CN105780938A - Vertical construction seam construction method of core tube bottom board for super high-rise - Google Patents

Vertical construction seam construction method of core tube bottom board for super high-rise Download PDF

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Publication number
CN105780938A
CN105780938A CN201610142313.XA CN201610142313A CN105780938A CN 105780938 A CN105780938 A CN 105780938A CN 201610142313 A CN201610142313 A CN 201610142313A CN 105780938 A CN105780938 A CN 105780938A
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China
Prior art keywords
steel
construction
base plate
super
construction joint
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CN201610142313.XA
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CN105780938B (en
Inventor
郑天豪
张全义
谈伟
宋旭峰
陈凡
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Second Construction Engineering Co Ltd of China Construction Third Engineering Division
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Second Construction Engineering Co Ltd of China Construction Third Engineering Division
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66Sealings
    • E04B1/68Sealings of joints, e.g. expansion joints
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66Sealings
    • E04B1/68Sealings of joints, e.g. expansion joints
    • E04B1/6801Fillings therefor

Abstract

The invention discloses a vertical construction seam construction method of a core tube bottom board for a super high-rise and relates to the field of building construction. The construction method includes the strengthening steel bar construction step, the punching-resistant H-shaped steel construction step, the lateral steel bar mesh construction step, the punching-resistant steel bar construction step, the rubber water stop construction step and the grouting construction step. The construction method is reasonable in design; the core tube bottom board of a tower is provided with vertical construction seams, and the core tube bottom board of the super high-rise is subjected to vertical sectional construction, so that the construction progress can be accelerated, the exposure time of a deep foundation pit is shortened, and risks are reduced; besides, the construction rate can be improved, and the labor input can be reduced; by using punching-resistant type steel as the primary punching bearing component and using punching-resistant steel bars, strengthening steel bars and a grouting system as auxiliaries, the high construction efficiency of the core tube bottom board for the super high-rise is guaranteed, and a powerful safety guarantee is provided for constructors.

