CN104131706B - The construction method of the two-layer connection structure of vertical reinforcement of concrete frame structure - Google Patents
The construction method of the two-layer connection structure of vertical reinforcement of concrete frame structure Download PDFInfo
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- 238000009415 formwork Methods 0.000 claims abstract description 7
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Abstract
A construction method for the two-layer connection structure of vertical reinforcement of concrete frame structure, comprises N+1 layer horizontal structure, N layer vertical structure and binding device, and the length of standard vertical reinforcement is two floor heights, and binding device comprises outer climbing frame and colligation frame. Its construction procedure comprises construction level structure, settle outer climbing frame, set up colligation frame, the outside of colligation frame is fixedly connected with the top of outer climbing frame, two vertical movable supports are fixed to the lower inside of colligation frame, respectively spreading of vertical reinforcement total quantity dimidiation, utilizes colligation frame to carry out the formwork erection of vertical structure and builds the concrete of vertical structure, use outer climbing frame to drive colligation frame to rise to next floor height, the lower one deck horizontal structure of construction circulates until complete. The present invention utilizes the large feature of the large rigidity of vertical structure bar diameter, and the connection of vertical reinforcement is connected and changed into two layer of one connection by one deck one, has reduced the cost that the amount of labour used in construction is connected with reinforcing bar, obtains good economic benefits.
Description
Technical field
The present invention relates to the realm of building construction, particularly a kind of vertical reinforcement of concrete frame structure connects the construction method of structure.
Background technology
Along with the development of national economy and construction technology, construction scope constantly expands, and building height also constantly increases thereupon, and high level and Super High become important construction style day by day, and concrete frame structure is conventional anti-seismic structure, through being usually used among high level and high-rise building. Traditional frame column vertical reinforcement type of attachment is one deck one connection, by floor height requirement, frame column vertical reinforcement is carried out to cutting stock, successively construction from low to high, and use reinforcing bar connector to be connected and fixed between layer and the splice of layer. This frame column vertical reinforcement carries out the construction method that one deck one connects and has following technical problem:
1, to need a fairly large number of reinforcing bar connector between layer and the splice of layer, strengthen construction cost, waste material;
2, need before construction, carry out the work such as a large amount of reinforcing bar cutting stocks, reinforcing bar mantle fiber, reinforcing bar finished product protection and reinforcing bar rehandling, under current labour situation more and more in short supply, waste a large amount of manpower and materials;
3, the workload that on-the-spot reinforcing bar connects is larger, easily produces and connects defect, and the examination difficulty of reinforcing bar quality of connection is strengthened;
4,, owing to specifying in specification that 50% splice will keep certain spacing, joint location is adjusted difficulty;
5, frame column is executed man-hour requirement reinforcing bar binding scaffold is carried out to a large amount of setting up and removing, and constructs loaded down with trivial details.
Summary of the invention
The object of this invention is to provide a kind of construction method of the two-layer connection structure of vertical reinforcement of concrete frame structure, solve the construction technology existence waste reinforcing bar connector that available frame post vertical reinforcement one deck one connects, need a large amount of scaffold building and dismounting, need the plenty of time to carry out reinforcing bar cutting stock, reinforcing bar mantle fiber, reinforcing bar finished product protection and reinforcing bar rehandling, wasted the technical problem of manpower and materials; The workload that also will solve on-the-spot reinforcing bar connection is larger, easily produces and connects defect, the technical problem that the examination difficulty of reinforcing bar quality of connection is strengthened; Also to solve splice position in construction, adjust difficulty, cannot meet the technical problem of regulation and stipulation spacing.
For achieving the above object, the present invention adopts following technical scheme:
A kind of two-layer connection structure of vertical reinforcement of concrete frame structure, comprise N+1 layer horizontal structure, N layer vertical structure and for the binding device of the vertical reinforcement of constructing, the length of standard vertical reinforcement is two floor heights, to be embedded in the position dimidiation in concrete vertical structure, wherein half extends upwardly to the middle part of N+1 layer vertical structure to be built from the middle part of N-1 layer vertical structure, second half middle part from N layer vertical structure extends the middle part of N+2 layer vertical structure to be built, between two kinds of standard vertical reinforcements, be staggeredly arranged, wherein N is more than or equal to 2.
