CN1257149A - Integral foundation underpinning technology for building added floor - Google Patents
Integral foundation underpinning technology for building added floor Download PDFInfo
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- CN1257149A CN1257149A CN 98123196 CN98123196A CN1257149A CN 1257149 A CN1257149 A CN 1257149A CN 98123196 CN98123196 CN 98123196 CN 98123196 A CN98123196 A CN 98123196A CN 1257149 A CN1257149 A CN 1257149A
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Abstract
The monolithic underpinning technology for adding storey for building includes the following construction steps: (1) making new pile or underground continuous wall by existent stractural column; (2) making continuous pile capping beam and connecting existent stratural column with new pile; (3) reinforcing existent structural column; (4) excavation to make earthwork; (5) removing existent stractural column footing; (6) sectional excavation to make second step earthwork, making raft foundation or box foundation, and building them with bottom portion of new pile together; and (7). implementing ground and underground storey-adding structure construction of building. It not only retains the form of original building, but also increases usable floor area, and is applicable to renovation of various buildings, protection of ancient architecture and development of underground space.
Description
The present invention relates to a kind of construction technology of extra floor building.
Domestic and international existing floor addition of building construction technology is a Yan Gaojia layer on surface buildings, and its development generally is subjected to the restriction of bearing capacity of foundation soil and original structure self bearing capacity more.For some original appearances on the ground that both needed protection, require large tracts of land to expand the building historical relic of usage space again, extra floor building can only be added in underground, and just need to be purpose with the floor addition of building underpin the mass-type foundation of building for this.Present this technology beyond example still at home and abroad.
The mass-type foundation underpinning technique that the purpose of this invention is to provide a kind of floor addition of building, preserved building thing original appearance underpins the original building mass-type foundation, realizes building ground or the underground layer that adds, and expands space.
The scheme of the mass-type foundation underpinning technique of floor addition of building of the present invention has following construction sequence:
(1). make new stake or diaphragm wall on original structure post next door;
(2). make continuous apron piece, original structure post and new stake are coupled together, stake, post, beam are become one, allow upper load pass in stake by apron piece earlier;
(3). make original structure and reinforce;
(4). first step soil excavation;
(5). remove the original structure base for post;
(6). the second step cubic metre of earth excavation section by section, raft foundation beam and raft foundation or case base are made in segmentation, and all new stakes are coupled together in bottom and raft foundation, make it bear load of buildings;
(7). finish building ground, the construction of underground adding storey structure.
The practice of the new stake in the above-mentioned steps (1) is to jump every post with manually digging hole or machine drilling symmetry to do, and first new stake has been built after concrete grade reaches 30% or more, carries out second batch of new pile driving construction, during hand excavated pile, does earlier to do behind the retaining wall newly.
Continuous cushion cap beam main tendon penetrates the original structure shaft in the above-mentioned steps (2), uses resin anchoring, intersects the node place at continuous apron piece and original structure post, increases horizontal anchor bar along original structure post periphery.When running into the original structure patten, the secondary apron piece is made in the part, and in the end removes.
Be to add the steel bar concrete ring at the original structure post in the above-mentioned steps (3), become reinforced column, first floor original structure is reinforced and also can be done the first road Vierendeel girder and the reinforcing of first floor post on the ground, expands method of section with reinforcement, and at original structure shaft anchor shear reinforcement.
In the above-mentioned steps (5), remove original structure base for post part with Mechanical Method or quiet blasting procedure.
Adopt symmetrical balance excavation method in the above-mentioned steps (6).
In the above-mentioned steps (6) all new stakes are coupled together with pre-buried steel part and raft foundation in the bottom, place shearing resistance unloading steel pin key at the sole plate absolute altitude place of new stake.
Advantage of the present invention is: both kept the original building body, newly-increased in a large number again usable floor area is saved construction cost more than 40% than new construction.Be applicable to the transformation of all kinds of buildings, protect ancient building, the exploitation urban underground space plays a greater role existing building.
