CN101906873A - Column form unit, transversal fastening frame and construction method for cast-in-situ reinforced concrete column - Google Patents
Column form unit, transversal fastening frame and construction method for cast-in-situ reinforced concrete column Download PDFInfo
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- CN101906873A CN101906873A CN2009101709550A CN200910170955A CN101906873A CN 101906873 A CN101906873 A CN 101906873A CN 2009101709550 A CN2009101709550 A CN 2009101709550A CN 200910170955 A CN200910170955 A CN 200910170955A CN 101906873 A CN101906873 A CN 101906873A
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Abstract
The invention provides a column form unit, a transversal fastening frame for the column form unit and a construction method for a cast-in-situ reinforced concrete column, capable of making construction of the cast-in-situ reinforced concrete column easy, accurately and rapidly assembling a column template, and coping with a horizontal fastening fitting even if the dimension of the concrete column is changed. When the reinforced concrete column is constructed by combining the templates, the cast-in-situ reinforced concrete column can be constructed by the column form unit composed of templates, a plurality of longitudinal chocks and a plurality of telescopic type transversal fastening frames, wherein the longitudinal chocks are parallelly mounted along a length direction of each external surface of the three templates, and the templates are combined into a groove shape to form a template group with longitudinal chocks; and the telescopic type transversal fastening frames open upwards, perform positioning to a plurality of positions in the long side of the templates with longitudinal chocks and fasten from both sides to form a column form, so that the assembled column form unit ascends from beneath to combine onto the reinforced steel frame to match the column form onto the reinforcing steel frame, thereby performing forming construction of the cast-in-situ reinforced concrete column.
Description
Technical field
The present invention relates to a kind of beam form frame unit, beam form frame unit job practices with horizontal fastening frame and cast-in-situ reinforced concrete beam, special propose with by in the building site to the reinforcing steel bar frame that the configures reinforcing bar fluid concrete relevant technical scheme of cast-in-situ reinforced concrete beam of constructing on every side.
Background technology
In the past, in the construction of civil construction things such as large-scale building or bridge, adopted cast-in-situ reinforced concrete beam or precast concrete beam.Wherein, precast concrete beam is the standard product that can make in a large number in factory.Therefore have this advantage of stay in grade, yet owing to must precast concrete beam be transported to the building site with haulage devices such as trucies, so size-constrained, especially be not suitable for building.
On the other hand, cast-in-situ reinforced concrete beam generally is that to weld spiral bar (stirrup) and making up the cross section around as many main muscle of the major part of reinforced concrete beam be the reinforcing steel bar frame of rectangular beam shape, this reinforcing steel bar frame transverse strands is set to the portion of being set up, and after disposing the beam form frame around this reinforcing steel bar frame and fixing, by what make up to the inside of this beam form frame fluid concrete.Thus, be to construct in the building site so do not have transport restrictions, can be used in the construction building.
In the past, when described reinforced concrete beam being constructed in the building site, at first transverse strands be located at many main muscle (reinforcing bar) between the pillar around with the form that forms horizontal rectangular shape stirrup is set, thereby be built into the reinforcing steel bar frame of dihedral beam shape, on the other hand, at the transversely arranged and fixing many fifes that are called truss (truss) on the external surface of three framed plates that are used to carry the concrete loading and in the length range at its long side direction, then, these three framed plates are set (structure is set up) around above-mentioned reinforcing steel bar frame with being flute profile, and combine and keep predetermined space between opposed two framed plates of sidepiece mutually by eliminator (separator).Then, be combined into a plurality of positions of long side direction of the band fife pattern deckle board of flute profile at this, vertical square material (バ タ material) is fitted on the fife from two sides, and horizontal square material is fitted on the fife from the below, to couple together between the bottom of horizontal square material with vertical square material, and vertical square material is fastening, thereby three framed plates are fixed into the frame shape of flute profile with above-mentioned eliminator.
Yet, in above-mentioned existing beam form framework and adopt in the job practices of reinforced concrete beam of this beam form framework following problem is arranged.That is, in the concrete pouring space that is formed by three framed plates, set eliminator in the mode of crossing reinforcing steel bar frame, therefore the operability of construction is poor.In addition, owing to set eliminator, therefore the beam form framework to be risen from the below with respect to the reinforcing steel bar frame of the structure position that is assembled in beam and when being combined on this reinforcing steel bar frame, can be subjected to stopping of eliminator and can't carry out this operation in the mode of crossing in the beam form frame.Therefore, in beam form frame construction in the past, framed plate need be configured in successively the below and two sides of reinforcing steel bar frame and assemble, therefore increase man-hour, owing to carry out when this situation also can hinder the assembling operation of the assembling operation of beam steel and beam form framework, therefore become the obstruction that the duration shortens.
And, when a plurality of splitter group being installed in the framed plate that sets, need be between main muscle and stirrup insert in the mode of boring seam, therefore exist the installation of eliminator to need the problem of knack.
For described problem of the prior art, in order to solve the inconvenience that described problem is brought, proposition is just like disclosed beam form framework in patent documentation 1 and the patent documentation 2, and disclosed beam form framework all relates to the motion of the beam form framework used with the cast in place concrete beam of floor in the described document.