Described binding device comprises the outer climbing frame that is positioned at N layer vertical structure outside and the colligation frame that is trapped among N+1 layer vertical structure surrounding to be built, the outside of described colligation frame is fixedly connected with the top of outer climbing frame, the lower inside of colligation frame is placed in the top of N+1 layer horizontal structure, colligation frame by vertical movable supported on N+1 layer horizontal structure.
The described vertical movable steel pipe that is supported for, front and back respectively arrange one, the top of vertical movable support is flexibly connected with the bottom of colligation frame, and the bottom of vertical movable support is provided with cushion block base, and described cushion block base is placed in the uper side surface of N+1 layer horizontal structure.
The construction method of the two-layer connection structure of vertical reinforcement of this concrete frame structure, construction procedure is as follows:
Step 1, construction N layer horizontal structure, now ensures the installation in position of outer climbing frame in structure outside;
Step 2, according to the requirement of design drawing, around N layer vertical structure to be built, set up colligation frame, the outside of colligation frame is fixedly connected with the top of outer climbing frame, two vertical movable supports are fixed to the lower inside of colligation frame, front and back are each fixes one, and the cushion block base of vertical movable support base is placed in the uper side surface of N layer horizontal structure; ;
Step 3, N layer vertical reinforcement total quantity dimidiation, is respectively short muscle and first long muscle first, carries out Steel Reinforcing Bar Material according to two sizes, and the length of short muscle is a floor height first, and the length of long muscle is two floor heights first;
Step 4, carries out colligation to N layer vertical reinforcement, and after colligation completes, the top of short muscle extends the middle part of N+1 layer vertical structure first, and the top of long muscle extends the middle part of N+2 layer vertical structure to be built first;
Step 5, utilizes colligation frame to carry out the formwork erection of N layer vertical structure, and builds the concrete of N layer vertical structure;
Step 6, is used outer climbing frame to drive colligation frame to rise to next floor height;
Step 7, construction reference layer horizontal structure, i.e. N+1 layer horizontal structure;
Step 8, after horizontal structure construction, is rotated down vertical movable support, makes it be supported to the uper side surface of N layer horizontal structure by cushion block base;
Step 9, the cutting length of standard vertical reinforcement is two floor heights, the half that quantity is every layer of total number of steel bars;
Step 10, standard vertical reinforcement, after the top spreading of the middle part of N+1 layer vertical structure and short muscle 13 first, extends the middle part of N+3 layer vertical structure 11 to be built;
Step 11, utilizes colligation frame to carry out the formwork erection of N+1 layer vertical structure, and builds the concrete of N+1 layer vertical structure;
Step 12, is used outer climbing frame to drive colligation frame to rise to next floor height;
Step 13, construction lower one deck horizontal structure, i.e. N+2 layer horizontal structure;
Step 14, after horizontal structure construction, is rotated down vertical movable support, makes it be supported to the uper side surface of N+2 layer horizontal structure by cushion block base;
Step 15, repeating step nine~step 14 is until connect complete to the vertical reinforcement of concrete frame structure.
Described vertical movable bearing length is not less than 1800mm, to ensure that workman can not collide colligation frame and be as the criterion in the time that floor is current.
Compared with prior art the present invention has following characteristics and beneficial effect:
The present invention utilizes vertical structure bar diameter larger, the large feature of self rigidity, the connection of vertical reinforcement is connected and changed into two layer of one connection by traditional one deck one, the half that the quantity of every layer of actual connection of reinforcing bar is total vertical reinforcement, on each floor height, only have the vertical reinforcement of half to have splice, in the situation that not changing speed of application, reduce to greatest extent the amount of labour used in construction, every layer of vertical reinforcement only used the reinforcing bar connector of half quantity, the use amount of reinforcing bar connector has saved 50%, reduce the cost that reinforcing bar connects, obtain good economic benefit, meet green, the requirement of energy-conserving and environment-protective.
