional view in the construction of the outer wall of basement of the embodiment of the present invention, the waist rail being positioned at occupy-place place being carried out to support replacement operation;
Fig. 3 is the sectional view of single side formwork operation in the construction of the outer wall of basement of the embodiment of the present invention;
Fig. 4 is the enlarged diagram of region A in Fig. 3.
Detailed description of the invention
Be described in further detail below in conjunction with the construction method of the drawings and specific embodiments to the outer wall of basement that the present invention proposes.According to the following describes and claims, advantages and features of the invention will be clearer.It should be noted that, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, the aid illustration embodiment of the present invention lucidly.
Please refer to Fig. 1, it is the schematic flow sheet of the construction method of the outer wall of basement of the embodiment of the present invention.As shown in Figure 1, the construction method of described outer wall of basement comprises:
S10: according to the physical location of waist rail and design attitude determination occupy-place place of outer wall of basement;
S11: support replacement is carried out to the waist rail being positioned at occupy-place place;
S12: remove the described waist rail being positioned at occupy-place place;
S13: metope leveling and waterproofing work are carried out to fender post;
S14: carry out bar planting and weld split bolt on described fender post;
S15: arrange reinforcing bar;
S16: carry out single side formwork;
S17: concreting, to form outer wall of basement.
Concrete, after fender post construction terminates, the physical location of waist rail is determined.Needed to confirm whether the spacing of waist rail and outer wall of basement is less than construction requirement, whether occurs that waist rail is advanced by leaps and bounds to the situation of outer wall of basement before the construction carrying out outer wall of basement.Wherein, described waist rail is anchor cable waist rail.
In the present embodiment, the spacing of described waist rail and described outer wall of basement is less than construction requirement, and described waist rail is advanced by leaps and bounds to the position of described outer wall of basement.
When carrying out the construction of outer wall of basement, first, according to the physical location of waist rail and design attitude determination occupy-place place of outer wall of basement, described occupy-place place refers to that the spacing of waist rail and outer wall of basement is less than the position of construction requirement.Such as, the spacing of construction requirement waist rail and outer wall of basement is at more than 50mm, and the spacing of the portion of described waist rail and outer wall of basement is 30mm, then this portion is occupy-place place.Again such as, the spacing of construction requirement waist rail and outer wall of basement is at more than 50mm, and the spacing of the portion of described waist rail and outer wall of basement is-10mm, then this portion is occupy-place place, and now the portion of waist rail is advanced by leaps and bounds to outer wall of basement.Wherein, described waist rail is anchor cable waist rail.
In the present embodiment, fender post is after construction completes, and the waist rail of fender post has been advanced by leaps and bounds to the position of outer wall of basement, affects the construction of outer wall of basement.Described occupy-place place is that waist rail is advanced by leaps and bounds to the position of outer wall of basement.
Then, support replacement is carried out to the waist rail being positioned at occupy-place place, namely replace with other braced structuress the waist rail being positioned at occupy-place place.Please refer to Fig. 2, it is the sectional view in the construction of the outer wall of basement of the embodiment of the present invention, the waist rail being positioned at occupy-place place being carried out to support replacement operation.As shown in Figure 2, before carrying out support replacement, described basement bottom board 21 is provided with structural column 23 and subcellar base plate 22, described structural column 23 is between described basement bottom board 21 and subcellar base plate 22, described subcellar base plate 22 is provided with the base of multiple terrace with edge block of wood 24 as support replacement, the position of described terrace with edge block of wood 24 is general near pillar, beam place (not shown), and the angle of described terrace with edge block of wood 24 is 45 °.
In the present embodiment, described supporting steel pipe 25 is utilized to replace the waist rail of described occupy-place place and play a supporting role.Please continue to refer to Fig. 2, the detailed process utilizing described supporting steel pipe 25 to carry out support replacement comprises: first, and basement bottom board 21 arranges multiple terrace with edge block of wood 24, and described multiple terrace with edge block of wood 24 is all near pillar, Liang Chu; Then, by one end vertical support of supporting steel pipe 25 on described terrace with edge block of wood 24; Then, the other end of supporting steel pipe 25 is supported on fender post 10.After support replacement, one end of described supporting steel pipe 25 is all supported on basement bottom board 21 by described terrace with edge block of wood 24, and the other end of described supporting steel pipe 25 is all supported on fender post 10
Then, the waist rail being positioned at occupy-place place is removed.Because supporting steel pipe 25 has replaced the waist rail being positioned at occupy-place place to play a supporting role, therefore remove when being positioned at the waist rail of occupy-place place and can not affect other structures.