The beam form framework of record constitutes in the patent documentation 1, respectively with stent support and on the joist (drawing I greatly) that the down either side of the construction location of beam is extended along the long side direction of beam, in a plurality of positions of joist long side direction with respectively with the mode of joist quadrature fixing crossbearer material flatly, on each crossbearer material, the construction location both sides of beam are fixing two horizontal square materials along the mode that the crossbearer material moves, and the bottom of two vertical square materials that is disposed at the medial end top of described horizontal square material respectively is a pivot with described horizontal square material, with can with respect to the construction location of beam near and the mode of the direction swing left by pivotal support, oblique drawing is provided with retractile Detent fitting between the horizontal square material of each vertical square material and the described vertical square material of pivotal support, thereby can adjust the pendulum angle of each vertical square material, constitute towards the horizontal fastening frame of the コ word shape of upper shed by above-mentioned crossbearer material and two vertical square materials.And, with across the mode between the horizontal fastening frame of the above-mentioned a plurality of positions on the joist, in these horizontal fastening frames, set three framed plates that are used to carry the concrete loading with being flute profile, at transversely arranged and fixing many fifes on the external surface of described three framed plates and in the length range at its long side direction, a plurality of fifes are installed on the crossbearer material and vertical square material of above-mentioned horizontal fastening frame, thus three framed plates are fixed into the frame shape of flute profile.This beam form framework is not owing to cross the interior eliminator of beam form frame, thereby can rise from the below and assemble with respect to reinforcing steel bar frame by support, after the hardening of concrete in being poured into the beam form frame, make two horizontal square materials on the crossbearer material, move and make by support that the beam form framework is whole to descend, can easily make concrete beam demoulding from the beam form framework thus to the direction that is separated from each other.
In addition, in the beam form framework of in patent documentation 2, putting down in writing, three framed plates that will be used to carry the concrete loading are adapted to flute profile, and at transversely arranged fixing many fifes on the external surface of described framed plate and in the length range at its long side direction, a plurality of positions at the long side direction of described many fifes, fit the respectively vertical chock of two sides and the fife of below, on fife respectively by pivot two lateral member of mode pivotal support (horizontal material) swinging along the vertical direction, the bottom of the vertical chock of two sides is combined with two lateral member right angles respectively, be provided with the stay bolt that runs through these lateral member at the pivot upside of described lateral member.And, by two lateral member are fastening to mutually approaching direction with this stay bolt, thus the vertical chock of two sides is fastening, three framed plates are fixed into the frame shape of flute profile.This beam form framework is not owing to cross the interior eliminator of beam form frame yet, thereby can rise from the below and assemble with respect to reinforcing steel bar frame by support, after the hardening of concrete in being poured into the beam form frame, unclamping stay bolt makes two movable lateral member to the direction swing that is separated from each other, and make the whole decline of beam form framework by support, can easily make concrete beam demoulding from the beam form framework thus.
Patent documentation 1: TOHKEMY 2002-364170 communique
Patent documentation 2: TOHKEMY 2008-261142 communique
Yet, in the technology of in described document 1,2, putting down in writing, the vertical chock that has adopted two sides by movable lateral member or fife pivotal support and all vertical chocks all can to mutually near and the structure of the direction swing left, therefore, when framed be shaped, just getting (fourth Zhang り, the cut-off angle, get vertical and level) time, have that operation expends time in, the structure problem of setting up (assembling is fixing) difficulty and expending man-hour accurately.
In addition, in the technology of in document 1, putting down in writing, the mobile range of movable lateral member is less, it moves and only is used for the lax and inching when fastening required when the demoulding, rather than big stretching structure to the various thicknesses that can tackle the beam that sets up (600 * 800mm, 900 * 1200mm etc.) degree.
On the other hand, in the technology of in document 2, putting down in writing, though run through a plurality of holes of lateral member pivot by setting and increased the mobile range of lateral member to a certain extent, yet during the thickness of the beam that sets up in change, still there are the following problems: need change the operation of through hole of the pivot of lateral member with the thickness of beam accordingly, and the thickness of beam be subjected to running through described pivot the hole the position restriction and can not carry out inching.
Summary of the invention
For this reason, the objective of the invention is to, not only can easily carry out the construction of cast-in-situ reinforced concrete beam, and can realize accurately, promptly that the structure of beam form frame sets up, and then can also change, and can just get (cut-off angle, get vertical and level) exactly with a kind of thickness of horizontal securing member reply concrete beam.
The present inventor has expected the present invention of following primary structure after the technology that can overcome above-mentioned the problems of the prior art point and can realize above-mentioned purpose is reliably studied with keen determination as otherwise effective technique.
Promptly, the present invention proposes a kind of beam form frame unit, this beam form frame unit is used to make up reinforced concrete beam, it is characterized in that, this beam form frame unit comprises: the framed plate group of band fife, the framed plate group of this band fife are at transversely arranged and fixing many fifes on three framed plates external surface separately and in the length range at its long side direction and these framed plates are combined into flute profile constitute; With the horizontal fastening frame of a plurality of telescopic types, they form the コ word shape of opening separately up, a plurality of positions of the long side direction of the framed plate group of described band fife are positioned and fastening and form the beam form frame from two sides, described horizontal fastening frame comprises: three tube connectors, these three tube connectors comprise a horizontal tube connector and two vertical tube connectors, a described horizontal tube connector is configured along the framed plate in bottom in the framed plate group of described band fife, and described two vertical tube connectors are configured along the framed plate in both sides in the framed plate group of described band fife respectively; Two elbow bends, their both ends are chimeric with plug mode and described vertical tube connector and described horizontal tube connector freely respectively, and opposed mutually in the mode of each corner part of constituting described horizontal fastening frame; Three through rods, these three through rods comprise two vertical through rods and a horizontal through rod, these two vertical through rods connect each described elbow bend and the described vertical tube connector chimeric with described elbow bend respectively, and a described horizontal through rod connects described two elbow bends and the described horizontal tube connector chimeric with described elbow bend; With the clamp nut that is installed on the described through rod, and described horizontal fastening frame constitutes: can change the restraint location of described clamp nut according to the size of described beam form frame, thereby the chimeric length of described elbow bend and described tube connector is adjusted.
