CN106285032A - Basement reconstruction structure with raft foundation building - Google Patents

Basement reconstruction structure with raft foundation building Download PDF

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Publication number
CN106285032A
CN106285032A CN201610638211.7A CN201610638211A CN106285032A CN 106285032 A CN106285032 A CN 106285032A CN 201610638211 A CN201610638211 A CN 201610638211A CN 106285032 A CN106285032 A CN 106285032A
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China
Prior art keywords
bearing column
stirrup
concrete
original
basement
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CN201610638211.7A
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Chinese (zh)
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CN106285032B (en
Inventor
朱奎
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Linyi Jiechuang Chemical Industrial Park Co ltd
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Individual
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Priority to CN201610638211.7A priority Critical patent/CN106285032B/en
Priority to CN201810152606.5A priority patent/CN108301635A/en
Priority to CN201810152600.8A priority patent/CN108360553A/en
Publication of CN106285032A publication Critical patent/CN106285032A/en
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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
    • E04G23/0266—Enlarging
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/48—Foundations inserted underneath existing buildings or constructions
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22—Piles
    • E02D5/64—Repairing piles
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/0007—Base structures; Cellars
    • 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
    • E04G23/06—Separating, lifting, removing of buildings; Making a new sub-structure
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00—Materials
    • E02D2300/0004—Synthetics
    • E02D2300/0018—Cement used as binder
    • E02D2300/002—Concrete

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paleontology (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

The invention discloses the Basement reconstruction structure of a kind of band raft foundation building, it is characterized in that utilizing original stake as basement bearing column, and removably lower chamber part bit position stake, carry out original stake reinforcing and form bearing column, use special connecting structure to carry out between bearing column with original stake and be effectively connected.Basement bottom board arranges shearing resistance muscle in bearing column position, and shearing resistance muscle is shaped as split heads shape.In concrete floor, original outer surface arranges watertight rubber ring, and it is in the middle part of concrete floor that watertight rubber ring arranges position, arranges ring seal groove along original outer surface, and ring seal groove embeds watertight rubber ring；Concrete floor is arranged above with polyurethane water-proof mortar.Structural behavior of the present invention is good, safe and reliable.