Reinforcing bar mantle fiber first being processed need to be carried out blanking to reinforcing bar with cutting machine; the work efficiency of cutting stock is lower; in the present invention, reinforcing bar connection changes into after two layer of one connection; greatly reduce the workload of reinforcing bar cutting stock, reinforcing bar mantle fiber, reinforcing bar finished product protection, reinforcing bar rehandling, the connection of on-the-spot reinforcing bar and quality inspection; taking 2000 vertical reinforcements of an index bed as example; each index bed has been saved the workload of the blanking cutting of 1000 reinforcing bars; reduce the cutting quantity of 2000 sections, saved 4~6 artificial recruitments and a large amount of grinding wheels. Therefore the present invention is ensured the workload equilibrium of assembling reinforcement operation, continuously, under current labour situation more and more in short supply, effectively must save labour's input.
The present invention subtracts the workload that the steel bar connector quantity that is a half is connected with on-the-spot reinforcing bar, avoid connecting the odds of defect, the work that has facilitated quality in site to check and accept, the restriction of also having avoided 50% splice specifying in specification will keep a determining deviation, makes the adjustment of splice position more flexible.
The present invention also utilizes outer climbing frame to carry out the design of reinforcing bar binding frame, utilize outer climbing frame as lifting means, colligation scaffold is fastened on outer climbing frame, reduce the recruitment of setting up and removing and the duration of reinforcing bar binding frame, improve operating efficiency, made workman have a safe and reliable operating environment.
The present invention is applicable to high level and Super High frame concrete structure, and the bar diameter General Requirements of frame column is more than 25mm, and peripheral use outer climbing frame etc. can realize by equipment of itself the engineering that support body climbs.
Brief description of the drawings
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
Fig. 1 is the schematic diagram of the two-layer connection structure of vertical reinforcement of the present invention.
Fig. 2 is the structural representation of step 4 after completing in construction method of the present invention.
Fig. 3 is the structural representation of step 8 after completing in construction method of the present invention.
Fig. 4 is the structural representation after construction method Plays layer step 10 of the present invention completes.
Fig. 5 is the structural representation after construction method Plays layer step 11 of the present invention completes.
Fig. 6 is the structural representation after construction method Plays layer step 12 of the present invention completes.
Fig. 7 is the structural representation after construction method Plays layer step 14 of the present invention completes.
Fig. 8 is the construction process figure that construction method of the present invention is used first.
Fig. 9 is the construction process figure of construction method Plays layer of the present invention.
Reference numeral: 1-N+1 layer horizontal structure, 2-N layer vertical structure, 3-N-1 layer vertical structure, 4-N+1 layer vertical structure, 5-N+2 layer vertical structure, 6-outer climbing frame, 7-colligation frame, the vertical movable support of 8-, 9-cushion block base, 10-standard vertical reinforcement, 11-N+3 layer vertical structure, 12-N layer horizontal structure, 13-short muscle, 14-long muscle, 15-N+2 layer horizontal structure first first.
Detailed description of the invention
The present embodiment is configured to example with a kind of two-layer connection of vertical reinforcement of concrete frame structure, and wherein horizontal structure is floor, and vertical structure is frame column.
Shown in Figure 1, this connection structure comprises N+1 layer horizontal structure 1, N layer vertical structure 2 and the binding device for the vertical reinforcement of constructing, the length of standard vertical reinforcement 10 is two floor heights, to be embedded in the position dimidiation in concrete vertical structure, wherein half extends upwardly to the middle part of N+1 layer vertical structure 4 to be built from the middle part of N-1 layer vertical structure 3, second half middle part from N layer vertical structure 2 extends the middle part of N+2 layer vertical structure 5 to be built, between two kinds of standard vertical reinforcements, be staggeredly arranged, wherein N is more than or equal to 2.