Below in conjunction with drawings and Examples the present invention is described in detail:
Fig. 1 is a job practices schematic diagram of the present invention.
Fig. 2 is the logical original structure shaft of wearing of the continuous cushion cap beam main tendon of the present invention, with the schematic diagram of resin anchoring.
Fig. 3 is the structural representation of continuous apron piece of the present invention and local two secondary apron pieces
Fig. 4 is that the quiet blasting procedure of the present invention is removed original structure patten embodiment schematic diagram.
Fig. 5 is that original structure post of the present invention is reinforced schematic diagram.
Fig. 6 is that the original structure of the first floor of the present invention is reinforced schematic diagram.
Fig. 7 is that raft foundation construction schematic diagram is made in the present invention's top excavation section by section and segmentation.
Embodiment: Beijing music hall alteration work, the owner requires that the building structure main body is motionless, the building overall height is constant, spectators' seat increases, increases the film Room, multi function hall, little assembly hall, VIP Room, hall for spectators to rest in, adds Air Conditioning Facilities, fire cistern system, increase-volume switchgear house, elevator stage, storehouse, other management room.24 on this project original structure post.Step (1) is done 48 new stakes altogether in two new stakes 2 of each original structure post 1 other do; New available manually digging hole of stake or machine drilling symmetry are jumped to dig every post and are done castinplace pile, and first new stake has been built after concrete grade reaches more than 30%, carries out second batch of new pile driving construction.During hand excavated pile, can make retaining wall earlier.
(2). make continuous apron piece 3, original structure post and new stake are coupled together, stake, post, beam are become one, cushion cap beam main tendon 4 penetrates the original structure shaft, with resin 9 anchorings.Apron piece is when running into the original structure patten continuously, and secondary apron piece 15 is made in the part, and secondary apron piece 15 is in the end removed.Intersect the node place at apron piece and original structure post, increase horizontal anchor bar 8 along original structure post periphery.
(3). making original structure and reinforce, is to make reinforced column 6 at original structure post external reinforcement steel bar concrete ring; The original structure of the first floor is reinforced and also can be done the first road Vierendeel girder 7 and the reinforcing of first floor post on the ground, expands method of section with reinforcement, is anchored a shear reinforcement 13 and a circle tension diagonal bar 14 at the original structure shaft, uses resin anchoring.
(4). first step soil excavation.
(5). remove original structure base for post 10 with Mechanical Method or quiet blasting procedure.The method of quiet blasting procedure is that first water bores and beats son 11, disconnects that base for post connects with apron piece and being connected of original structure base for post and new stake, then with Churn drill in original structure base for post boring 12, filling high-efficiency expanding agent, the dismounting of static blasting at last.
(6). adopt symmetrical balance excavation method to carry out the second step cubic metre of earth excavation section by section, raft foundation beam and raft foundation 5 or case base are made in segmentation, and all new stakes are built together in bottom and raft foundation, connect with built-in fitting, place shearing resistance unloading steel pin key at the sole plate absolute altitude place of new stake, make it bear load of buildings.
(7). make basement wall and top plate-girder 16, and be connected with continuous apron piece, finish building on the ground and the underground layer that adds construct.This embodiment increases basement 4000m newly
2, be 2.2 times of original structure projected area.
Claims (11)
1, a kind of mass-type foundation underpinning technique of floor addition of building is characterized in that following construction sequence is arranged:
(1). make new stake or diaphragm wall on original structure post next door;
(2). make continuous apron piece, original structure post and new stake are coupled together, stake, post, beam are become one;
(3). make original structure and reinforce;
(4). first step soil excavation;
(5). remove the original structure patten;
(6). the second step cubic metre of earth excavation section by section, raft foundation beam and raft foundation or case base are made in segmentation, and all new stakes are coupled together in bottom and raft foundation, make it bear load of buildings;
(7). finish building ground, the construction of underground adding storey structure.