Description

Basement reconstruction structure with raft foundation building
Technical field
The present invention relates to a kind of Basement reconstruction method, particularly to the Basement reconstruction of a kind of band raft foundation building Structure.
Background technology
Along with the development in city, the problem that parking difficulty becomes puzzlement common people.It is necessary that some are possessed transformation condition Building is transformed, and resets basement.For band raft foundation building, Basement reconstruction structure is due at raft plate base Plinth stake disposed below, pile spacing is the closeest, and pile spacing is generally between 1.8～2.5mm, and these are main vertical How load-carrying member, can ensure that the safety of building can ensure that again the use function of basement, be engineering staff will faced by class Topic.
Summary of the invention
The present invention is to provide the Basement reconstruction structure of a kind of band raft foundation building, during solving Basement reconstruction The problem of safety.
The present invention utilize during the Basement reconstruction of building original stake as basement bearing column, and removably under Room site portion stake, for the situation that original dowel section area is inadequate, carries out original stake reinforcing formation bearing column, and bearing column is with former Have between stake and use special connecting structure to carry out effectively connection.It is logical that original stake and concrete floor contact site easily become infiltration Road, uses watertight rubber ring to carry out waterproof.
Bearing column is the cylinder after original stake is reinforced, bearing column radius ratio original stake half path length 120～300mm, i.e. Reinforcing annular concrete width in bearing column is 120～300mm, and the principal rod reinforcing annular concrete in bearing column uses diameter Being the reinforcing bar of 22～25mm, adjacent bearing column spacing is 3.5～6mm；After reinforcing, the total sectional area of bearing column is total with former all piles Sectional area is identical or difference is less than 10%；Basement bottom board thickness is 400～550mm, and basement bottom board is in bearing column position Arranging shearing resistance muscle, shearing resistance muscle diameter uses 32～35mm, and shearing resistance muscle is shaped as split heads shape.Original outer surface in concrete floor Arranging watertight rubber ring, it is in the middle part of concrete floor that watertight rubber ring arranges position, arranges ring seal along original outer surface Groove, ring seal groove indent 3～5mm, ring seal groove embeds watertight rubber ring；Concrete floor is arranged above with polyurethane water-proof Mortar, polyurethane water-proof mortar thickness is 15～25mm.
When original stake is cast-in-situ bored pile, bearing column is reinforced annular concrete and uses such as with original connecting structure Under: protective layer of cast-in-place pile peel off after the naked stirrup that drops out, cast-in-situ bored pile stirrup with reinforce annular concrete principal rod it Between connection stirrup is set, connect stirrup and make rectangle, connecting the used bar diameter of stirrup is 6～8mm, connects stirrup setting Spacing is identical with cast-in-situ bored pile stirrup spacing, connect stirrup respectively with cast-in-situ bored pile stirrup and reinforce annular concrete Principal rod welds.
Construction procedure includes:
(1) excavation foundation soil is to basement bottom board elevation of bottom position；
(2) casting concrete base plate
Original outer surface digs out ring seal groove, and watertight rubber ring embeds annular water stopping trough；Colligation concrete floor Reinforcing bar, shearing resistance muscle, install template and pour；
(3) temporary steel support being provided below at concrete raft plate, temporary steel support uses I-steel, I-steel setting space It is 2～2.5mm, between adjacent I-steel, cross bar is set and is attached, to ensure the globality that I-steel supports；Topmost cross bar Being 0.6～0.8mm from concrete raft plate distance from bottom, remaining cross bar distance is 1.8～2.2mm；
(4) reinforce original stake, form bearing column；
Using original for part stake as the bearing column of basement, and original stake is reinforced；Original stake is filled for boring During note stake, the naked stirrup that drops out after protective layer of cast-in-place pile is peeled off, install and connect stirrup, connect stirrup and drill-pouring pile ring Muscle welds, the principal rod of colligation bearing column and be connected stirrup welding, and install template, then pour in bearing column and reinforce Annular concrete.
Cut concrete raft plate and basement bottom board pile concrete in addition to bearing column, and cut off a reinforcing bar；
(5) brushing polyurethane water-proof mortar on concrete floor.
Present configuration performance is good, safe and reliable.
Accompanying drawing explanation
Fig. 1 is the raft foundation schematic diagram after excavation foundation soil, and Fig. 2 is Basement reconstruction formwork system schematic diagram, and Fig. 3 is Basement reconstruction structural representation, Fig. 4 is cast-in-situ bored pile ruggedized construction schematic diagram.
In each accompanying drawing: 1, concrete raft plate, 2, Yuan Youzhuan, 3, bearing column, 4, basement bottom board, 5, watertight rubber ring, 6, I-steel, 7, cross bar, 8, polyurethane water-proof mortar, 9, shearing resistance muscle, 10, principal rod, 11, connect stirrup, 12, reinforce annular coagulation Soil, 13, cast-in-situ bored pile.
Detailed description of the invention
In embodiment, bearing column 3 is the cylinder after original stake 2 is reinforced, bearing column 3 radius ratio original stake 2 half path length 120～300mm, i.e. reinforcing annular concrete 12 width in bearing column 3 is 120～300mm, reinforces annular coagulation in bearing column 3 The principal rod 10 of soil 12 uses the reinforcing bar of a diameter of 22～25mm, and adjacent bearing column 3 spacing is 3.5～6mm；Bearing column after reinforcing The total sectional area of 3 is identical with former all piles total sectional area or difference is less than 10%；Basement bottom board 4 thickness be 400～ 550mm, basement bottom board 4 arranges shearing resistance muscle 9 in bearing column 3 position, and shearing resistance muscle 9 diameter uses 32～35mm, shearing resistance muscle 9 shape For split heads shape.In concrete floor, original stake 2 outer surface arranges watertight rubber ring 5, and it is concrete that watertight rubber ring 5 arranges position In the middle part of base plate, arranging ring seal groove, ring seal groove indent 3～5mm along original stake 2 outer surface, ring seal groove only embeds Water rubber ring 5；Concrete floor is arranged above with polyurethane water-proof mortar 8, and polyurethane water-proof mortar 8 thickness is 15～25mm.
Bearing column 3 is reinforced annular concrete 12 and uses as follows with original stake 2 connecting structure: cast-in-situ bored pile 13 protective layer The naked stirrup that drops out after stripping, arranges between cast-in-situ bored pile 13 stirrup with the principal rod 10 reinforcing annular concrete 12 and is connected stirrup 11, connect stirrup 11 and do rectangularity, connecting the used bar diameter of stirrup 11 is 6～8mm, connect stirrup 11 setting space and Cast-in-situ bored pile 13 stirrup spacing is identical, connect stirrup 11 respectively with cast-in-situ bored pile 13 stirrup and reinforce annular concrete 12 Principal rod 10 weld.
Construction procedure includes:
(1) excavation foundation soil is to basement bottom board 4 elevation of bottom position；
(2) casting concrete base plate
Original stake 2 outer surface digs out ring seal groove, and watertight rubber ring 5 embeds annular water stopping trough；Colligation concrete bottom Slab muscle, shearing resistance muscle 9, install template and pour；
(3) temporary steel support being provided below at concrete raft plate 1, temporary steel support uses I-steel 6, and I-steel 6 is arranged Spacing is 2～2.5mm, arranges cross bar 7 and be attached between adjacent I-steel 6, to ensure the globality that I-steel 6 supports；? Upper cross bar 7 is 0.6～0.8mm from concrete raft plate 1 distance from bottom, and remaining cross bar 7 distance is 1.8～2.2mm；
(4) reinforce original stake 2, form bearing column 3；
Using original for part stake 2 as the bearing column 3 of basement, and original stake 2 is reinforced；Cast-in-situ bored pile 13 is protected The naked stirrup that drops out after sheath stripping, installs and connects stirrup 11, connects stirrup 11 and welds with cast-in-situ bored pile 13 stirrup, colligation The principal rod 10 of bearing column 3 also welds with being connected stirrup 11, and install template, then pours and reinforces annular coagulation in bearing column 3 Soil 12.
Cut concrete raft plate 1 and the basement bottom board 4 pile concrete in addition to bearing column 3, and cut off a reinforcing bar；
(5) brushing polyurethane water-proof mortar 8 on concrete floor.