Description

A kind of Super High Core Walls Structure base plate vertical construction joint construction method
Technical field
The present invention relates to technical field of building construction, particularly relate to a kind of Super High Core Walls Structure base plate vertical construction joint construction method.
Background technology
In recent years, the height of building hits new peak repeatly, the project scale of construction increases increasingly, and the project construction duration is tight.For high-rise building, high building is often on critical construction circuit, and its duration is long, it is necessary to ensures the safety of the progress of construction, construction, to prevent the uneven sedimentation of base plate, it is to avoid construction joint is done great damage simultaneously.
For ensureing underplate concrete Forming Quality, reducing base plate infiltration risk during usual high-rise building construction of bottom plates, all taking integral construction, but this kind of construction method takies long in time limit, foundation ditch open-assembly time is long, it is easy to increase foundation ditch risk.And for, in the case of following, there is also much different risks and potential safety hazard.
Such as: (1) lithic drainage enriches location, basement bottom board construction joint is as the weak spot of large-area backplane, and the impervious design of structure is the difficult problem needing emphasis to consider;
(2) for the high building that basement bottom board thickness is bigger, common vertical formwork is insufficient for construction requirement;
(3) the incidental differential settlement of base plate near construction joint, it is easy to construction joint is done great damage.
Thus, in Super High Core Walls Structure construction of bottom plates process, impervious, the punch resistant capability of construction joint and the method for side closure need to be taken into full account.
Summary of the invention
In order to overcome the defect of above-mentioned prior art, it is an object of the invention to provide a kind of Super High Core Walls Structure base plate vertical construction joint construction method.
The present invention takes techniques below scheme to realize: a kind of Super High Core Walls Structure base plate vertical construction joint construction method, specifically comprises the following steps that
Step one: stiffener is constructed, and is respectively arranged with horizontal and vertical stiffener in the bottom of Super High Core Walls Structure base plate and top, and cross reinforcing anchors, and chooses certain length, arranges along construction joint direction;Waling, along the elongated layout in construction joint direction, is transversely arranged within the scope of reinforcement, and reinforcement is welded and fixed with base plate gluten and end muscle;
Step 2: Punching Shear I-steel is constructed, it is embedded with Punching Shear I-steel in the middle part of first order inclined-plane and inclined-plane, the second level, arranging along construction joint direction within the scope of high building base plate, construction joint certain length chosen by upper and lower Punching Shear I-steel, and anchors in first pouring concrete;
Step 3: side reinforced mesh is constructed, and sets up the Type B I-steel fulcrum as steel pipe end wall bracket along between construction joint alignment stake;Construction joint side adopts reinforced mesh closure, and fast-easy closing-up net is laid in inner side;The vertical muscle in described reinforced mesh top extends to muscle at the bottom of base plate, and the vertical muscle in bottom extends to base plate gluten, anchors;Steel plate for sealing water is placed in reinforced mesh middle part;Described steel pipe end wall bracket, is be formed by connecting by road, top three steel pipe, bottom twice steel pipe and horizontal steel tube, and power transmission is to the steel pipe support I-steel supported between stake;Steel pipe end wall bracket and reinforced mesh are welded and fixed;
Step 4: punching shear reinforcement is constructed, and after the reinforced mesh installation of side, welds the horizontal bar along construction joint direction between base plate stirrup, horizontal bar is fixed on punching shear reinforcement anchoring end;
Step 5: rubber water-proof bar is constructed, rubber water-proof strip adoption water-swelling rubber water bar;Remove after steel pipe end wall bracket, in the middle part of first order inclined-plane and inclined-plane, the second level, bury rubber water-proof bar underground, carry out compacting, and remove surface, make that seam face is anhydrous, clean, no-sundries;
Step 6: mortar depositing construction, first buries Grouting Pipe underground, fixes a vertical Grouting Pipe along construction joint horizontal direction reinforcing bar, fastens;Described Grouting Pipe is full shield, and the length that Grouting Pipe is drawn outside concrete is not less than 150mm, then carries out slip casting.
Further, in described step one, reinforcement and base plate adopt the double bidirectional arrangements of reinforcing bar.
Further, in described step 2, described Punching Shear shaped steel adopts Type B to shore channel-section steel, and Punching Shear shaped steel two ends are welded with inside and outside channel-section steel of shoring, and weld by jacking angle steel on channel-section steel shoring, for jacking Punching Shear I-steel;Twice are shored the root of channel-section steel and are equipped with billet, and are fixed on bottom cushion.Consider that Punching Shear shaped steel 1 supporting frame height is higher, deficient in stability, for ensureing construction safety, draws to lead to by Large-size rebar by the type steel support support body of Punching Shear shaped steel 1 support body and high building large-area backplane and is welded into entirety.Meanwhile, large-area backplane all adopts channel-section steel as supporting frame, underlay billet, top C28 reinforcing bar drawknot, middle part C25 reinforcing bar drawknot.
Further, in described step 2, Punching Shear I-steel adopts 56C type I-steel, and I-steel sets ribs, and I-steel respectively sets two row's pegs up and down.
Further, in described step 5, rubber water-proof bar is provided in mounting groove, is embedded by rubber water-proof bar in mounting groove, with cement nail compacting stickfast rubber water-proof bar.
The method have the advantages that in sum
The present invention is reasonable in design, vertical construction joints is set at high building Core Walls Structure base plate, Super High Core Walls Structure base plate vertical fragmentation is constructed, is possible not only to accelerating construction progress, reduce deep basal pit open-assembly time, reduce risks, and can improve construction speed, reduce labour force's input, and Punching Shear shaped steel cuts stress as main resisting, and is aided with punching shear reinforcement, stiffener and filling system, ensure the high efficiency of Super High Core Walls Structure construction of bottom plates, provide strong safety guarantee for workmen.