In addition, the present invention proposes the horizontal fastening frame in a kind of beam form frame unit, it is the horizontal fastening frame of telescopic type that forms the コ word shape of opening up, a plurality of positions of long side direction of the framed plate group of band fife are positioned respectively and fastening and form the beam form frame from two sides, the framed plate group of described band fife is at transversely arranged and fixing many fifes on three framed plates external surface separately and in the length range at its long side direction and these framed plates are combined into flute profile constitute, this beam form frame unit comprises with horizontal fastening frame: three tube connectors, these three tube connectors comprise a horizontal tube connector and two vertical tube connectors, a described horizontal tube connector is configured along the framed plate in bottom in the framed plate group of described band fife, and described two vertical tube connectors are configured along the framed plate in both sides in the framed plate group of described band fife respectively; Two elbow bends, their both ends are chimeric with plug mode and described vertical tube connector and described horizontal tube connector freely respectively, and opposed mutually in the mode of each corner part of constituting described horizontal fastening frame; Three through rods, these three through rods comprise two vertical through rods and a horizontal through rod, these two vertical through rods connect each described elbow bend and the described vertical tube connector chimeric with described elbow bend respectively, and a described horizontal through rod connects described two elbow bends and the described horizontal tube connector chimeric with described elbow bend; With the clamp nut that is installed on the described through rod, and described horizontal fastening frame constitutes: can change the restraint location of described clamp nut according to the size of described beam form frame, thereby the chimeric length of described elbow bend and described tube connector is adjusted.
And then, the present invention proposes a kind of job practices of cast-in-situ reinforced concrete beam, this method makes up reinforced concrete beam to the inside of this beam form frame fluid concrete after around the reinforcing steel bar frame beam form frame being set, it is characterized in that, at first, the framed unit of Web beam in advance, this beam form frame unit comprises the framed plate group of being with fife and forms the horizontal fastening frame of a plurality of telescopic types of the コ word shape of opening separately up, the framed plate group of this band fife is at transversely arranged and fixing many fifes on three framed plates external surface separately and in the length range at its long side direction, and these framed plates are combined into flute profile to be constituted, the horizontal fastening frame of described a plurality of telescopic type positions a plurality of positions of the long side direction of the framed plate group of described band fife and is fastening and form the beam form frame from two sides, this beam form frame unit former state that assembles is risen unchangeably and be combined on the described reinforcing steel bar frame, thus described beam form frame is set on the described reinforcing steel bar frame from the below.
In addition, preferably, in the present invention,
(1) the described tube connector of described horizontal fastening frame and described elbow bend are made of box section or round tube;
(2) chimericly in described tube connector be inserted with beam width restriction with pipe or helical spring, described beam width restriction with manage or opposed end in this tube connector that helical spring is folded in described elbow bend each other;
(3) described elbow bend has the described vertical through rod that sets with through hole and described horizontal through rod through hole on mutually orthogonal direction at its corner part.
The invention effect:
(1) according to beam form frame of the present invention unit, the structure that can promptly carry out the beam form frame is set up (assembling fixing) operation, and can just get (cut-off angle, get vertical and level) exactly, and firm beam form frame can be provided.And, can be independent of the reinforcing steel bar frame group muscle operation of carrying out in the building site, locate to carry out the assembling operation of beam form frame in factory etc. in advance, so can reduce site operation, be expected to the reduction of erection time.
(2) according to horizontal fastening frame of the present invention, can easily be applicable to any of multiple reinforced concrete beam that thickness is different, need not to prepare multiple horizontal fastening frame, be enough to as long as prepare a kind of horizontal fastening frame, so can reduce the stock control of component, also favourable aspect cost.
(3) and, according to horizontal fastening frame of the present invention, owing to it is by tube connector and the elbow bend combination formation コ word shape of opening up, so the telescoping part of tube connector and elbow bend is not at corner part, and be in the position of horizontal part and vertical component effect (near the centre of framed plate), so can just get exactly, the structure operation of particularly cut-off angle, and beam form frame becomes and need not skillfully easily.
(4) and then, according to horizontal fastening frame of the present invention, preferred tube connector and elbow bend are formed by box section, it is chimeric freely to plug ground, so be difficult under the connection status producing becoming flexible, as the shape stability excellence of beam form frame unit, reinforcement placing concrete beam exactly.
(5) and, job practices according to cast-in-situ reinforced concrete beam of the present invention, owing on beam form frame unit, eliminator is not installed, thereby therefore can only the beam form frame be set on the reinforcing steel bar frame by making beam form frame unit rise and be combined on this reinforcing steel bar frame with respect to reinforcing steel bar frame, therefore can finish this operation at short notice, help the reduction of erection time, and also be favourable aspect cost.
Description of drawings
Fig. 1 is the partial cross section view of an embodiment of beam form frame of the present invention unit.
Fig. 2 is the exploded perspective view of the state of laterally buckling that a beam form frame unit embodiment that had, the horizontal fastening frame of telescopic type of the present invention of the foregoing description is shown.
Fig. 3 is the partial cross section view that an embodiment of the beam form frame job practices unit, reinforced concrete beam of the present invention that has adopted the foregoing description is described.