2, the mass-type foundation underpinning technique of floor addition of building according to claim 1, it is characterized in that: the practice of the new stake in the described step (1) is to jump every post with manually digging hole or machine drilling symmetry to do, first new stake has been built after concrete grade reaches more than 30%, carries out second batch of new pile driving construction.
3, the mass-type foundation underpinning technique of floor addition of building according to claim 1 is characterized in that: the cushion cap beam main tendon penetrates the original structure shaft in the described step (2), uses resin anchoring.
4, the mass-type foundation underpinning technique of floor addition of building according to claim 1 is characterized in that: when running into the original structure base for post, the secondary apron piece is made in the part in the described step (2), and in the end removes.
5, the mass-type foundation underpinning technique of floor addition of building according to claim 1 is characterized in that: intersect the node place at apron piece and original structure post in the described step (2), increase horizontal anchor bar along original structure post periphery.
6, the mass-type foundation underpinning technique of floor addition of building according to claim 1 is characterized in that: be to add the steel bar concrete ring at the original structure post to become reinforced column in the described step (3).
7, the mass-type foundation underpinning technique of floor addition of building according to claim 1, it is characterized in that: the original structure of first floor reinforcing on the ground is to do the first road Vierendeel girder and the reinforcing of first floor post in the described step (3), expand method of section with reinforcement, be anchored shear reinforcement at the original structure shaft.
8, the mass-type foundation underpinning technique of floor addition of building according to claim 1 is characterized in that: in the described step (5), remove original structure base for post part with Mechanical Method or quiet blasting procedure.
9, the mass-type foundation underpinning technique of floor addition of building according to claim 1 is characterized in that: soil excavation adopts symmetrical balance excavation method in the described step (6).
10, the mass-type foundation underpinning technique of floor addition of building according to claim 1, it is characterized in that: in the described step (6) all new stakes are coupled together with pre-buried steel part and raft foundation in the bottom, place shearing resistance unloading steel pin key at the sole plate absolute altitude place of new stake.
11, the mass-type foundation underpinning technique of floor addition of building according to claim 2 is characterized in that: during described hand excavated pile, do earlier to do new stake behind the retaining wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98123196 CN1078294C (en) | 1998-12-11 | 1998-12-11 | Integral foundation underpinning technology for building added floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98123196 CN1078294C (en) | 1998-12-11 | 1998-12-11 | Integral foundation underpinning technology for building added floor |
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| CN1257149A true CN1257149A (en) | 2000-06-21 |
| CN1078294C CN1078294C (en) | 2002-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 98123196 Expired - Fee Related CN1078294C (en) | 1998-12-11 | 1998-12-11 | Integral foundation underpinning technology for building added floor |
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| CN100439634C (en) * | 2006-07-20 | 2008-12-03 | 上海建工股份有限公司 | Horizontal force transfer method for underground building modification |
| CN100443672C (en) * | 2006-03-08 | 2008-12-17 | 中铁隧道集团有限公司 | Underpinning method of pile ground underground |