After this, metope leveling is carried out to the inner side of described fender post 10, namely uses mortar floating.After metope leveling completes, waterproofing work is carried out to metope, to form a waterproofing course in the outside of outer wall of basement.Described waterproofing work adopts penetration crystallization type water proofing paint.
Afterwards, described fender post 10 carry out bar planting and weld split bolt 14.Please refer to Fig. 3, it is the sectional view of single side formwork operation in the construction of the outer wall of basement of the embodiment of the present invention.As shown in Figure 3, after bar planting, two sections of lacing wires 15 overlap and stretch in fender post 10, and split bolt 14 is fixed by welding and lacing wire 15.
Then, according to the dimensional requirement of design drawing, vertical reinforcement and the horizontal reinforcement of outer wall of basement is arranged.
After fixing split bolt 14, before the reinforcing bar arranging outer wall of basement, also comprise and the construction of set aside pre-embedded steel pipe and outside waterproof construction are carried out to basement bottom board 21 or basement floor 22.
After the reinforcement placement of outer wall of basement completes, carry out single side formwork construction operation, namely install one template in the inner side of outer wall of basement, and fix described template by the lacing wire 15 that fender post 10 is arranged.Incorporated by reference to reference to figure 3 and Fig. 4, described basement bottom board 21 is provided with multiple embedded steel tube 18, and the ground height h2 of described embedded steel tube 18 is at more than 300mm, and the subterranean depth h2 ' of described embedded steel tube 18 is at more than 250mm.In the present embodiment, the ground height h2 of described embedded steel tube 18 is 400mm, and the subterranean depth h2 ' of described embedded steel tube 18 is 350mm.
Please continue to refer to Fig. 3, the detailed process of carrying out single side formwork comprises: first, and basement bottom board 21 arranges multiple embedded steel tube 18; Then, the embedded steel tube 18 in one end of diagonal brace steel pipe 17 and described basement bottom board 21 is fixed; Then, the other end of described diagonal brace steel pipe 17 is fixed in template 20.
Described diagonal brace steel pipe 17 is fixedly connected with embedded steel tube 18, can strengthen the stability supported.Wherein, the equal diameters of described diagonal brace steel pipe 17 and embedded steel tube 18.
Preferably, the diameter of described diagonal brace steel pipe 17 and embedded steel tube 18 is at more than 45mm.Preferred, the diameter of described diagonal brace steel pipe 17 and embedded steel tube 18 is 48mm.
After formwork erection completes, carry out concreting.After concreting completes, reach after design strength requirement until concrete, stripping, thus form outer wall of basement.
In the present embodiment, in order to take full advantage of the building area in red line, the mode of removing waist rail is adopted to carry out the construction of outer wall of basement.In the process of removing waist rail, utilize described supporting steel pipe 25 support replacement to guarantee the safety of foundation ditch.After support replacement, form waterproofing course with the inner side of the floating fender post of mortar, and, adopt split bolt 14 to weld with lacing wire 15, thus effectively control verticality and the planeness of metope, prevent concrete burst-mode.
The construction method of described outer wall of basement obtains good result in practice of construction, adopt the construction method of described outer wall of basement can win work plane for the construction of outer wall of basement, whole foundation ditch is allowed to obtain the utilization of maximal efficiency, thus the building area maximally utilised in red line, thus add Project Benefit.And by the inner side of fender post directly as the outboard template of outer wall of basement, job site only needs the inner side template installing outer wall of basement, decrease one working procedure, reduce artificial work amount, saved the engineering time, improve efficiency of construction, decrease the use of mould material.
To sum up, in the construction method of the outer wall of basement provided in the embodiment of the present invention, the mode of removing waist rail is adopted to carry out the construction of outer wall of basement, in the process of removing waist rail, utilize supporting steel pipe support replacement to guarantee the safety of foundation ditch, waterproofing course is formed with the inner side of the floating fender post of mortar after support replacement, and adopt split bolt and reinforcement welding, the basis ensureing construction safety and construction quality make use of building area in red line fully, improve Project Benefit, and, only need during construction to install a side template, decrease one working procedure, shorten construction period, reduce construction cost.