Fig. 4 illustrates the key diagram that makes the reinforced concrete beam method of the demoulding from the beam form frame unit of the foregoing description after the construction.
Label declaration
1: beam form frame (beam type frame) unit; 2a: the framed plate in bottom; 2b, 2c: the framed plate of sidepiece; 3: fife; 4: the framed plate group of band fife; 4a: the band fife pattern deckle board of bottom; 4b, 4c: the band fife pattern deckle board of sidepiece; 5: horizontal fastening frame; 6: tube connector; 6a: horizontal tube connector; 6b, 6c: vertical tube connector; 6d: carriage; 7: elbow bend; 8: through rod; 8a: horizontal through rod; 8b, 8c: vertical through rod; 9: pad; 10: nut; 11: pipe; 12: helical spring; 13: square tube; 14: auxiliary tool; 15: support; 16: floor (bed ス ラ Block) is used framed plate; BM: reinforced concrete beam.
The specific embodiment
Below, embodiments of the present invention are elaborated by embodiment based on accompanying drawing.Wherein, Fig. 1 shows the vertical cross-section of assembled state of beam form frame unit 1 of the flute profile of one embodiment of the present of invention.It is rectangular reinforced concrete beam that beam form frame unit 1 in the present embodiment is used to form vertical cross-section, this beam form frame unit 1 comprises the framed plate group 4 of being with fife, the framed plate group 4 of this band fife will be adapted to flute profile to surround not shown reinforcing steel bar frame with fife pattern deckle board 4a～4c, described band fife pattern deckle board 4a～4c forms as described below: framed plate 2a and two framed plate 2b of sidepiece in the bottom, on these three framed plates of 2c external surface separately, dispose the many fifes 3 that form by for example square material along the long side direction of described framed plate 2a～2c is transversely arranged in the length range of framed plate 2a～2c, and described many fifes 3 nailings are fixed on framed plate 2a～2c, described reinforcing steel bar frame is by welding the beam shape that spiral bar (stirrup) is built into the rectangle cross section around as many main muscle of the major part of reinforced concrete beam.
In addition, beam form frame unit 1 in the present embodiment comprises the horizontal fastening frame 5 of a plurality of telescopic types, they form the コ word shape of opening separately up, a plurality of positions from two sides in the outside and below to the long side direction of the framed plate group 4 of the above-mentioned band fife that is assembled into flute profile position, and carry out from two sides fastening, thereby form the beam form frame of flute profile.
Promptly, interior pressure when preventing concrete pouring effectively expands the framed plate group 4 of above-mentioned band fife, described horizontal fastening frame 5 separates a plurality of positions of long side direction that predetermined space roughly is provided in the framed plate group 4 of band fife respectively, and from two sides and below this tripartite outside that surrounds the framed plate group 4 of band fife, and the beam form frame unit 1 in the present embodiment be characterized as the structure that above-mentioned horizontal fastening frame illustrates below 5.
This horizontal fastening frame 5 is three parts that band fife pattern deckle board 4a～4c is combined into flute profile and keeps this state that are used for the framed plate group 4 of band fife, shown in the exploded perspective view of Fig. 2, constitute the framework of the コ word shape of opening as shown in Figure 1 up by following parts: three tube connectors 6, comprise a horizontal tube connector 6a who is configured along the band fife pattern deckle board 4a of the bottom in the framed plate group 4 of band fife, and respectively along two sidepiece band fife pattern deckle board 4b in the framed plate group 4 of band fife, two vertical tube connector 6b that 4c is configured; The corner part of two L fonts is an elbow bend 7, and their two arms are chimeric with plug mode and above-mentioned vertical tube connector 6b and above-mentioned horizontal tube connector 6a freely respectively, and opposed mutually in the mode of each corner part of constituting this horizontal fastening frame 5.
This horizontal fastening frame 5 is fitted to the insert depth of the elbow bend 7 in each tube connector 6 by adjusting, promptly regulate the chimeric length of tube connector 6 and elbow bend 7, make on one side length can be with the dimension modifying of framed plate 2a～2c freely corresponding, thereby can use in the beam arbitrarily at for example 600 * 800mm, 750 * 1000mm, 900 * 1200mm etc. with the thickness of the reinforced concrete beam of construction.And, prepare a kind of construction that just can corresponding most reinforced concrete beam at least as tube connector 6 and elbow bend 7, be used for thicker Liang Zhongshi, it is promptly enough that tube connector 6 is replaced with longer tube connector.Therefore,, can reduce components number according to this horizontal fastening frame 5, easy thereby stock control becomes.
Beam form frame unit 1 with regard to present embodiment, in described horizontal fastening frame 5, the a pair of elbow bend 7 that constitutes each corner part and between described elbow bend 7 and can plug with the chimeric horizontal tube connector 6a of a side arm portion of described elbow bend 7 in, also embedding has straight line to run through the horizontal through rod 8a of described elbow bend 7 and horizontal tube connector 6a, in addition, the a pair of elbow bend 7 that constitutes each corner part and respectively can plug with two chimeric vertical tube connector 6b of the opposite side arm of described elbow bend 7 in, also embed the vertical through rod 8b that runs through this described elbow bend 7 and vertical tube connector 6b point-blank respectively in the mode that is embedded into the bent angle position along direction with horizontal through rod 8a quadrature, 8c, by described horizontal through rod 8a and two vertical through rod 8b, these three through rods 8 of 8c are assembled into one with elbow bend 7 and tube connector 6, wherein, as shown in Figure 1, each vertical through rod 8b, the upper end of 8c in advance in support 8d is weldingly fixed on the upper end of vertical tube connector 6b, each vertical through rod 8b thus, the bottom of 8c is outstanding from the bottom of vertical tube connector 6b.