| CN101806040A (en) * | 2010-03-25 | 2010-08-18 | 徐国彬 | Underpinning device and method for bridge and building |
| CN101886479A (en) * | 2010-07-14 | 2010-11-17 | 山东建筑大学 | Underground storey-adding process of frame structural building by one-by-one independent foundation underpinning method |
| CN102182325A (en) * | 2011-03-28 | 2011-09-14 | 东南大学 | Storey adding method for existing building basement with frame structure and independent foundation |
| CN102220769A (en) * | 2011-04-15 | 2011-10-19 | 上海天演建筑物移位工程有限公司 | System and method for underpinning and jacking building and adding storeys downwards |
| CN102733429A (en) * | 2012-06-29 | 2012-10-17 | 广州市胜特建筑科技开发有限公司 | Underpinning method for new tunnel to pass through existing building and underpinning system |
| CN102864946A (en) * | 2012-10-23 | 2013-01-09 | 山东建筑大学 | Process for supporting existing buildings through structural steel and horizontal rachel rod member and additionally adding multilayer basement |
| CN103104102A (en) * | 2013-01-31 | 2013-05-15 | 中国建筑第八工程局有限公司 | Construction method for underground storey-addition reconstruction |
| CN103437567A (en) * | 2013-08-30 | 2013-12-11 | 山东建筑大学 | Method for supporting existing building underground added storey through original pile foundations |
| CN105155867A (en) * | 2015-09-30 | 2015-12-16 | 贵州正业工程技术投资有限公司 | Underpinning device for tunnel to pass through existing large-diameter pile building |
| CN106639346A (en) * | 2016-10-10 | 2017-05-10 | 上海岩土工程勘察设计研究院有限公司 | Construction method for existing building downward storey-adding by using inclined strut underpinning structure |
| CN107237345A (en) * | 2017-06-15 | 2017-10-10 | 广州市胜特建筑科技开发有限公司 | A kind of method and system of quick control building settlement |
| CN107642252A (en) * | 2017-09-21 | 2018-01-30 | 青岛静力工程股份有限公司 | Old building free removal is double to increase rebuilding construction technique |
| CN107654082A (en) * | 2016-07-25 | 2018-02-02 | Ext株式会社 | Using basic building block it is vertical under to enlarging technique |
| CN108301635A (en) * | 2016-07-26 | 2018-07-20 | 朱奎 | The Basement reconstruction structure of bored pile foundation |
| CN108331367A (en) * | 2016-07-26 | 2018-07-27 | 朱奎 | The Basement reconstruction structure of raft foundation |
| CN108798065A (en) * | 2018-06-20 | 2018-11-13 | 桐乡市乌镇内利仿古园林建设有限公司 | A kind of integral jacking method of heritage buildings |
| CN109610874A (en) * | 2019-01-18 | 2019-04-12 | 央固工程科技（上海）有限公司 | Increase the basement and its construction process built inside existing workshop |
| CN111411791A (en) * | 2020-01-21 | 2020-07-14 | 武大巨成结构股份有限公司 | Existing foundation upper and lower column connecting structure and method for expanding underground space |
| CN113123361A (en) * | 2020-01-16 | 2021-07-16 | 中铁第六勘察设计院集团有限公司 | Safe underpinning system for municipal bridge pile foundation under shield tunnel and construction method thereof |
| CN114134931A (en) * | 2021-11-22 | 2022-03-04 | 上海建工一建集团有限公司 | Reverse construction method for existing building development basement structure |
| CN114541461A (en) * | 2022-03-03 | 2022-05-27 | 中庆建设有限责任公司 | Underpinning method for subway open cut area to penetrate through non-drainage power transfer tower foundation |
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| CN100443672C (en) * | 2006-03-08 | 2008-12-17 | 中铁隧道集团有限公司 | Underpinning method of pile ground underground |
| CN100439634C (en) * | 2006-07-20 | 2008-12-03 | 上海建工股份有限公司 | Horizontal force transfer method for underground building modification |
| CN101806040A (en) * | 2010-03-25 | 2010-08-18 | 徐国彬 | Underpinning device and method for bridge and building |
| CN101806040B (en) * | 2010-03-25 | 2012-05-30 | 徐国彬 | Underpinning device and method for bridge and building |
| CN101886479A (en) * | 2010-07-14 | 2010-11-17 | 山东建筑大学 | Underground storey-adding process of frame structural building by one-by-one independent foundation underpinning method |