Described binding device comprises the colligation frame 7 that is positioned at the outer climbing frame 6 in N layer vertical structure 2 outsides and is trapped among N+1 layer vertical structure surrounding to be built, the outside of described colligation frame 7 is fixedly connected with the top of outer climbing frame 6, the lower inside of colligation frame 7 is placed in the top of N+1 layer horizontal structure 1, and colligation frame 7 is supported on N+1 layer horizontal structure 1 by vertical movable support 8.
Described vertical movable support 8 is steel pipe, front and back respectively arrange one, the top of vertical movable support 8 is flexibly connected with the bottom of colligation frame 7, and the bottom of vertical movable support 8 is provided with cushion block base 9, and described cushion block base 9 is placed in the uper side surface of N+1 layer horizontal structure 1.
In the present embodiment, N gets 2.
The construction method of the two-layer connection structure of vertical reinforcement of this concrete frame structure, construction process figure is referring to shown in Fig. 8-9, and construction procedure is as follows, shown in Figure 8:
Step 1, construction N layer horizontal structure, now ensures the installation in position of outer climbing frame in structure outside.
Step 2, according to the requirement of design drawing, around N layer vertical structure to be built, set up colligation frame, the outside of colligation frame is fixedly connected with the top of outer climbing frame, two vertical movable supports are fixed to the lower inside of colligation frame, front and back are each fixes one, and the cushion block base 9 of vertical movable support 8 bottoms is placed in the uper side surface of N layer horizontal structure 12.
Step 3, N layer vertical reinforcement total quantity dimidiation, is respectively short muscle and first long muscle first, carries out Steel Reinforcing Bar Material according to two sizes, and the length of short muscle is a floor height first, and the length of long muscle is two floor heights first.
Step 4, carries out colligation to N layer vertical reinforcement, and after colligation completes, the top of short muscle extends the middle part of N+1 layer vertical structure first, and the top of long muscle extends the middle part of N+2 layer vertical structure to be built first; Shown in Figure 2 after completing.
Step 5, utilizes colligation frame to carry out the formwork erection of N layer vertical structure, and builds the concrete of N layer vertical structure;
Step 6, is used outer climbing frame to drive colligation frame to rise to next floor height, is more than the step using first.
It is shown in Figure 9,
Step 7, construction reference layer horizontal structure, i.e. N+1 layer horizontal structure.
Step 8, after horizontal structure construction, is rotated down vertical movable support 8, makes it be supported to the uper side surface of N layer horizontal structure by cushion block base 9; Shown in Figure 3 after completing.
Step 9, the cutting length of standard vertical reinforcement 10 is two floor heights, the half that quantity is every layer of total number of steel bars.
Step 10, standard vertical reinforcement 10, after the middle part spreading of N+1 layer vertical structure 4, extends the middle part of N+3 layer vertical structure 11 to be built; Shown in Figure 4 after completing.
Step 11, utilizes colligation frame to carry out the formwork erection of N+1 layer vertical structure 4, and builds the concrete of N+1 layer vertical structure 4; Shown in Figure 5 after completing.
Step 12, is used outer climbing frame to drive colligation frame to rise to next floor height; Shown in Figure 6 after completing.
Step 13, construction lower one deck horizontal structure, i.e. N+2 layer horizontal structure 15.
Step 14, after horizontal structure construction, is rotated down vertical movable support 8, makes it be supported to the uper side surface of N+2 layer horizontal structure 15 by cushion block base 9; Shown in Figure 7 after completing.
Step 15, repeating step nine~step 14 is until connect complete to the vertical reinforcement of concrete frame structure.
Described vertical movable support 8 length are not less than 1800mm, to ensure that workman can not collide colligation frame 7 and be as the criterion in the time that floor is current.