Claims (3)

1. a Basement reconstruction structure for band raft foundation building, is characterized in that utilizing original stake as basement load Post, and removably lower chamber part bit position stake, carry out original stake reinforcing formation bearing column, use specially between bearing column and original stake Effectively connection is carried out with connecting structure；Original stake and concrete floor contact site use watertight rubber ring to carry out waterproof.
Bearing column is the cylinder after original stake is reinforced, bearing column radius ratio original stake half path length 120～300mm, i.e. load Reinforcing annular concrete width in post is 120～300mm, and the principal rod reinforcing annular concrete in bearing column uses a diameter of 22 ～the reinforcing bar of 25mm, adjacent bearing column spacing is 3.5～6mm；The total sectional area of bearing column and former all piles total cross section after reinforcing Long-pending identical or difference is less than 10%；Basement bottom board thickness is 400～550mm, and basement bottom board is arranged in bearing column position Shearing resistance muscle, shearing resistance muscle diameter uses 32～35mm, and shearing resistance muscle is shaped as split heads shape；In concrete floor, original outer surface is arranged Watertight rubber ring, it is in the middle part of concrete floor that watertight rubber ring arranges position, arranges ring seal groove, ring along original outer surface Shape water stopping trough indent 3～5mm, ring seal groove embeds watertight rubber ring；Concrete floor is arranged above with polyurethane water-proof mortar, Polyurethane water-proof mortar thickness is 15～25mm.
The Basement reconstruction structure of band raft foundation building the most according to claim 1, is characterized in that special connection structure Make employing as follows: when original stake is cast-in-situ bored pile, bearing column is reinforced annular concrete and uses with original connecting structure As follows: the naked stirrup that drops out after protective layer of cast-in-place pile stripping, cast-in-situ bored pile stirrup and the principal rod reinforcing annular concrete Between connection stirrup is set, connect stirrup and make rectangle, connecting the used bar diameter of stirrup is 6～8mm, and connection stirrup sets Put spacing identical with cast-in-situ bored pile stirrup spacing, connect stirrup respectively with cast-in-situ bored pile stirrup and reinforce annular concrete Principal rod weld.
The Basement reconstruction structure of band raft foundation building the most according to claim 1, is characterized in that construction procedure is adopted With as follows:
Construction procedure includes:
(1) excavation foundation soil is to basement bottom board elevation of bottom position；
(2) casting concrete base plate
Original outer surface digs out ring seal groove, and watertight rubber ring embeds annular water stopping trough；Colligation concrete floor reinforcing bar, Shearing resistance muscle, installs template and pours；
(3) temporary steel support being provided below at concrete raft plate, temporary steel support uses I-steel, and I-steel setting space is 2 ～2.5mm, between adjacent I-steel, cross bar is set and is attached, to ensure the globality that I-steel supports；Topmost cross bar from Concrete raft plate distance from bottom is 0.6～0.8mm, and remaining cross bar distance is 1.8～2.2mm；
(4) reinforce original stake, form bearing column；
The naked stirrup that drops out after being peeled off by protective layer of cast-in-place pile, installs and connects stirrup, connects stirrup and cast-in-situ bored pile stirrup Weld, the principal rod of colligation bearing column and be connected stirrup welding, and install template, then pour reinforcing ring in bearing column Shape concrete；Cut concrete raft plate and basement bottom board pile concrete in addition to bearing column, and cut off a reinforcing bar；
(5) brushing polyurethane water-proof mortar on concrete floor.
CN201610638211.7A 2016-07-26 2016-07-26 Basement reconstruction construction with raft foundation building Active CN106285032B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201610638211.7A CN106285032B (en) 2016-07-26 2016-07-26 Basement reconstruction construction with raft foundation building
CN201810152606.5A CN108301635A (en) 2016-07-26 2016-07-26 The Basement reconstruction structure of bored pile foundation
CN201810152600.8A CN108360553A (en) 2016-07-26 2016-07-26 The construction method of Basement reconstruction construction with raft foundation building