| CN102182325A (en) * | 2011-03-28 | 2011-09-14 | 东南大学 | Storey adding method for existing building basement with frame structure and independent foundation |
| CN102182325B (en) * | 2011-03-28 | 2012-08-22 | 东南大学 | Storey adding method for existing building basement with frame structure and independent foundation |
| CN102220769A (en) * | 2011-04-15 | 2011-10-19 | 上海天演建筑物移位工程有限公司 | System and method for underpinning and jacking building and adding storeys downwards |
| CN102733429A (en) * | 2012-06-29 | 2012-10-17 | 广州市胜特建筑科技开发有限公司 | Underpinning method for new tunnel to pass through existing building and underpinning system |
| CN102864946A (en) * | 2012-10-23 | 2013-01-09 | 山东建筑大学 | Process for supporting existing buildings through structural steel and horizontal rachel rod member and additionally adding multilayer basement |
| CN103104102A (en) * | 2013-01-31 | 2013-05-15 | 中国建筑第八工程局有限公司 | Construction method for underground storey-addition reconstruction |
| CN103104102B (en) * | 2013-01-31 | 2015-07-01 | 中国建筑第八工程局有限公司 | Construction method for underground storey-addition reconstruction |
| CN103437567A (en) * | 2013-08-30 | 2013-12-11 | 山东建筑大学 | Method for supporting existing building underground added storey through original pile foundations |
| CN103437567B (en) * | 2013-08-30 | 2015-06-10 | 山东建筑大学 | Method for supporting existing building underground added storey through original pile foundations |
| CN105155867A (en) * | 2015-09-30 | 2015-12-16 | 贵州正业工程技术投资有限公司 | Underpinning device for tunnel to pass through existing large-diameter pile building |
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| CN108360561A (en) * | 2016-07-26 | 2018-08-03 | 朱奎 | The Basement reconstruction of raft foundation constructs |
| CN108360553A (en) * | 2016-07-26 | 2018-08-03 | 朱奎 | The construction method of Basement reconstruction construction with raft foundation building |
| CN108301635A (en) * | 2016-07-26 | 2018-07-20 | 朱奎 | The Basement reconstruction structure of bored pile foundation |
| CN108331367A (en) * | 2016-07-26 | 2018-07-27 | 朱奎 | The Basement reconstruction structure of raft foundation |
| CN108331154A (en) * | 2016-07-26 | 2018-07-27 | 朱奎 | Basement reconstruction construction method with raft foundation building |
| CN106639346A (en) * | 2016-10-10 | 2017-05-10 | 上海岩土工程勘察设计研究院有限公司 | Construction method for existing building downward storey-adding by using inclined strut underpinning structure |
| CN107237345A (en) * | 2017-06-15 | 2017-10-10 | 广州市胜特建筑科技开发有限公司 | A kind of method and system of quick control building settlement |
| CN107642252A (en) * | 2017-09-21 | 2018-01-30 | 青岛静力工程股份有限公司 | Old building free removal is double to increase rebuilding construction technique |
| CN108798065A (en) * | 2018-06-20 | 2018-11-13 | 桐乡市乌镇内利仿古园林建设有限公司 | A kind of integral jacking method of heritage buildings |
| CN108798065B (en) * | 2018-06-20 | 2020-08-07 | 桐乡市乌镇内利仿古园林建设有限公司 | Integral jacking method for ancient building |
| CN109610874A (en) * | 2019-01-18 | 2019-04-12 | 央固工程科技（上海）有限公司 | Increase the basement and its construction process built inside existing workshop |
| CN113123361A (en) * | 2020-01-16 | 2021-07-16 | 中铁第六勘察设计院集团有限公司 | Safe underpinning system for municipal bridge pile foundation under shield tunnel and construction method thereof |
| CN111411791A (en) * | 2020-01-21 | 2020-07-14 | 武大巨成结构股份有限公司 | Existing foundation upper and lower column connecting structure and method for expanding underground space |
| CN114134931A (en) * | 2021-11-22 | 2022-03-04 | 上海建工一建集团有限公司 | Reverse construction method for existing building development basement structure |
| CN114134931B (en) * | 2021-11-22 | 2023-11-28 | 上海建工一建集团有限公司 | Reverse construction method for developing basement structure of existing building |
| CN114541461A (en) * | 2022-03-03 | 2022-05-27 | 中庆建设有限责任公司 | Underpinning method for subway open cut area to penetrate through non-drainage power transfer tower foundation |
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