Before matched moulds cast, in vertical structure, except vertical reinforcement, also need the distributing bars such as colligation stirrup.
When constructing, the present invention should be noted that following safety measure:
One, reinforcing bar binding belongs to work high above the ground, carries out by day as far as possible, and is hanging safety belt as requested. The first cross bar of colligation frame is arranged on more than 1.8 meters, and while being convenient to floor slab construction, personnel are current.
Two, because reinforcing bar is longer, should coordinate and carry out reinforcing bar and be connected and installed by two people, prevent due to reinforcing bar crank, there is the reinforcing bar falling phenomenon of accidentally dropping.
Three, the close order safety net of outer climbing frame arranged outside, in order to prevent that object from breaking through close order safety net, arranges the steel wire of 20 × 20mm in Dense mesh screen inner side.
Four, horizontal structure is that floorslab concrete intensity must reach after people's intensity, movable steel pipe support can be landed, and carries out reinforcing bar binding operation.
Five,, before movable supporting steel pipe lands, on scaffold, forbid to stack the materials such as reinforcing bar.
Six, when reinforcing bar lifts discharging, must below reinforcing bar, pad and establish flitch, transfer the load on larger floor face.
Seven, when outer climbing frame is attaching colligation frame hoisting depth while exceeding 6 meters, be in time socket with steel pipe and horizontal structure or vertical structure, prevent that support body free height is too high, support body entirety unstability.
Eight, in the time running into more than 5 grades strong wind, heavy rain, severe snow, ultralow temperature weather conditions below-10 DEG C, stop support body and climb, and should adopt an effective measure support body is reinforced in advance.
In the present invention, Steel Reinforcing Bar Material is only the half of vertical reinforcement total quantity, is highly the height of 2 layers, and when practical operation, reinforcing bar length differs and is decided to be the just in time height of 2 layers, can control by the adjustment of length the position of splice.
Claims (2)
1. a construction method for the two-layer connection structure of the vertical reinforcement of concrete frame structure, is characterized in that:
The two-layer connection structure of vertical reinforcement of this concrete frame structure, comprise N+1 layer horizontal structure (1), N layer vertical structure (2) and for the binding device of the vertical reinforcement of constructing, it is characterized in that: the length of standard vertical reinforcement (10) is two floor heights, to be embedded in the position dimidiation in concrete vertical structure, wherein half extends upwardly to the middle part of N+1 layer vertical structure (4) to be built from the middle part of N-1 layer vertical structure (3), second half middle part from N layer vertical structure (2) extends the middle part of N+2 layer vertical structure (5) to be built, between two kinds of standard vertical reinforcements, be staggeredly arranged, wherein N is more than or equal to 2,
Described binding device comprises the outer climbing frame (6) that is positioned at N layer vertical structure (2) outside and the colligation frame (7) that is trapped among N+1 layer vertical structure surrounding to be built, the outside of described colligation frame (7) is fixedly connected with the top of outer climbing frame (6), the lower inside of colligation frame (7) is placed in the top of N+1 layer horizontal structure (1), and colligation frame (7) is supported on N+1 layer horizontal structure (1) by vertical movable support (8);
Described vertical movable support (8) is steel pipe, front and back respectively arrange one, the top of vertical movable support (8) is flexibly connected with the bottom of colligation frame (7), the bottom of vertical movable support (8) is provided with cushion block base (9), and described cushion block base (9) is placed in the uper side surface of N+1 layer horizontal structure (1);
Construction procedure is as follows:
Step 1, construction N layer horizontal structure (12), now ensures the installation in position of outer climbing frame (6) in structure outside;
