CN105370031A - Fair-faced concrete construction method adopting hydraulic creeping formwork systems - Google Patents

Fair-faced concrete construction method adopting hydraulic creeping formwork systems Download PDF

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Publication number
CN105370031A
CN105370031A CN201510674942.2A CN201510674942A CN105370031A CN 105370031 A CN105370031 A CN 105370031A CN 201510674942 A CN201510674942 A CN 201510674942A CN 105370031 A CN105370031 A CN 105370031A
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China
Prior art keywords
concrete
construction
climbing
formwork
hydraulic
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CN201510674942.2A
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Chinese (zh)
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CN105370031B (en
Inventor
李建华
王长寿
薛苏庭
郑李君
刘丹
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Zhongyifeng Construction Group Co Ltd
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Zhongyifeng Construction Group Co Ltd
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Publication of CN105370031A publication Critical patent/CN105370031A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/06Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
    • E04G11/20Movable forms; Movable forms for moulding cylindrical, conical or hyperbolical structures; Templates serving as forms for positioning blocks or the like
    • E04G11/28Climbing forms, i.e. forms which are not in contact with the poured concrete during lifting from layer to layer and which are anchored in the hardened concrete

Abstract

The invention discloses a fair-faced concrete construction method adopting hydraulic creeping formwork systems. The method comprises the steps of designing the appearance of fair-faced concrete; designing the formwork systems; proportioning the concrete; carrying out sample wall construction; installing the first-layer creeping formwork system; binding wall plate steel bars; closing and reinforcing the formwork systems; carrying out concrete pouring; carrying out formwork release maintenance and concrete maintenance; raising the creeping formwork systems and carrying out next-layer construction; disassembling the hydraulic creeping formwork systems and completing the whole construction. The method is widely suitable for various high-rise and ultrahigh-rise core tube structures and bundled tube structures and can greatly increase the construction speed of concrete tube structures.

