CN105040980A - Method for continuous lifting construction of concrete complex structure - Google Patents
Method for continuous lifting construction of concrete complex structure Download PDFInfo
- Publication number
- CN105040980A CN105040980A CN201510337080.4A CN201510337080A CN105040980A CN 105040980 A CN105040980 A CN 105040980A CN 201510337080 A CN201510337080 A CN 201510337080A CN 105040980 A CN105040980 A CN 105040980A
- Authority
- CN
- China
- Prior art keywords
- concrete
- template
- layer
- column truss
- time
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
A method for continuous lifting construction of a concrete complex structure comprises the following steps: (1) designing formworks; (2) designing a concrete mixing ratio; (3) performing concrete warehousing design; (4) performing site construction: first installing three layers of formworks well and reinforcing the formworks; second when three layers of concrete is poured according to the layer thickness of 0.4 m and the requirements that the interlayer intermittent time is 1/2 the initial setting time, finishing initial setting of a first layer; when the second layer of formwork is poured and after construction of concrete of seven layers in total is performed, finishing final setting since the first layer of formwork concrete has been in initial setting for more than 3 h, and dismantling the first layer of formwork and installing the first layer of formwork to the fourth layer; third after the third layer of formwork concrete is poured and the final setting of the first layer of formwork concrete is finished, dismantling the second layer of formwork and installing the second layer of formwork to the fifth layer, and carrying out periodic continuous lifting in the same way, so that the upward construction of the concrete complex structure is performed continuously. The concrete complex structure is ingenious in design and convenient to dismantle and install, and the upward construction of the concrete complex structure can be performed continuously.
Description
Technical field
The present invention relates to the construction method that a kind of concrete labyrinth rises continuously, being applicable to concrete side has the structure such as keyway, joint bar, takes a kind of construction method of continuously upwards constructing.
Background technology
Concrete side has keyway, wear the structure of the complex surfaces such as template joint bar can not use slding form operation and adopt the stupefied steel form construction in bulk of framed bent circumference of cannon bone, and this method is the method generally used at present, and construction speed is slow, and structural stratification is many.When setting up operation safety protection facility in high-altitude, security risk is large.
Summary of the invention
The object of this invention is to provide the construction method that a kind of concrete labyrinth rises continuously, can overcome because complex structure adopts the large or uneconomic problem of climbing forms difficulty, enable concrete labyrinth increase continuously construction.
Technical scheme of the present invention is: the construction method that a kind of concrete labyrinth rises continuously, comprises the steps:
(1) design template formwork structure comprises column truss and winds up, column truss lower edge, column truss diagonal web member, the horizontal web member of column truss, enclose stupefied, template, the interspersed muscle lumps of wood, keyway dies, operating pedal, life rail and connecting elements, concrete structure with connected mode is: described column truss wind up by bolt with enclose stupefied anchor ear and be connected, template hangs on column truss winds up by template latch, the muscle lumps of wood that interts is connected with keyway dies by keyway dies latch, column truss diagonal web member, the horizontal web member of column truss and column truss wind up, column truss lower edge is welded into entirety, operating pedal head and head overlap be placed in column truss horizontal web member on and use iron wire colligation, security guardrail inserts in security guardrail socket.Safety net is tied up on security guardrail;
(2) concrete mix is designed, according to the rate of climb of schedule requirement, reinforcement installation time and template dismount and mount face, the storehouse preparation times such as time make one rise the control time, the concrete initial setting time is made according to control time, environment temperature, if the initial setting time is at zone of reasonableness, then according to this initial setting time design mixture proportion, comprise concrete outlet temperature, Admixture model and volume;
(3) concrete warehousing design, ability of putting in storage and unfailing performance meet the requirement of construction of rising continuously;
(4) site operation step:
1. good and sound three layers of template, high 4.5m, it is qualified to reinforce;
First floor initial set when 2. watering 3 layer concrete, when having watered second layer template concrete, more than 3 hour and the final set after initial set of first floor template concrete, tears first floor template open and pacifies to the 4th layer;
3. by thickness 0.4m, the interlayer intermittent time was 1/2 initial setting time.Having watered third layer template concrete and having torn second layer template after final set open pacifies to layer 5, and the rest may be inferred rises periodically continuously, and concrete labyrinth is continuously upwards constructed.