Step 2, according to the requirement of design drawing, around N layer vertical structure to be built, set up colligation frame (7), the outside of colligation frame is fixedly connected with the top of outer climbing frame (6), two vertical movable supports (8) are fixed to the lower inside of colligation frame, front and back are each fixes one, and the cushion block base (9) of vertical movable support (8) bottom is placed in the uper side surface of N layer horizontal structure (12);
Step 3, N layer vertical reinforcement total quantity dimidiation, is respectively short muscle (13) and first long muscle (14) first, carries out Steel Reinforcing Bar Material according to two sizes, the length of short muscle (13) is a floor height first, and the length of long muscle (14) is two floor heights first;
Step 4, carries out colligation to N layer vertical reinforcement, and after colligation completes, the top of short muscle (13) extends the middle part of N+1 layer vertical structure first, and the top of long muscle (14) extends the middle part of N+2 layer vertical structure to be built first;
Step 5, utilizes colligation frame to carry out the formwork erection of N layer vertical structure, and builds the concrete of N layer vertical structure (2);
Step 6, is used outer climbing frame to drive colligation frame to rise to next floor height;
Step 7, construction reference layer horizontal structure, the N+1 layer horizontal structure of constructing;
Step 8, after horizontal structure construction, is rotated down vertical movable support (8), makes it pass through cushion block base (9) and be supported to the uper side surface of N+1 layer horizontal structure (1);
Step 9, the cutting length of standard vertical reinforcement (10) is two floor heights, the half that quantity is every layer of total number of steel bars;
Step 10, standard vertical reinforcement (10), after the top spreading of the middle part of N+1 layer vertical structure (4) and short muscle (13) first, extends the middle part of N+3 layer vertical structure (11) to be built;
Step 11, utilizes colligation frame to carry out the formwork erection of N+1 layer vertical structure (4), and builds the concrete of N+1 layer vertical structure (4);
Step 12, is used outer climbing frame to drive colligation frame to rise to next floor height;
Step 13, construction lower one deck horizontal structure, i.e. N+2 layer horizontal structure (15);
Step 14, after horizontal structure construction, is rotated down vertical movable support (8), makes it pass through cushion block base (9) and be supported to the uper side surface of N+2 layer horizontal structure (15);
Step 15, repeating step nine~step 14 is until connect complete to the vertical reinforcement of concrete frame structure.
2. the construction method of the two-layer connection structure of the vertical reinforcement of concrete frame structure according to claim 1, it is characterized in that: described vertical movable support (8) length is not less than 1800mm, to ensure that workman can not collide colligation frame (7) and be as the criterion in the time that floor is current.
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CN105421740A (en) * | 2015-11-09 | 2016-03-23 | 天津一建建筑工程有限公司 | Formwork structure and construction method for major structure construction in building construction |
CN106638998A (en) * | 2016-10-17 | 2017-05-10 | 中国建筑第八工程局有限公司 | Concrete vertical alternative bay construction method |
CN109306754A (en) * | 2017-07-27 | 2019-02-05 | 五冶集团上海有限公司 | A kind of installing and fixing method of shear force wall reinforcing steel bar |
CN112049237B (en) * | 2020-09-04 | 2021-11-05 | 珠海华章工程管理咨询有限公司 | Vertical penetration construction method for high-rise building |
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CN1012746B (en) * | 1988-05-27 | 1991-06-05 | 天津市建筑科技设计研究院 | Multi-functional climbing-up shuttering |
DE29911524U1 (en) * | 1999-07-06 | 2001-01-04 | Heinzle, Otto, Montlingen, St. Gallen | Scaffolding for the construction of round towers made of reinforced concrete |
CN2440889Y (en) * | 2000-08-16 | 2001-08-01 | 刘功诠 | Lifting platform framework turning-over device |
CN201268918Y (en) * | 2008-08-26 | 2009-07-08 | 江苏南通二建集团有限公司 | Concealed column vertical reinforced bar with frame structure |
CN202990391U (en) * | 2012-12-05 | 2013-06-12 | 中国核工业华兴建设有限公司 | Multifunctional template supporting frame |
CN204112746U (en) * | 2014-07-28 | 2015-01-21 | 中建一局集团建设发展有限公司 | The two-layer connecting structure of vertical reinforcement of concrete frame structure |
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