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CN201810152606.5A Division CN108301635A (en) 2016-07-26 2016-07-26 The Basement reconstruction structure of bored pile foundation

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CN201810152606.5A Pending CN108301635A (en) 2016-07-26 2016-07-26 The Basement reconstruction structure of bored pile foundation

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106193644A (en) * 2016-07-26 2016-12-07 朱奎 Basement reconstruction structure with raft foundation building
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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114704108B (en) * 2022-04-29 2024-03-01 江苏鸿基节能新技术股份有限公司 Jacking device for building storey-adding
CN115404871B (en) * 2022-10-11 2023-07-25 中建八局第一建设有限公司 Construction method for connecting existing underground structure of deep foundation pit

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CN1693591A (en) * 2005-06-09 2005-11-09 上海市城市建设设计研究院 Construction method of reconstrating existant underground space into subway station
JP4722783B2 (en) * 2006-07-03 2011-07-13 株式会社竹中工務店 Foundation reinforcement method for existing buildings
CN106193644A (en) * 2016-07-26 2016-12-07 朱奎 Basement reconstruction structure with raft foundation building

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CN1078294C (en) * 1998-12-11 2002-01-23 北京市第七城市建设工程公司 Integral foundation underpinning technology for building added floor
JP2002115260A (en) * 2000-10-11 2002-04-19 Shimizu Corp Extension method for basement
CN102127974B (en) * 2011-04-18 2012-08-29 上海现代建筑设计(集团)有限公司 Design and construction method of additional cellar under existing building
CN102444142B (en) * 2011-09-20 2014-01-15 新世纪建设集团有限公司 Pile group column replacement expanded basement and construction method of same
CN203222817U (en) * 2013-05-11 2013-10-02 王镛 Connecting structure of basement stand column
CN104878835B (en) * 2015-05-19 2017-06-20 叶长青 Strip footing increases basement structure behind house

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1693591A (en) * 2005-06-09 2005-11-09 上海市城市建设设计研究院 Construction method of reconstrating existant underground space into subway station
JP4722783B2 (en) * 2006-07-03 2011-07-13 株式会社竹中工務店 Foundation reinforcement method for existing buildings
CN106193644A (en) * 2016-07-26 2016-12-07 朱奎 Basement reconstruction structure with raft foundation building

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106193644A (en) * 2016-07-26 2016-12-07 朱奎 Basement reconstruction structure with raft foundation building
CN106193644B (en) * 2016-07-26 2018-12-14 朱奎 Basement reconstruction structure with raft foundation building
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

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Publication number Publication date
CN106285032B (en) 2018-12-14
CN108360553A (en) 2018-08-03
CN108301635A (en) 2018-07-20

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Effective date of registration: 20201123

Address after: No. 100, North Ring Road, Hede Town, Sheyang County, Yancheng City, Jiangsu Province

Patentee after: Gu Yaobin

Address before: Ouhai District of Zhejiang city in Wenzhou province 325000 Rong Road No. 39

Patentee before: Zhu Kui

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Effective date of registration: 20230105

Address after: 276100 1 Kaiyuan Road, economic development zone, Tancheng County, Linyi City, Shandong Province

Patentee after: Linyi Jiechuang Chemical Industrial Park Co.,Ltd.

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Patentee before: Gu Yaobin

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