In addition, arm by elbow bend 7 and tube connector 6 chimeric, these both connections of can stretching, and then by above-mentioned through rod 8 is run through between the arm of described elbow bend 7 and tube connector 6, thereby make this connection status stable, and by elbow bend 7 is fastened on the end of described through rod 8 with the clamp nut 10 that screws across pad 9, thereby can keep the flute profile assembled states of three band fife pattern deckle board 4a～4c.
And then, in the beam form frame unit 1 in the present embodiment, be penetrated with the pipe 11 that is used for the thick for example polyvinyl chloride system of restraint beam or the helical spring 12 (pipe 11 being shown) of steel at Fig. 1,3,4 in the upper end of the central portion of above-mentioned horizontal through rod 8a and above-mentioned vertical through rod 8b, described pipe 11 or helical spring 12 are positioned between the arm front end of mutual opposed elbow bend 7 in above-mentioned horizontal tube connector 6a, and make its in above-mentioned vertical tube connector 6b between the arm front end of support 8d and elbow bend 7, thereby framed width of restraint beam and height.Thereby the length of described pipe 11 or helical spring 12 is corresponding with the thickness (width and height) of the reinforced concrete beam of constructing.Yet, described pipe 11 and helical spring 12 are not that the present invention is necessary, for example also can replace them, and the sign that indicates with the restraint location of the corresponding clamp nut 10 of thickness of the reinforced concrete beam of construction is set in the end of each through rod 8, and till when the framed unit 1 of Web beam, clamp nut 10 being fastened to the position of this sign.
In addition, in the beam form frame unit 1 in the present embodiment, tube connector 6 and elbow bend 7 are made of the pipe of square tube shape, yet the present invention is not limited to this, also can be made of pipe cylindraceous.In addition, elbow bend 7 also can be can't help pipe and is made of light metal solid materials such as aluminium alloyss.But, be the right angle because this elbow bend 7 is used to keep each corner part of horizontal fastening frame 5, therefore must have 90 ° angle of bend exactly.For this reason, the horizontal fastening frame 5 in the present embodiment can form shape and have the framework of the コ word shape of 90 ° of corner parts accurately always.
In addition, as shown in Figure 2, in the corner part of each elbow bend 7, be provided with and be used to a pair of through hole 7a, 7b that horizontal through rod 8a and vertical through rod 8b, 8c are run through with mutually orthogonal direction in the bent angle position.As shown in Figure 1, clamp nut 10 is screwed on the end that is provided with screw thread of horizontal through rod 8a outstanding from described through hole 7a, 7b and vertical through rod 8b, 8c, can keep the final assembling morphology of the horizontal fastening frame 5 of the fixing this コ of being assembled into word shape thus, and, can keep the final assembling morphology of the framed plate group 4 of the fixing this band fife that is assembled into flute profile.
Then, the number of assembling steps to the beam form frame unit 1 in the present embodiment describes.At first, in preparatory process, many fifes 3 are configured in mutual horizontal mode side by side, the difference mounting framed plate 2a in bottom and these three framed plates 2 and fastening of two the framed plate 2b of sidepiece, 2c on described fife 3 with screw, impose plating at described screw fastening part, thereby form the framed plate group 4 of the band fife that these three bands of band fife pattern deckle board 4b, the 4c fife pattern deckle board 4a～4c by the band fife pattern deckle board 4a of bottom and both sides constitutes.In addition, between fife 3 and square tube 13 and the above-mentioned many horizontal tube connector 6a, and between fife 3 and above-mentioned many vertical tube connector 6b, the 6c, be that the frictional force of the fastening generation by clamp nut 10 is fixed, even it is also passable therefore not use standing finish etc. to fix.
Then, in processing with on the spot in the assembling procedure, roughly equally spaced horizontal mutually and many horizontal tube connector 6a of row arrangement with the direction parallel with the long side direction of beam form frame unit 1, described many horizontal tube connector 6a have pipe 11 or helical spring 12 in internal configurations separately, and at described many horizontal tube connector 6a both ends separately respectively with pluggable mode embed be connected with two elbow bends 7 along a horizontally extending side arm portion, then, the opposite side arm that vertically erects of described elbow bend 7 embedded in pluggable mode with pipe 11 or helical spring 12 be connected to many vertical tube connector 6b, 6c bottom separately, the operation of assembling the horizontal fastening frame 5 of the コ word shape of opening thus up.In this assembling operation, for assembling operation is carried out swimmingly, preferably will manage 11 or helical spring 12 be temporarily fixed at the front end along the vertical arm that erects of the front end of horizontal-extending one side arm portion and two elbow bends 7 of two elbow bends 7 respectively in advance.In addition, in the upper end of each vertical tube connector 6b, 6c, be welded with vertical through rod 8b, the 8c that runs through in each vertical tube connector 6b, 6c across support 8d in advance, thus, the bottom of vertical through rod 8b, 8c is outstanding from the bottom of each vertical tube connector 6b, 6c, therefore described vertical through rod 8b, 8c run through in the opposite side arm that vertically erects of elbow bend 7 as shown in Figure 1, and its bottom is outstanding from the above-mentioned through hole 7b of elbow bend 7.