This is convenient to installation and removal, and structure has following features:
Be provided with lower edge at column truss lower edge to connect and adjusting bolt.Wind up to be provided with at column truss and enclose stupefied anchoring part, enclose and stupefiedly to be enclosed on stupefied anchoring part by bolt anchoring.
The heavy 16kg of the every block of described standard steel template, the heavy 26kg of keyway dies 13, the heavy 28kg of the every part of column truss, when template pacifies 3 layers, upwards having enough to meet the need hoisting depth is 4.5m.
Between described column truss and truss, winding up is connected by the welding steel connecting bolt that winds up, and lower edge connects with lower edge and adjusting bolt connects.
Described standard steel template template latch is connected to that column truss winds up, keyway dies keyway dies column latch is connected on column truss winds up, link by " U " type between standard steel template and connect, standard steel template is connected with keyway dies lumps of wood latch with between keyway dies and the interspersed muscle lumps of wood, and security guardrail is inserted in the security guardrail socket of column truss lower edge.
Every layer of die head is provided with lacing wire, and modular falsework cantilevered flexural square is greater than 50kNm.
The horizontal web member of column truss can place operating pedal, and column truss lower edge is provided with security guardrail socket and can plugs life rail, hang safety net.
The described rate of climb according to schedule requirement, reinforcement installation time and template dismount and mount the time make one rise the control time refer to the time calculating the rate of climb according to construction speed and often water needed for a layer concrete, 1st layer of initial set when having watered the 3rd layer concrete, the time of then watering needed for two layer concretes is decided to be the initial setting time, mix proportion is designed by this initial setting time, the model of selected Admixture and volume. if the concrete initial set time is oversize, and the concrete rate of climb need be accelerated, for concrete surface when preventing form removal deforms destruction, then can increase the number of plies of template, 4 layers of template are changed into by 3 layers, the construction needs of concrete continuous rising can be met.
Beneficial effect of the present invention is:
Can overcome because complex structure adopts the large or uneconomic problem of climbing forms difficulty, enable concrete labyrinth increase continuously construction.
Accompanying drawing explanation
The labyrinth rising construction formwork installation drawing continuously of Fig. 1 to be concrete side be plane.
The labyrinth rising construction formwork installation drawing continuously of Fig. 2 to be concrete side be curved surface.
Fig. 3 is the left view of Fig. 1, i.e. template back surface figure.
Fig. 4 is the plan view of Fig. 1, and side projection is the labyrinth face rising construction formwork installation drawing continuously of straight line.
Fig. 5 is the labyrinth rising construction formwork mounting plane figure continuously that concrete side is projected as curve.Be labeled as in figure:
Column truss winds up 1, column truss lower edge 2, column truss diagonal web member 3, the horizontal web member 4 of column truss, anchoring part angle steel 5, steel pipe seal plate 6, screw rod junction steel plate 7, enclose stupefied anchoring part 8, wind up connecting bolt 9, lower edge connects and adjusting bolt 10, enclose stupefied 11, enclose stupefied with truss connecting bolt 12, keyway dies 13, lacing wire 14, the interspersed muscle lumps of wood 15, standard steel template 16, wear formwork structure joint bar 17, enclose stupefied anchor ear 18, template latch 19, " U " type buckles 20, keyway dies lumps of wood latch 21, keyway dies column latch 22, operating pedal 23, life rail socket 24, life rail 25, safety net 26.
Detailed description of the invention
Following Structure Figure and embodiment are further described technical scheme of the present invention.