Foregoing description is only the description to present pre-ferred embodiments, any restriction not to the scope of the invention, and any change that the those of ordinary skill in field of the present invention does according to above-mentioned disclosure, modification, all belong to the protection domain of claims.
Claims (10)
1. a construction method for outer wall of basement, is characterized in that, comprising:
According to the physical location of waist rail and design attitude determination occupy-place place of outer wall of basement;
Support replacement is carried out to the waist rail being positioned at occupy-place place;
Remove the described waist rail being positioned at occupy-place place;
Metope leveling and waterproofing work are carried out to fender post;
Described fender post carries out bar planting and welds split bolt;
Arrange reinforcing bar;
Carry out single side formwork;
Concreting, to form outer wall of basement.
2. the construction method of outer wall of basement as claimed in claim 1, it is characterized in that, the spacing of described waist rail and described outer wall of basement is less than construction requirement.
3. the construction method of outer wall of basement as claimed in claim 2, it is characterized in that, described waist rail is advanced by leaps and bounds to the position of described outer wall of basement.
4. the construction method of outer wall of basement as claimed in claim 1, it is characterized in that, the process of the described waist rail being positioned at occupy-place place being carried out to support replacement comprises:
Subcellar base plate arranges multiple terrace with edge block of wood;
By one end vertical support of supporting steel pipe on described terrace with edge block of wood;
The other end of supporting steel pipe is supported on fender post.
5. the construction method of outer wall of basement as claimed in claim 4, it is characterized in that, the angle of described terrace with edge block of wood is 45 °, and the diameter of described supporting steel pipe is at more than 500mm.
6. the construction method of outer wall of basement as claimed in claim 5, it is characterized in that, the diameter of described supporting steel pipe is 600mm.
7. the construction method of outer wall of basement as claimed in claim 1, it is characterized in that, the process of carrying out single side formwork comprises:
Basement bottom board arranges multiple embedded steel tube;
Embedded steel tube in one end of diagonal brace steel pipe and basement bottom board is fixed;
The other end of diagonal brace steel pipe is fixed in template.
8. the construction method of outer wall of basement as claimed in claim 7, it is characterized in that, described diagonal brace steel pipe is identical with the diameter of embedded steel tube, and the ground height of described embedded steel tube is at more than 300mm, and the subterranean depth of described embedded steel tube is at more than 250mm.
9. the construction method of outer wall of basement as claimed in claim 8, it is characterized in that, the diameter of described diagonal brace steel pipe and embedded steel tube is 48mm, and the ground height of described embedded steel tube is 400mm, and the subterranean depth of described embedded steel tube is 350mm.
10. the construction method of outer wall of basement as claimed in claim 1, it is characterized in that, after welding split bolt, before the reinforcing bar arranging outer wall of basement, also comprise and the construction of set aside pre-embedded steel pipe and outside waterproof construction are carried out to basement bottom board or basement floor.