Then, in this operation, make the band fife pattern deckle board 4b of both sides, 4c erects down on its long limit, and the framed plate 2b of both sides, under the outstanding laterally state of the inboard towards each other opposed and fife 3 of 2c, be positioned on the above-mentioned horizontal many horizontal tube connector 6a side by side, and from vertical tube connector 6b, the inboard of 6c erects and is overlapped on vertical tube connector 6b, on the 6c, and, preferably on the central portion of described many horizontal tube connectors 6, as depicted in figs. 1 and 2, the reinforcement square tube 13 that the cross-over connection mounting is highly identical with fife 3, then, with the band fife pattern deckle board 4a of bottom under the side-prominent downwards states of fife 3, the band fife pattern deckle board 4b that is embedded into both sides, between the 4c, and be positioned on the above-mentioned horizontal many horizontal tube connector 6a side by side.So, three band fife pattern deckle board 4a, 4b, 4c are assembled into each corner part and form the flute profile at right angle accurately.
Then, in this operation, in each elbow bend 7 that is assembled into コ word shape and horizontal tube connector 6a, be inserted with horizontal through rod 8a via above-mentioned through hole 7a in the mode that in horizontal tube connector 6a, runs through pipe 11 or helical spring 12, then, the bottom of the both ends of horizontal through rod 8a and vertical through rod 8b, 8c screws togather across pad 9 respectively and is fastened with clamp nut 10, thereby finishes the assembling of beam form frame unit 1.
The beam form frame unit 1 that assembles is for example on the long side direction of the framed plate group 4 of being with fife, length 4540mm with respect to beam, having 4～5 with the arranged spaced of 450～1200mm, to have by length be the horizontal fastening frame 5 of the tube connector 6 that constitutes of the square tube of 90mm, the band fife pattern deckle board 4a of bottom and band fife pattern deckle board 4b, the 4c of both sides are positioned, and band fife pattern deckle board 4b, the 4c of fastening both sides.Wherein, an edge lengths for example working as the band fife pattern deckle board 4a of bottom is under the situation of 600～900mm, the length of horizontal tube connector 6a is about 800mm, band fife pattern deckle board 4b when both sides, the length on the limit of 4c is under the situation of 900～1300mm, vertical tube connector 6b, the length of 6c is about 900mm, and make the length (comprising corner part) of the arm of elbow bend 7 vertically be about 800mm, laterally be about about 500mm, each arm of elbow bend 7 and the chimeric length of tube connector 6 are about more than 2/3 each arm length of elbow bend 7, and the intensity to horizontal fastening frame 5 is favourable like this.
Then, the job practices to the cast-in-situ reinforced concrete beam of the band floor of one embodiment of the present of invention describes.In the construction site, at first, weld on every side and fixing stirrup at the many main muscle (reinforcing bar) of an intercolumniation at crossbearer, thereby make up the reinforcing steel bar frame of main spar shape in the mode that forms horizontal cuboid.And, be independent of this operation, carry out the assembling operation of beam form frame unit 1 of the foregoing description in factory or building site and standby.
Then, with crane or fork truck etc. sling in the beam form frame unit 1 that assembles, make its former state unchangeably from above-mentioned reinforcing steel bar frame below rise and with this reinforcing steel bar frame chimeric after, as shown in Figure 1, thereby for example carry out the construction (reinforcing steel bar frame is not shown) of beam form frame from the corner part of each elbow bend 7 of each horizontal fastening frame 5 of supported underneath by common jack column 15, and preferred vertical tube connector 6b at each horizontal fastening frame 5, the auxiliary tool 14 of the rectangular thick plate shape that the chimeric setting in the upper end of 6c is formed by for example square material, then, carry out of the construction of common floor, this floor is connected on above-mentioned each auxiliary tool 14 in modes such as nailings with framed plate 16 with framed plate 16.In addition, floor also can be assembled not shown fife etc. in the building site with framed plate 16 and strengthens, and also can assemble fife etc. in advance and the floor after the modularization is transported to the building site with framed plate 16 in factory, and be configured to the precalculated position.
Then, as shown in Figure 3, in this beam form frame unit 1 and floor with framed plate 16 on fluid concrete C.When this concrete of cast C, according to the job practices in the present embodiment, the upper end of vertical tube connector 6b, the 6c of each horizontal fastening frame 5 be connected and be fixed on via auxiliary tool 14 floor with framed plate 16 on, can prevent from more reliably therefore that pressure because of concrete C from making between the upper end of vertical tube connector 6b, 6c of each horizontal fastening frame 5 to open.
Then, the concrete C sclerosis that cast is good, after forming the reinforced concrete beam BM of band floor, as shown in Figure 4, at first, after shortening support 15, the pressure pushing that the band fife pattern deckle board 4a of bottom is subjected to concrete C separates from the surface of concrete C shown in arrow A among the figure, beam form frame unit 1 integral body descends because of deadweight, and auxiliary tool 14 is from the vertical tube connector 6b of each horizontal fastening frame 5, the upper end of 6c breaks away from, then, and after the clamp nut 10 at both ends that is installed in the horizontal through rod 8a of each horizontal fastening frame 5 unclamped, the band fife pattern deckle board 4b of both sides, 4c under the pushing of the pressure of concrete C shown in arrow B among the figure from the surface isolation of concrete C, then, further shorten support 14, make the 1 whole further decline of beam form frame unit, thus, the reinforced concrete beam BM demoulding from beam form frame unit 1 easily.
Thereby according to the job practices of the cast-in-situ reinforced concrete beam in the present embodiment, beam form frame unit 1 is extremely easy to setting of reinforcing steel bar frame, and does not need to set eliminator 4 at least, aspect the reduction of erection time obvious effects is arranged.