The construction method that concrete labyrinth of the present invention rises continuously, comprises the steps:
(1) stencil design
The described continuous ascending formwork of concrete labyrinth, comprises that column truss winds up 1, column truss lower edge 2, column truss diagonal web member 3, the horizontal web member of column truss 4, encloses stupefied 11, template 16, interts the muscle lumps of wood 15, keyway dies 13, operating pedal 23 and life rail 25.Concrete structure with annexation is: described column truss is winded up and 1 to be connected with the anchor ear enclosing stupefied 11 by bolt 12, template 16 hangs over column truss by template latch 19 and winds up 1 and be attached to and enclose on stupefied 11, connected by U-shaped button 20 between template, keyway dies 13 hangs over column truss by latch 22 and winds up on 1, and the muscle lumps of wood 15 that interts is connected with keyway dies 13 by keyway dies latch 21.The horizontal web member of column truss diagonal web member 3, column truss 4 and column truss wind up 1, column truss lower edge 2 is welded into entirety, operating pedal 23 and head overlap and are placed on the horizontal web member of column truss and use iron wire colligation, and life rail 25 inserts in life rail socket 24.Safety net 26 is tied up on life rail 25.
For structural plane keyway, the more concrete structure of muscle that interts, adopt the continuous ascending formwork of bulk type, formwork structure as shown in Figures 1 to 5.Column truss is separated with template, single-piece is removed and is upwards had enough to meet the need installation, also cry and turn over liter, due to structural element dispersion, quantity is many, piece weight is light, promote uneconomical with tower crane door machine, and adopt artificial lift, single lifting weight is less than 18kg, two people's lifting weights are less than 30kg, so piece weight will control within 30kg.Template is P3015 steel form, and every block weight 16kg, can singlely draw high; Keyway dies 13 makes of the thick square tube of 2mm and 1.2mm steel plate, and weight is 26kg, and two people can combine and draw high; Column truss winds up 1, column truss lower edge 2, column truss diagonal web member 3, the horizontal web member 4 of column truss, wherein compressed structure column truss lower edge 2, column truss diagonal web member 3, the horizontal web member of column truss 4 adopt light wall pipe to have enough radius of gyration, column truss wind up 1 tension by curved and will with enclose stupefied easy to connect, adopt channel-section steel, the single weight of column truss is 28kg, and two people can combine and draw high.Remaining component is as stupefied etc. in enclosed, and single-piece weight average is less than 10kg.Column truss will have enough cantilever stiffness, determines, the physical dimension of column truss and rod member specification according to the strength condition of its top concrete lateral pressure effect column truss cantilever force after the concrete final set of lacing wire bottom.The connection of formwork structure will take easy disassembly as principle, except column truss, enclose stupefied anchoring part 8 stressed too large and with bolts except, all the other all adopt latch to connect.The each unit of life rail 25 is independent, inserts in the security guardrail socket 24 of column truss lower edge 2.When being burnishing surface for concrete side, column truss and template are welded into overall bulk fabricated construction, adopt door machine or tower crane to turn over liter, the present invention is not containing this type of.
(2) solidifying native mix-design
Template by schedule requirement and economically lifting speed design, so the initial setting time that the concrete initial set time will require with template construction conforms to, could solve by the increase template number of plies if cannot to meet when it requires.Generally, the hot weather construction initial setting time should be greater than 6 hours, and Admixture model is efficient retardation setting type.And some temperature control measures are carried out to aggregate, cement and mixing water.The winter low temperature period constructs, and Admixture is high efficiency water reducing agent, shortens the initial setting time, ensures the rate of climb.
(3) concrete warehousing design
Concrete warehousing ability is wanted to meet the construction requirement that continuously rises.Every machine-team placing intensity 500m
3above large storehouse, should adopt tower belt crane formula Perforator vessel to put in storage.Every machine-team 150 ~ 500m
3adopted belt material machine or multiple stage door machine combine the mode of putting in storage.Every machine-team 150m
3following, a machine or concrete pump can be adopted to put in storage, above-mentioned multiple mechanically combining also can be adopted to put in storage.In a word, it is rich to some extent that ability of putting in storage builds the time than every layer concrete that stencil design requires.Namely between layer of concrete, the intermittent time is less than the initial setting time.