Description

Hydraulic climbing formwork system exposed concrete construction method
Technical field
The present invention relates to the construction method of building in a kind of civil engineering, be specifically related to a kind of exposed concrete construction method, be especially applied to the hydraulic climbing formwork system exposed concrete construction method of super highrise building.
Background technology
Concrete is as a kind of artificial stone, and owing to drawing materials easily, construction technology is easy, economical and practical, therefore is widely used in the variant field of civil engineering.Along with the development of the architectural aesthetics, people also been proposed requirements at the higher level to this artificial stone of concrete: concrete not only will reach the requirement of strength required for structure, its surface also needs the perception possessing natural stone, namely require that the concrete surface after cast maintenance is not done anyly to think that process or decoration just can be smooth bright and clean and present the quality of natural stone, this concrete is referred to as clear-water concrete.
Clear-water concrete technology is applied in bridge, hydraulic engineering more in China all the time, know and just start the nineties progressively to appear in mansion, apartment, further reinforcement along with theories such as energy-conserving and environment-protective in nearly 10 years, clear-water concrete facing use by increasing designer, natural, simple, the architectural style of recovering one's original simplicity that clear-water concrete is advocated, accept by increasing modern.
Due to the needs of present urban development, increasing super highrise building is shown one's talent, and on super highrise building, carries out dry concrete construction be one and have a difficult problem to be solved.
Summary of the invention
Goal of the invention of the present invention is to provide a kind of hydraulic climbing formwork system exposed concrete construction method, hydraulic climbing formwork system is utilized to construct, form surfacing system is fixed on climbing form system, installation and removal utilize automatic demolding, mold closing mechanism, the measures such as reinforcing, safe and reliable, the effect of clear-water concrete facing can better be realized.
To achieve the above object of the invention, the technical solution used in the present invention is: a kind of hydraulic climbing formwork system exposed concrete construction method, comprises the steps:
(1) clear-water concrete appearance design is carried out;
(2) design of template system is carried out, the design of described template system comprises the design of climbing form system, the design of form surfacing system, the design of screw rod, local cannot use wallboard needs of climbing form system to carry out loose spelling, the design of form bracing system, and the reinforcement of detail structure and improvement and design;
(3) proportioning is carried out to concrete;
(4) carry out the construction of model wall, check concrete proportioning and designed formwork bracing system whether to meet the requirement of site operation;
(5) in step (4) after the assay was approved, carry out the installation of first floor climbing form system;
(6) colligation reinforcing steel bars of wallboards;
(7) matched moulds and the reinforcing of template system is carried out;
(8) concreting is carried out;
(9) move back mould safeguard and maintain concrete;
(10) climb climbing form system, carries out lower one deck construction, repeats step (6) ~ (9);
(11) remove hydraulic climbing formwork system, complete whole construction.
In technique scheme, described step (1) comprises the design of outseam, cicada seam, screw hole spacing and concrete She Ze inside each, and it is 900 ~ 1100mm that described cicada stitches vertical spacing, and horizontal-direction pitch is 1500 ~ 2000mm; The vertical spacing of described screw rod is 900 ~ 1000mm, and horizontal-direction pitch is 700 ~ 750mm.
In technique scheme, in described step (2), climbing form system is made up of embedded part system, support body, guide rail, hydraulic system, template system.
In technique scheme, described embedded part system is by disposable embedded part, stressed bolt, packing ring and climb cone and form.
In technique scheme, in described step (6), each reinforcing bar crosspoint all should colligation, and metal binding wire must not be less than two circles, pricks to scratch and tail end should towards the inner side of member section.
Because technique scheme is used, the present invention compared with prior art has following advantages:
The present invention utilizes hydraulic climbing formwork system to construct, form surfacing system is fixed on climbing form system, installation and removal utilize automatic demolding, mold closing mechanism, the measures such as reinforcing, safe and reliable, the effect of clear-water concrete facing can better be realized, and fast convenient, greatly improve the speed of application of concrete tube structure.
Accompanying drawing explanation
Fig. 1 is construction method flow chart of the present invention in embodiment one.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment one: shown in Figure 1, a kind of hydraulic climbing formwork system exposed concrete construction method, comprises the steps:
(1) clear-water concrete appearance design is carried out;
(2) design of template system is carried out, the design of described template system comprises the design of climbing form system, the design of form surfacing system, the design of screw rod, local cannot use wallboard needs of climbing form system to carry out loose spelling, the design of form bracing system, and the reinforcement of detail structure and improvement and design;
(3) proportioning is carried out to concrete;
(4) carry out the construction of model wall, check concrete proportioning and designed formwork bracing system whether to meet the requirement of site operation, the construction of model wall is via completing once or several times, until the measures taked can meet the requirement of engineering entity construction;
(5) in step (4) after the assay was approved, carry out the installation of first floor climbing form system;
(6) colligation reinforcing steel bars of wallboards;
(7) matched moulds and the reinforcing of template system is carried out;
(8) concreting is carried out;
(9) move back mould safeguard and maintain concrete;
(10) climb climbing form system, carries out lower one deck construction, repeats step (6) ~ (9);
(11) remove hydraulic climbing formwork system, complete whole construction.
Described step (1) comprises the design of outseam, cicada seam, screw hole spacing and concrete She Ze inside each, the outseam of alien invasion generally makes recessed joint, it is the constuction joint between deck simultaneously, stay according to the floor height of building so general and establish, if run into floor height higher, the form of structure of cross-layer, can increase by one exposed joint strip in centre, what make exposed joint strip stays the rule of establishing formation certain; It is 900 ~ 1100mm that described cicada stitches vertical spacing, and horizontal-direction pitch is 1500 ~ 2000mm; The vertical spacing of described screw rod is 900 ~ 1000mm, and horizontal-direction pitch is 700 ~ 750mm.
In described step (2), climbing form system is made up of embedded part system, support body, guide rail, hydraulic system, template system, according to the condition such as structure types, construction factor, that determines climbing form system arranges scope: elevator shaft medial and lateral can utilize climbing form system to construct simultaneously; Delayed 4 ~ 5 layers of construction of staircase tread structure, namely staircase also can utilize as a cylindrical shell and inside and outsidely arrange climbing form system simultaneously; There is the inner wall panel of floor part, utilize loose template system of spelling to construct.
According to plane structure size, select suitable position that creeping formwork unit and seat in the plane are set.
As in certain project, each the inside of alien invasion arranges the 6 one-sided seats in the plane of Pin, forms 2 independently lift units; In each elevator shaft in inner side, the 2 one-sided seats in the plane of Pin are set, form 1 independently lift unit; Inner side stair pit shaft arranges 2 Pin bilateral seats in the plane, forms 1 and independently promotes unit.
Described embedded part system is connected with guide rail by hanging seat, supports the load of whole support body and makes it to be delivered in structure, and described embedded part system is by disposable embedded part, stressed bolt, packing ring and climb cone and form.
The pre-buried position of described embedded part system: exterior wall is the downward 1600mm in template top, interior wall is the downward 850mm in template top.
Described support body is divided into upper and lower support body according to function difference, and lower frame is fixed as bogey and guide rail and embedded part, comprises tripod, hangs platform and embedded part load carrier, be highly about 6.5m, generally have 2 layers of platform; Upper frame comprises rear moving device, template system and operating platform, and the top rail that rear moving device is fixed on tripod realizes matched moulds by moving horizontally and moves back mould.
Described guide rail is fixed on embedded part load carrier, promotes the track and lifting fulcrum that are, bear load when creeping formwork promotes as creeping formwork.
Described hydraulic system comprises pumping plant, hydraulic jack, anti-fall climbing device and hydraulic circuit, is the power resources of support body when promoting, by the alternately jacking of hydraulic jack to guide rail and template support body, thus realizes the elevating movement of template support body.
Described template system comprises panel, wooden H-beam, channel-section steel back cord are connected pawl with wooden frame, arranges two suspension hooks, adopt core ribbon to connect, and be plugged with latch between two pieces of templates in the bilateral symmetry of perpendicular rib, ensures globality and the quality of connection of template.
In described step (5), owing to hanging with certain height under climbing form system, installation frame body is generally from more than 2 layers, so the construction of first floor wallboard cannot directly utilize climbing form system to carry out, but the large template system in its climbing form system can be utilized to construct.
In described step (6), vertical reinforcement inserting before reinforcing steel bars of wallboards first, namely to be bored and screw position carries out collision and turns over sample with climbing, is directly dodged with spacing; Horizontal reinforcement, climbing cone and screw position on vertical reinforcement with red paint mark, is directly dodged, is avoided because the collision such as reinforcing bar and screw rod causes burning to cut the situation appearance of reinforcing bar in process of binding, makes split bolt and climbs cone and all can pass through template smoothly.
In described step (7), for one-sided climbing formwork for construction, first should ensure closing of exterior wall creeping formwork, then carry out loose matched moulds and the reinforcing of spelling template in inner side.
In described step (10), after template promotes and puts in place, direct off-load on embedded part hanging seat, then carrys out lift rail by hydraulic system, and treat that guide rail promotes and put in place, off-load, on embedded part hanging seat, can realize alternately promoting of template support body and guide rail like this.