More than be illustrated based on illustrative example, yet the present invention is not limited to above-mentioned example, can in the record scope of claim, suitably change, for example, the radical of fife 3 and square tube 13 and configuration, and whether fix and suitably to change as required with respect to framed plate 2a～2c or tube connector 6, for example under the situation that tube connector 6 and elbow bend 7 constitute with pipe, also can be in order to prevent that elbow bend 7 is in horizontal tube connector 6a inward turning then make vertical tube connector 6b, 6c topples over, to indulge tube connector 6b by common standing finish, 6c is fixed to the band fife pattern deckle board 4b of both sides, on the fife 3 of 4c, or for square tube 13 is fixed to square tube 13 at non-migration on the horizontal tube connector 6a and by common standing finish on the band fife pattern deckle board 4a of bottom.
Utilizability on the industry
According to the beam form frame unit of the invention described above, (assembling the is fixing) operation that can realize promptly that the structure of beam form frame is set up, and can just get exactly (cut-off angle, get vertical and level), and firm beam form frame can be provided. And then, owing to can be independent of the reinforcing steel bar frame group muscle operation of carrying out in the building site, locate to carry out the assembling operation of beam form frame in factory etc. in advance, so can reduce site operation, be expected to the reduction of erection time.
In addition, according to horizontal fastening frame of the present invention, can easily at random be applied in any of the different multiple reinforced beam of thickness, therefore need not to prepare multiple horizontal fastening frame, it is enough only preparing a kind of, thus can reduce the stock control of parts, also favourable aspect cost.
And then, according to horizontal fastening frame of the present invention, because up the コ word shape of being combined to form by tube connector and elbow bend, therefore the telescoping part of tube connector and elbow bend is not to be positioned at corner part but to be positioned at horizontal part and vertical component effect (centre of framed plate), therefore can just get exactly, particularly cut-off angle exactly, and the structure operation of beam form frame becomes easily and need not skilled.
And, construction method according to cast-in-situ reinforced beams of concrete of the present invention, owing in beam form frame unit, separator is not installed, so beam form frame setting only by beam form frame unit being risen with respect to reinforcing steel bar frame and making up and carry out to reinforcing steel bar frame, therefore can finish this operation in the short time, be conducive to the reduction of erection time, and also be favourable aspect cost.
In addition, the present invention is the technology that is applied to effective beam form frame unit and horizontal fastening frame when the construction of the reinforced beam that carries out the direction such as building, certainly also can be applied in the construction of civil construction thing etc.
Claims (10)
1. beam form frame unit, this beam form frame unit is used to make up reinforced concrete beam, it is characterized in that,
This beam form frame unit comprises:
The framed plate group of band fife, the framed plate group of this band fife are at transversely arranged and fixing many fifes on three framed plates external surface separately and in the length range at its long side direction and these framed plates are combined into flute profile constitute; With
The horizontal fastening frame of a plurality of telescopic types, they form the コ word shape of opening separately up, a plurality of positions of the long side direction of the framed plate group of described band fife are positioned and fastening and form the beam form frame from two sides,
Described horizontal fastening frame comprises:
Three tube connectors, these three tube connectors comprise a horizontal tube connector and two vertical tube connectors, a described horizontal tube connector is configured along the framed plate in bottom in the framed plate group of described band fife, and described two vertical tube connectors are configured along the framed plate in both sides in the framed plate group of described band fife respectively;
Two elbow bends, their both ends are chimeric with plug mode and described vertical tube connector and described horizontal tube connector freely respectively, and opposed mutually in the mode of each corner part of constituting described horizontal fastening frame;
Three through rods, these three through rods comprise two vertical through rods and a horizontal through rod, these two vertical through rods connect each described elbow bend and the described vertical tube connector chimeric with described elbow bend respectively, and a described horizontal through rod connects described two elbow bends and the described horizontal tube connector chimeric with described elbow bend; With
Be installed in the clamp nut on the described through rod, and,
Described horizontal fastening frame constitutes: can change the restraint location of described clamp nut according to the size of described beam form frame, thereby the chimeric length of described elbow bend and described tube connector is adjusted.
2. beam form frame according to claim 1 unit is characterized in that,
The described tube connector and the described elbow bend of described horizontal fastening frame are made of box section or round tube.
3. beam form frame according to claim 1 unit is characterized in that,
Chimericly in described tube connector be inserted with deck-siding restriction with pipe or helical spring, described beam width restriction with manage or opposed end in this tube connector that helical spring is folded in described elbow bend each other.
4. beam form frame according to claim 1 unit is characterized in that,
Described elbow bend has the described vertical through rod that sets with through hole and described horizontal through rod through hole on mutually orthogonal direction at its corner part.