Accompanying drawing explanation
Fig. 1 is that stiffener of the present invention arranges schematic diagram;
Fig. 2 is that schematic side view arranged by I-steel of the present invention;
Fig. 3 is side of the present invention closure schematic diagram;
Fig. 4 is that filling system of the present invention arranges schematic diagram;
Wherein: 1, Punching Shear I-steel;2, jacking angle steel;3, channel-section steel is shored;4, rubber water-proof bar;5, steel plate for sealing water;6, billet;7, reinforced mesh;8, fast-easy closing-up net;9, steel pipe end wall bracket;10, steel pipe support I-steel;11, stiffener;12, punching shear reinforcement;13, Grouting Pipe;14, construction joint;15, base plate gluten;16, muscle at the bottom of base plate;71, the vertical muscle in top;72, the vertical muscle in bottom.
Detailed description of the invention
A kind of Super High Core Walls Structure base plate vertical construction joint construction method present invention proposed below in conjunction with the drawings and specific embodiments is described in further detail.According to the following describes and claims, advantages and features of the invention will be apparent from.It should be noted that, accompanying drawing all adopts the form simplified very much and all uses non-ratio accurately, only in order to convenience, the purpose aiding in illustrating the embodiment of the present invention lucidly.For sake of convenience, described below " on ", the upper and lower direction of D score and accompanying drawing consistent, but this can not become the restriction of technical solution of the present invention.
A kind of Super High Core Walls Structure base plate vertical construction joint construction method of the present invention is described below in conjunction with Fig. 1 to Fig. 4, and the present embodiment, for the construction method of Super High Core Walls Structure base plate vertical construction joint in certain engineering, specifically comprises the following steps that
Step one: stiffener is constructed, and is respectively arranged with horizontal and vertical stiffener 11 in the bottom of Super High Core Walls Structure base plate and top, and cross reinforcing 11 anchors, and chooses certain length, arranges along construction joint 14 direction;Waling 11, along the elongated layout in construction joint direction 14, is transversely arranged in reinforcement 11 scope, and reinforcement 11 is welded and fixed with base plate gluten and end muscle;
Step 2: Punching Shear I-steel 1 is constructed, it is embedded with Punching Shear I-steel 1 in the middle part of first order inclined-plane and inclined-plane, the second level, arranging along construction joint 14 direction within the scope of high building base plate, construction joint 14 certain length chosen by upper and lower Punching Shear I-steel 1, and anchors in first pouring concrete;
Step 3: side reinforced mesh is constructed, and sets up the Type B I-steel fulcrum as steel pipe end wall bracket 9 along between construction joint 14 alignment stake;Construction joint 14 side adopts reinforced mesh 7 to block, and fast-easy closing-up net 8 is laid in inner side;The vertical muscle 71 in described reinforced mesh 7 top extends to muscle 16 at the bottom of base plate, and the vertical muscle 72 in bottom extends to base plate gluten 15, anchors;Steel plate for sealing water 5 is placed in reinforced mesh 7 middle part;Described steel pipe end wall bracket 9, is be formed by connecting by road, top three steel pipe, bottom twice steel pipe and horizontal steel tube, and power transmission is to the steel pipe support I-steel 10 supported between stake;Steel pipe end wall bracket 9 and reinforced mesh 7 are welded and fixed;
Step 4: punching shear reinforcement is constructed, and after reinforced mesh 7 installation of side, welds the horizontal bar along construction joint 14 direction between base plate stirrup, and horizontal bar is fixed on punching shear reinforcement 12 and anchors end;
Step 5: rubber water-proof bar is constructed, and rubber water-proof bar 4 adopts water-swelling rubber water bar;Remove after steel pipe end wall bracket 9, in the middle part of first order inclined-plane and inclined-plane, the second level, bury rubber water-proof bar 4 underground, carry out compacting, and remove surface, make that seam face is anhydrous, clean, no-sundries;
Step 6: mortar depositing construction, first buries Grouting Pipe underground, fixes a vertical Grouting Pipe 13 along construction joint 14 horizontal direction reinforcing bar, fastens;Described Grouting Pipe 13 is full shield, and the length that Grouting Pipe 13 is drawn outside concrete is not less than 150mm, then carries out slip casting.
Further, in described step one, reinforcement 11 and base plate adopt the double bidirectional arrangements of reinforcing bar.
Further, in described step 2, described Punching Shear shaped steel 1 adopts Type B to shore channel-section steel 3, and Punching Shear shaped steel 1 two ends are welded with inside and outside channel-section steel 3 of shoring, and weld by jacking angle steel 2 on channel-section steel 3 shoring, for jacking Punching Shear I-steel 1;Twice are shored the root of channel-section steel 3 and are equipped with billet 6, and are fixed on bottom cushion.Consider that Punching Shear shaped steel 1 supporting frame height is higher, deficient in stability, for ensureing construction safety, draws to lead to by Large-size rebar by the type steel support support body of Punching Shear shaped steel 1 support body and high building large-area backplane and is welded into entirety.Meanwhile, large-area backplane all adopts channel-section steel as supporting frame, underlay billet, top C28 reinforcing bar drawknot, middle part C25 reinforcing bar drawknot.
Further, in described step 2, Punching Shear I-steel 1 adopts 56C type I-steel, and I-steel sets ribs, and I-steel respectively sets two row's pegs up and down.
Further, in described step 5, rubber water-proof bar 4 is provided in mounting groove, embeds in mounting groove by rubber water-proof bar 4, with cement nail compacting stickfast rubber water-proof bar.
Although the specific embodiment of the present invention being given and detailed description and explanation above; but it should be noted that; above-mentioned embodiment can be carried out various equivalence according to the conception of the present invention and change and amendment by us; function produced by it still without departing from description contain spiritual time, all should within protection scope of the present invention.