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| CN201410729654.8A CN104452812B (en) | 2014-12-04 | 2014-12-04 | The construction method of outer wall of basement |
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| CN201410729654.8A CN104452812B (en) | 2014-12-04 | 2014-12-04 | The construction method of outer wall of basement |
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| CN104452812A true CN104452812A (en) | 2015-03-25 |
| CN104452812B CN104452812B (en) | 2016-09-14 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105113512A (en) * | 2015-08-05 | 2015-12-02 | 中国建筑第八工程局有限公司 | Bracing substitution at missed place of beam plate in foundation pit support structure and construction method thereof |
| CN105464133A (en) * | 2015-12-31 | 2016-04-06 | 上海建工集团股份有限公司 | Construction method for long-distance underground passage side wall assembly type formwork |
| CN106592754A (en) * | 2016-12-27 | 2017-04-26 | 中建四局第五建筑工程有限公司 | Method for guaranteeing waterproof construction quality of deep foundation pit basement |
| CN106677533A (en) * | 2017-01-17 | 2017-05-17 | 上海建工建集团有限公司 | Basement exterior wall single-side formwork supporting system and method |
| CN107524471A (en) * | 2017-10-18 | 2017-12-29 | 北京建工路桥工程建设有限责任公司 | A kind of tunnel end plugging construction method |
| CN107893529A (en) * | 2017-11-28 | 2018-04-10 | 中建局集团建设发展有限公司 | Suitable for deep basal pit outer wall of basement PC template systems and its construction method |
| CN108532939A (en) * | 2017-03-03 | 2018-09-14 | 上海宝冶集团有限公司 | Shear wall single side formwork method |
| CN109469104A (en) * | 2019-01-17 | 2019-03-15 | 深圳市建筑设计研究总院有限公司 | Basement and its building |
| CN109914697A (en) * | 2019-04-18 | 2019-06-21 | 中民筑友房屋科技集团有限公司 | A kind of assembling frame structural construction prefabricated post |
| CN113338332A (en) * | 2021-04-26 | 2021-09-03 | 上海建工四建集团有限公司 | Reverse construction method for slightly weathered rock area |
| CN114086761A (en) * | 2021-10-11 | 2022-02-25 | 中建四局土木工程有限公司 | Template supporting structure |
| CN118704528A (en) * | 2024-08-28 | 2024-09-27 | 北京国际建设集团有限公司 | Reverse-attached waterproof structure for cantilever end of pile foundation at high-low span and construction method thereof |
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Cited By (16)
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| CN105113512A (en) * | 2015-08-05 | 2015-12-02 | 中国建筑第八工程局有限公司 | Bracing substitution at missed place of beam plate in foundation pit support structure and construction method thereof |
| CN105464133A (en) * | 2015-12-31 | 2016-04-06 | 上海建工集团股份有限公司 | Construction method for long-distance underground passage side wall assembly type formwork |
| CN105464133B (en) * | 2015-12-31 | 2017-10-31 | 上海建工集团股份有限公司 | A kind of lower channel side wall assembled template construction method over long distances |
| CN106592754A (en) * | 2016-12-27 | 2017-04-26 | 中建四局第五建筑工程有限公司 | Method for guaranteeing waterproof construction quality of deep foundation pit basement |
| CN106677533A (en) * | 2017-01-17 | 2017-05-17 | 上海建工建集团有限公司 | Basement exterior wall single-side formwork supporting system and method |
| CN108532939A (en) * | 2017-03-03 | 2018-09-14 | 上海宝冶集团有限公司 | Shear wall single side formwork method |
| CN107524471A (en) * | 2017-10-18 | 2017-12-29 | 北京建工路桥工程建设有限责任公司 | A kind of tunnel end plugging construction method |
| CN107893529B (en) * | 2017-11-28 | 2023-03-28 | 中建一局集团建设发展有限公司 | PC template system suitable for outer wall of basement of deep foundation pit and construction method thereof |
| CN107893529A (en) * | 2017-11-28 | 2018-04-10 | 中建局集团建设发展有限公司 | Suitable for deep basal pit outer wall of basement PC template systems and its construction method |
| CN109469104A (en) * | 2019-01-17 | 2019-03-15 | 深圳市建筑设计研究总院有限公司 | Basement and its building |
| CN109469104B (en) * | 2019-01-17 | 2024-03-19 | 深圳市建筑设计研究总院有限公司 | Basement and building thereof |
| CN109914697A (en) * | 2019-04-18 | 2019-06-21 | 中民筑友房屋科技集团有限公司 | A kind of assembling frame structural construction prefabricated post |
| CN113338332A (en) * | 2021-04-26 | 2021-09-03 | 上海建工四建集团有限公司 | Reverse construction method for slightly weathered rock area |
| CN113338332B (en) * | 2021-04-26 | 2023-01-06 | 上海建工四建集团有限公司 | Reverse construction method for slightly weathered rock area |
| CN114086761A (en) * | 2021-10-11 | 2022-02-25 | 中建四局土木工程有限公司 | Template supporting structure |
| CN118704528A (en) * | 2024-08-28 | 2024-09-27 | 北京国际建设集团有限公司 | Reverse-attached waterproof structure for cantilever end of pile foundation at high-low span and construction method thereof |
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