5. horizontal fastening frame in beam form frame unit, it is the horizontal fastening frame of telescopic type that forms the コ word shape of opening up, a plurality of positions of long side direction of the framed plate group of band fife are positioned respectively and fastening and form the beam form frame from two sides, the framed plate group of described band fife is at transversely arranged and fixing many fifes on three framed plates external surface separately and in the length range at its long side direction and these framed plates are combined into flute profile constitute
This beam form frame unit comprises with horizontal fastening frame:
Three tube connectors, these three tube connectors comprise a horizontal tube connector and two vertical tube connectors, a described horizontal tube connector is configured along the framed plate in bottom in the framed plate group of described band fife, and described two vertical tube connectors are configured along the framed plate in both sides in the framed plate group of described band fife respectively;
Two elbow bends, their both ends are chimeric with plug mode and described vertical tube connector and described horizontal tube connector freely respectively, and opposed mutually in the mode of each corner part of constituting described horizontal fastening frame;
Three through rods, these three through rods comprise two vertical through rods and a horizontal through rod, these two vertical through rods connect each described elbow bend and the described vertical tube connector chimeric with described elbow bend respectively, and a described horizontal through rod connects described two elbow bends and the described horizontal tube connector chimeric with described elbow bend; With
Be installed in the clamp nut on the described through rod, and,
Described horizontal fastening frame constitutes: can change the restraint location of described clamp nut according to the size of described beam form frame, thereby the chimeric length of described elbow bend and described tube connector is adjusted.
6. the horizontal fastening frame in beam form frame according to claim 5 unit is characterized in that,
The described tube connector and the described elbow bend of described horizontal fastening frame are made of box section or round tube.
7. beam form frame according to claim 5 unit is characterized in that with horizontal fastening framework,
Chimericly in described tube connector be inserted with beam width restriction with pipe or helical spring, described beam width restriction with manage or opposed end in this tube connector that helical spring is folded in described elbow bend each other.
8. beam form frame according to claim 5 unit is characterized in that with horizontal fastening framework,
Described elbow bend has the described vertical through rod that sets with through hole and described horizontal through rod through hole on mutually orthogonal direction at its corner part.
9. the job practices of a cast-in-situ reinforced concrete beam, this method makes up reinforced concrete beam to the inside of this beam form frame fluid concrete after around the reinforcing steel bar frame beam form frame being set, it is characterized in that,
At first; Assemble in advance beam form frame unit; This beam form frame unit comprises with the framed plate group of fife and forms separately the horizontal fastening frame of a plurality of concertina types of the コ word shape of opening up; This with the framed plate group of fife at transversely arranged and fixing many fifes on three framed plates outer surface separately and in the length range at its long side direction and these framed plates are combined into flute profile consist of; The horizontal fastening frame of described a plurality of concertina type positions a plurality of positions of the long side direction of described framed plate group with fife and is fastening and form the beam form frame from two sides
This beam form frame unit former state that assembles is risen unchangeably and be combined on the described reinforcing steel bar frame, thus described beam form frame is set on the described reinforcing steel bar frame from the below.
10. the job practices of cast-in-situ reinforced concrete beam according to claim 9 is characterized in that,
The fastening framework of described horizontal stroke comprises:
Three tube connectors, these three tube connectors comprise a horizontal tube connector and two vertical tube connectors, a described horizontal tube connector is configured along the framed plate in bottom in the framed plate group of described band fife, and described two vertical tube connectors are configured along the framed plate in both sides in the framed plate group of described band fife respectively;
Two elbow bends, their both ends are chimeric with plug mode and described vertical tube connector and described horizontal tube connector freely respectively, and opposed mutually in the mode of each corner part of constituting described horizontal fastening frame;
Three through rods, these three through rods comprise two vertical through rods and a horizontal through rod, these two vertical through rods connect each described elbow bend and the described vertical tube connector chimeric with described elbow bend respectively, and a described horizontal through rod connects described two elbow bends and the described horizontal tube connector chimeric with described elbow bend; With
Be installed in the clamp nut on the described through rod, and
Described horizontal fastening frame constitutes: can change the restraint location of described clamp nut according to the size of described beam form frame, thereby the chimeric length of described elbow bend and described tube connector is adjusted.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009-135886 | 2009-06-05 | ||
| JP2009135886A JP4392462B1 (en) | 2009-06-05 | 2009-06-05 | Construction method of beam form unit, lateral fastening frame for beam form unit and cast-in-place reinforced concrete beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101906873A true CN101906873A (en) | 2010-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101709550A Pending CN101906873A (en) | 2009-06-05 | 2009-08-27 | Column form unit, transversal fastening frame and construction method for cast-in-situ reinforced concrete column |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4392462B1 (en) |
| CN (1) | CN101906873A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109853390A (en) * | 2019-01-14 | 2019-06-07 | 苏州交通工程集团有限公司 | High pier stud second pouring template and its joining method |
| CN109779291A (en) * | 2019-01-23 | 2019-05-21 | 中国十七冶集团有限公司 | A kind of girder with rolled steel section en cased in concrete bottom template reinforcing device and method |
| CN110541520B (en) * | 2019-09-02 | 2021-06-01 | 威海建设集团股份有限公司 | Construction method of horizontal component of secondary structure of building engineering wall |
| CN114033166B (en) * | 2021-10-13 | 2024-09-13 | 中国建筑第七工程局有限公司 | Water room is with anti-bank anchor clamps and appurtenance |
| CN115370137A (en) * | 2022-09-01 | 2022-11-22 | 中建四局第五建筑工程有限公司 | Cast-in-place concrete haunched beam (plate) template mounting and reinforcing device and construction method |
| CN115992592B (en) * | 2023-02-16 | 2024-03-05 | 江苏镇淮建设集团有限公司 | Platform beam assembly type positioning sleeve frame system and application method thereof |
-
2009
- 2009-06-05 JP JP2009135886A patent/JP4392462B1/en not_active Expired - Fee Related
- 2009-08-27 CN CN2009101709550A patent/CN101906873A/en active Pending
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| Publication number | Publication date |
|---|---|
| JP4392462B1 (en) | 2010-01-06 |
| JP2010281119A (en) | 2010-12-16 |
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