(4) the enforcement of component on site construction method
First to arrange assembling reinforcement and template construction labour, after material prepares abundance, with reference to Fig. 1, follow these steps to carry out concrete construction:
1. model sheetinstallat 3 layers has been tied up reinforcing bar through testing position is qualified and obtained the card that opens a position.
2. be 1/2 initial setting time by every layer of 0.4m thick time of building, namely water 3 layers of complete rear first floor initial set, water full 2 layers of template, after totally 7 layer concretes, at this moment first floor template inner concrete after initial set more than 3 hour.
3. remove first floor template to pacify to the 4th layer, utilize the time that dismounts and mounts of the 4th layer of template to build concrete in the 3rd layer of template, the 2m if every day rises, the time of watering full one deck template is
Hour,
Within every 8 ~ 10 hours, can dismount and mount one deck template, rich if having time, illustrating rises continuously enough assurance.When watering full 3 layers of template inner concrete, the 4th layer of template is good and sound qualified already.
4. remove the 2nd layer of template to pacify to the 5th layer, utilize the time that dismounts and mounts of the 5th layer of template to water concrete in the 4th layer of template.The rest may be inferred continuously rises construction.
Example:
Construction method of the present invention is used for the construction of kwan-yin rock powerhouse of hydropower station upstream and downstream, Sichuan wall.This factory building is installed 5 600MW units, upstream and downstream wall is main building bridge machine track foundation, be unit concrete between two walls, water unit concrete after first watering wall, between New-old concrete, bonding surface 26m height 70m long (4#, 5# unit section) is provided with seam joint bar, keyway, bracket.Concrete labyrinth of the present invention is adopted to rise continuously construction method, construct for 4#, 5# owner factory building upstream and downstream wall, construction speed is 4 times of template construction in bulk, template construction in bulk is that within 8 ~ 10 days, to water 3m high, this method be every day 1.5 ~ 2.0m high, the concrete initial setting time is 18h.
Claims (7)
1. the construction method that rises continuously of concrete labyrinth, is characterized in that, comprise the steps:
(1) design template, formwork structure comprises column truss and winds up, column truss lower edge, column truss diagonal web member, the horizontal web member of column truss, enclose stupefied, template, the interspersed muscle lumps of wood, keyway dies, operating pedal, sissy bar and connecting elements, described column truss wind up by bolt with enclose stupefied anchor ear and be connected, template hangs on column truss winds up by template latch, the muscle lumps of wood that interts is connected with keyway dies by keyway dies latch, column truss diagonal web member, the horizontal web member of column truss and column truss wind up, column truss lower edge is welded into entirety, operating pedal head and head overlap be placed in column truss horizontal web member on and use iron wire colligation, security guardrail inserts in security guardrail socket, safety net is tied up on security guardrail,
(2) concrete mix is designed, according to the rate of climb of schedule requirement, reinforcement installation time and template dismount and mount the time make one rise the control time, make the concrete initial setting time according to control time, environment temperature, then according to this initial setting time design mixture proportion;
(3) concrete warehousing design, ability of putting in storage and unfailing performance meet the requirement of construction of rising continuously;
(4) site operation step:
1. good and sound three layers of template, high 4.5m, it is qualified to reinforce;
2. by thickness 0.4m, the interlayer intermittent time was 1/2 initial setting time.First floor initial set when having watered 3 layer concrete, when having watered second layer template concrete, first floor template concrete reaches final set in more than 3 hour after initial set, tears first floor template open and pacifies to the 4th layer;
3. having watered third layer template concrete and having torn second layer template after final set open pacifies to layer 5, and the rest may be inferred rises periodically continuously, and concrete labyrinth is continuously upwards constructed.