Claims (5)

1. a Super High Core Walls Structure base plate vertical construction joint construction method, it is characterised in that: specifically comprise the following steps that
Step one: stiffener is constructed, and is respectively arranged with horizontal and vertical stiffener in the bottom of Super High Core Walls Structure base plate and top, and cross reinforcing anchors, and chooses certain length, arranges along construction joint direction;Waling, along the elongated layout in construction joint direction, is transversely arranged within the scope of reinforcement, and reinforcement is welded and fixed with base plate gluten and end muscle;
Step 2: Punching Shear I-steel is constructed, it is embedded with Punching Shear I-steel in the middle part of first order inclined-plane and inclined-plane, the second level, arranging along construction joint direction within the scope of high building base plate, construction joint certain length chosen by upper and lower Punching Shear I-steel, and anchors in first pouring concrete;
Step 3: side reinforced mesh is constructed, and sets up the Type B I-steel fulcrum as steel pipe end wall bracket along between construction joint alignment stake;Construction joint side adopts reinforced mesh closure, and fast-easy closing-up net is laid in inner side;The vertical muscle in described reinforced mesh top extends to muscle at the bottom of base plate, and the vertical muscle in bottom extends to base plate gluten, anchors;Steel plate for sealing water is placed in reinforced mesh middle part;Described steel pipe end wall bracket, is be formed by connecting by road, top three steel pipe, bottom twice steel pipe and horizontal steel tube, and power transmission is to the steel pipe support I-steel supported between stake;Steel pipe end wall bracket and reinforced mesh are welded and fixed;
Step 4: punching shear reinforcement is constructed, and after the reinforced mesh installation of side, welds the horizontal bar along construction joint direction between base plate stirrup, horizontal bar is fixed on punching shear reinforcement anchoring end;
Step 5: rubber water-proof bar is constructed, rubber water-proof strip adoption water-swelling rubber water bar;Remove after steel pipe end wall bracket, in the middle part of first order inclined-plane and inclined-plane, the second level, bury rubber water-proof bar underground, carry out compacting, and remove surface, make that seam face is anhydrous, clean, no-sundries;
Step 6: mortar depositing construction, first buries Grouting Pipe underground, fixes a vertical Grouting Pipe along construction joint horizontal direction reinforcing bar, fastens;Described Grouting Pipe is full shield, and the length that Grouting Pipe is drawn outside concrete is not less than 150mm, then carries out slip casting.
2. a kind of Super High Core Walls Structure base plate vertical construction joint construction method according to claim 1, it is characterised in that: in described step one, reinforcement and base plate adopt the double bidirectional arrangements of reinforcing bar.
3. a kind of Super High Core Walls Structure base plate vertical construction joint construction method according to claim 1, it is characterized in that: in described step 2, described Punching Shear shaped steel adopts Type B to shore channel-section steel, Punching Shear shaped steel two ends are welded with inside and outside channel-section steel of shoring, and channel-section steel welds by jacking angle steel shoring, for jacking Punching Shear I-steel;Twice are shored the root of channel-section steel and are equipped with billet, and are fixed on bottom cushion.
4. a kind of Super High Core Walls Structure base plate vertical construction joint construction method according to claim 1, it is characterised in that: in described step 2, Punching Shear I-steel adopts 56C type I-steel, and I-steel sets ribs, and I-steel respectively sets two row's pegs up and down.
5. a kind of Super High Core Walls Structure base plate vertical construction joint construction method according to claim 1, it is characterized in that: in described step 5, rubber water-proof bar is provided in mounting groove, is embedded by rubber water-proof bar in mounting groove, with cement nail compacting stickfast rubber water-proof bar.
CN201610142313.XA 2016-03-14 2016-03-14 A kind of Super High core tube end plate vertical construction joint construction method Active CN105780938B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107090918A (en) * 2017-06-16 2017-08-25 中国二十二冶集团有限公司 Joints of concrete projects connects a batch construction method
WO2020078160A1 (en) * 2018-10-16 2020-04-23 中冶南方工程技术有限公司 Construction joint structure in deep-excavation reverse construction

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7124545B1 (en) * 2002-06-07 2006-10-24 Frank Poma Tilt-up panel and method
CN201581510U (en) * 2009-12-05 2010-09-15 山东天齐置业集团股份有限公司 Advanced water-stop post-pouring belt of foundation slab
CN202706536U (en) * 2012-06-29 2013-01-30 中国建筑第五工程局有限公司 Lateral support formwork applied to post-cast strip or construction joint
CN103628574A (en) * 2013-09-24 2014-03-12 深圳市清华苑建筑设计有限公司 Quakeproof bed joint water-proof structure for outside hall of high-rise building and construction method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7124545B1 (en) * 2002-06-07 2006-10-24 Frank Poma Tilt-up panel and method
CN201581510U (en) * 2009-12-05 2010-09-15 山东天齐置业集团股份有限公司 Advanced water-stop post-pouring belt of foundation slab
CN202706536U (en) * 2012-06-29 2013-01-30 中国建筑第五工程局有限公司 Lateral support formwork applied to post-cast strip or construction joint
CN103628574A (en) * 2013-09-24 2014-03-12 深圳市清华苑建筑设计有限公司 Quakeproof bed joint water-proof structure for outside hall of high-rise building and construction method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107090918A (en) * 2017-06-16 2017-08-25 中国二十二冶集团有限公司 Joints of concrete projects connects a batch construction method
WO2020078160A1 (en) * 2018-10-16 2020-04-23 中冶南方工程技术有限公司 Construction joint structure in deep-excavation reverse construction

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