Claims (5)

1. a hydraulic climbing formwork system exposed concrete construction method, is characterized in that, comprises the steps:
(1) clear-water concrete appearance design is carried out;
(2) design of template system is carried out, the design of described template system comprises the design of climbing form system, the design of form surfacing system, the design of screw rod, local cannot use wallboard needs of climbing form system to carry out loose spelling, the design of form bracing system, and the reinforcement of detail structure and improvement and design;
(3) proportioning is carried out to concrete;
(4) carry out the construction of model wall, check concrete proportioning and designed formwork bracing system whether to meet the requirement of site operation;
(5) in step (4) after the assay was approved, carry out the installation of first floor climbing form system;
(6) colligation reinforcing steel bars of wallboards;
(7) matched moulds and the reinforcing of template system is carried out;
(8) concreting is carried out;
(9) move back mould safeguard and maintain concrete;
(10) climb climbing form system, carries out lower one deck construction, repeats step (6) ~ (9);
(11) remove hydraulic climbing formwork system, complete whole construction.
2. a kind of hydraulic climbing formwork system exposed concrete construction method according to claim 1, it is characterized in that: described step (1) comprises the design of the outseam of each facade, cicada seam, screw hole spacing and concrete color and luster, it is 900 ~ 1100mm that described cicada stitches vertical spacing, and horizontal-direction pitch is 1500 ~ 2000mm; The vertical spacing of described screw rod is 900 ~ 1000mm, and horizontal-direction pitch is 700 ~ 750mm.
3. a kind of hydraulic climbing formwork system exposed concrete construction method according to claim 1, is characterized in that: in described step (2), climbing form system is made up of embedded part system, support body, guide rail, hydraulic system, template system.
4. a kind of hydraulic climbing formwork system exposed concrete construction method according to claim 3, is characterized in that: described embedded part system is by disposable embedded part, stressed bolt, packing ring and climb cone and form.
5. a kind of hydraulic climbing formwork system exposed concrete construction method according to claim 1, it is characterized in that: in described step (6), each reinforcing bar crosspoint all should colligation, and metal binding wire must not be less than two circles, pricks to scratch and tail end should towards the inner side of member section.
CN201510674942.2A 2015-10-19 2015-10-19 Hydraulic climbing formwork system exposed concrete construction method Active CN105370031B (en)

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CN105370031B CN105370031B (en) 2018-01-12

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090084163A (en) * 2008-01-31 2009-08-05 이병영 Gang form climbing guide and system using the same
CN102587645A (en) * 2012-03-29 2012-07-18 中建三局建设工程股份有限公司 Climbing supporting mechanism having expansion and automatic meshing functions, and construction method thereof
CN102704674A (en) * 2012-05-03 2012-10-03 中国葛洲坝集团股份有限公司 Hydraulic self-elevating template for vertical shaft and construction method thereof
CN103422668A (en) * 2013-08-09 2013-12-04 中建四局第六建筑工程有限公司 Construction method of super-thick large-slope shear wall and hydraulic self-jacking inclined creeping framework thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090084163A (en) * 2008-01-31 2009-08-05 이병영 Gang form climbing guide and system using the same
CN102587645A (en) * 2012-03-29 2012-07-18 中建三局建设工程股份有限公司 Climbing supporting mechanism having expansion and automatic meshing functions, and construction method thereof
CN102704674A (en) * 2012-05-03 2012-10-03 中国葛洲坝集团股份有限公司 Hydraulic self-elevating template for vertical shaft and construction method thereof
CN103422668A (en) * 2013-08-09 2013-12-04 中建四局第六建筑工程有限公司 Construction method of super-thick large-slope shear wall and hydraulic self-jacking inclined creeping framework thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
田敬岩,曾志献,程斌彬: "舞台通道超高大筒体结构爬模体系的研究与应用", 《建筑技术》 *

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