2. construction method according to claim 1, is characterized in that, is provided with lower edge and connects and adjusting bolt, wind up to be provided with enclose stupefied anchoring part at column truss, enclose and stupefiedly to be enclosed on stupefied anchoring part by bolt anchoring at column truss lower edge.
3. construction method according to claim 1, is characterized in that, the heavy 16kg of the every block of described standard steel template, the heavy 26kg of keyway dies 13, and the heavy 28kg of the every part of column truss, when model sheetinstallat 3 layers, upwards having enough to meet the need hoisting depth is 4.5m.
4. construction method according to claim 1, it is characterized in that, described standard steel template template latch is connected to that column truss winds up, keyway dies keyway dies column latch is connected on column truss winds up, link by " U " type between standard steel template and connect, standard steel template is connected with keyway dies lumps of wood latch with between keyway dies and the interspersed muscle lumps of wood, and security guardrail is inserted in the security guardrail socket of column truss lower edge.
5. construction method according to claim 1, is characterized in that, every layer of die head is provided with lacing wire, and modular falsework cantilevered flexural square is greater than 50kNm.
6. construction method according to claim 1, is characterized in that, the horizontal web member of column truss can place operating pedal, and column truss lower edge is provided with security guardrail socket and can plugs life rail, hang safety net.
7. construction method according to claim 1, it is characterized in that, the described rate of climb according to schedule requirement, reinforcement installation time and template dismount and mount the time make one rise the control time refer to the time calculating the rate of climb according to construction speed and often water needed for a layer concrete, 1st layer of initial set when having watered the 3rd layer concrete, the time of then watering needed for two layer concretes is decided to be the initial setting time, mix proportion is designed by this initial setting time, the model of selected Admixture and volume, if the concrete initial set time is oversize, the concrete rate of climb need be accelerated, for concrete surface when preventing form removal deforms destruction, then can by increasing the number of plies of template, 4 layers of template are changed into by 3 layers, such initial setting time is 5 layers of construction needs of building that the time just can meet concrete continuous rising.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510337080.4A CN105040980B (en) | 2015-06-17 | 2015-06-17 | Method for continuous lifting construction of concrete complex structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510337080.4A CN105040980B (en) | 2015-06-17 | 2015-06-17 | Method for continuous lifting construction of concrete complex structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105040980A true CN105040980A (en) | 2015-11-11 |
| CN105040980B CN105040980B (en) | 2017-05-17 |
Family
ID=54447921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510337080.4A Active CN105040980B (en) | 2015-06-17 | 2015-06-17 | Method for continuous lifting construction of concrete complex structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105040980B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109281321A (en) * | 2018-11-28 | 2019-01-29 | 中建隧道建设有限公司 | Plate device and construction method for side wall gunite concrete with mould rapid construction |
| CN114658209A (en) * | 2022-05-05 | 2022-06-24 | 山西四建集团有限公司 | Concrete structure outer wall arc shaping template and construction method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020100247A1 (en) * | 2001-01-31 | 2002-08-01 | Nieh-Hung Lai | Method for quickly building a building and moldboard employed in the method |
| CN2893055Y (en) * | 2006-06-14 | 2007-04-25 | 北京建工一建工程建设有限公司 | Super high wall body three-section form |
| CN201850508U (en) * | 2010-06-11 | 2011-06-01 | 中国建筑股份有限公司 | Non-strut bridge pier template |
| CN202047591U (en) * | 2011-04-12 | 2011-11-23 | 广州市建筑集团有限公司 | Reinforcing steel bar truss template |
| CN203626236U (en) * | 2013-11-15 | 2014-06-04 | 华汇建设集团有限公司 | Spliced formwork supporting truss with aluminum formwork on top surface |
| CN104234012A (en) * | 2014-09-28 | 2014-12-24 | 浙江水利水电学院 | Ultralong concrete slip form body of concrete rockfill dam and construction method of slip form body |
-
2015
- 2015-06-17 CN CN201510337080.4A patent/CN105040980B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020100247A1 (en) * | 2001-01-31 | 2002-08-01 | Nieh-Hung Lai | Method for quickly building a building and moldboard employed in the method |
| CN2893055Y (en) * | 2006-06-14 | 2007-04-25 | 北京建工一建工程建设有限公司 | Super high wall body three-section form |
| CN201850508U (en) * | 2010-06-11 | 2011-06-01 | 中国建筑股份有限公司 | Non-strut bridge pier template |
| CN202047591U (en) * | 2011-04-12 | 2011-11-23 | 广州市建筑集团有限公司 | Reinforcing steel bar truss template |
| CN203626236U (en) * | 2013-11-15 | 2014-06-04 | 华汇建设集团有限公司 | Spliced formwork supporting truss with aluminum formwork on top surface |
| CN104234012A (en) * | 2014-09-28 | 2014-12-24 | 浙江水利水电学院 | Ultralong concrete slip form body of concrete rockfill dam and construction method of slip form body |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109281321A (en) * | 2018-11-28 | 2019-01-29 | 中建隧道建设有限公司 | Plate device and construction method for side wall gunite concrete with mould rapid construction |
| CN114658209A (en) * | 2022-05-05 | 2022-06-24 | 山西四建集团有限公司 | Concrete structure outer wall arc shaping template and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105040980B (en) | 2017-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101824800B (en) | Method for construction of bridge cast-in-situ pre-stressed concrete continuous beam | |
| CN101936170B (en) | Cavern arch mould spraying concrete construction structure and process | |
| CN104727222B (en) | Separated steel and concrete combined cable tower anchorage zone structure | |
| CN206016309U (en) | A kind of overall assembled building system | |
| CN102251540A (en) | Construction installation method for fast-easy setback grid of bottom plate construction joint | |
| CN208502068U (en) | A kind of partial precast assembly prestress girder with rolled steel section en cased in concrete | |
| CN105040980A (en) | Method for continuous lifting construction of concrete complex structure | |
| CN111188268A (en) | Super-large cast-in-situ gravity type anchorage and construction method | |
| CN207376945U (en) | A kind of concrete prefabricated wallboard of steel bar girder and structural system | |
| CN214531150U (en) | Novel connection structure of superimposed sheet and cast-in-place roof beam | |
| CN206784392U (en) | The horizontal inner supporting body system of deep basal pit assembled combination steel construction | |
| CN107313551A (en) | A kind of concrete prefabricated wallboard of steel bar girder and structural system and its construction method | |
| CN105649259B (en) | A kind of wallboard structural system of the dark framework of band of precast concrete wall panel and its structure | |
| CN204804129U (en) | Prefabricated concrete floor entirely for building | |
| CN205329970U (en) | Precast concrete wallboard and wall panel structure system of dark frame in area of structure thereof | |
| CN207211436U (en) | A kind of steel and concrete shear wall assembling-type space module structural system | |
| CN207538201U (en) | A kind of post-tensioned prestressing assembles concrete frame energy dissipation component system | |
| CN203603461U (en) | Floor aluminum shuttering splicing formwork structure system | |
| CN215563714U (en) | Prefabricated assembly type prestressed steel reinforced concrete multi-web hollow composite floor slab | |
| KR101323140B1 (en) | Reinforced concrete beam-column structure using shop-assembled bar frame | |
| CN101418602B (en) | In-situ casting construction method of reinforced concrete structural system using phosphogypsum as wall material | |
| CN107355027A (en) | A kind of steel and concrete shear wall assembling-type space module structural system and construction method | |
| CN106906923A (en) | The attachment means of fabricated shear wall horizontal joint and connection method | |
| CN209413171U (en) | A kind of prefabricated component stair of light silencing | |
| CN209412977U (en) | A kind of precast concrete truss element and precast concrete truss |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |