CN101949212B - Slabform detachable support system and construction method thereof - Google Patents
Slabform detachable support system and construction method thereof Download PDFInfo
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- CN101949212B CN101949212B CN2010102989763A CN201010298976A CN101949212B CN 101949212 B CN101949212 B CN 101949212B CN 2010102989763 A CN2010102989763 A CN 2010102989763A CN 201010298976 A CN201010298976 A CN 201010298976A CN 101949212 B CN101949212 B CN 101949212B
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Abstract
The invention discloses a slabform detachable support system and a construction method thereof and is designed for solving problems of the prior at that the processes are complex and the construction period is long. Floor steel beams of the existing steel framed structure are fully utilized, a series of temporary rod pieces such as main joists, minor joists, timber formworks and the like are arranged in sequence on web plates of the floor steel beams and fixed by fastening pieces or bolts to form a complete load-carrying system to support concrete pouring and construction of the floorslabs. The support system has the advantages of convenient and fast construction, short construction period, good reutilization, economy and safety, integral installation, integral dismounting and the like, and changes the characteristics of the traditional load-bearing scaffold support system that the construction processes are complex, the construction period is long and the cost is high. In addition, the support system can be designed into a standardized product to be promoted, thus enjoying substantial marketable value; moreover, the system can improve construction efficiency, reduce comprehensive construction cost and is applicable to various public buildings of which the floor beam is a in steel-beam structure, such as hotels and guesthouses, superstores, schools and the like.
Description
Technical field
The present invention relates to a kind of slab form support system and job practices thereof, be particularly useful for the public building that floor beam is a girder steel, hotel, megastore, hospital, structural systems such as school.
Background technology
Existing building structure floor formwork bracing system has two kinds of forms: one of which, the template when adopting with the high profiled sheet of certain rib as fluid concrete.The strength and stiffness of profiled sheet self are all bigger, not only can be used as template but also can form composite floor with concrete; But this form floor has following defective: 1. gross thickness increases, the building interior net storey height reduces; The underfloor surface irregularity, increase anticorrosion and refractory technology measure cost; 3. two-way slab reinforcement placement constructional difficulties, the reinforcing bar binding amount is many and loaded down with trivial details, rebar spacing and thickness of concrete cover be because of the bad control of human factor; 4. cost is more high many-sided not enough.Its two, set up template, directly, be widely used at present in the floor form of the common cast-in-situ concrete in girder steel upper berth.But common cast-in-place concrete floor need be done full hall scaffold supporting template, and speed of application is slow, and is long in time limit, and the operation more complicated is set up the scaffold expense than higher.
Summary of the invention
In order to overcome above-mentioned defective, the floor movable die plate support system that the object of the present invention is to provide a kind of duration weak point, construction is rapid, operation is simple, can reuse.
In order to achieve the above object; Floor movable die plate support system of the present invention; Comprise main joist that two ends are connected with steel work flooring girder steel respectively and with said main joist secondary joist arranged in a crossed manner in length and breadth; Being connected be between said main joist and flooring girder steel and the secondary joist removably connects, and said flooring girder steel is H shaped steel, T-steel or box steel.
Particularly, said flooring girder steel is a H shaped steel, on said H shaped steel web, junction plate is set, and the strength plate is set on said main joist is connected with said junction plate through bolt.
Wherein, correspondence is provided with bolt hole on said junction plate and the strength plate, and said bolt is located in the bolt hole, and the bolt hole that is arranged on junction plate and/or strength plate is oval bolt hole.
Further, described main joist is provided with the U-shaped draw-in groove, and said secondary joist is arranged in the said U-shaped draw-in groove.
Particularly; Be connected through fine tuning structure between said secondary joist end and the main joist; Described fine tuning structure comprises that the angle steel below being arranged on two risers of main joist side at interval and being arranged between two risers or the welding setting of intersecting are the steel plate of horn shape; Said angle steel or welding angle steel plat simultaneously are arranged on the main joist side, and another side suspends and said two risers form a shaped as frame space, and the face of suspending of said angle steel is provided with securing member; Said securing member top is provided with the top board that is positioned at the shaped as frame space, and said secondary joist bottom surface places on this top board and between two risers, moving up and down under the effect of securing member.
Wherein, described main joist is spaced setting along said steel work width, and said secondary joist is provided with along said steel work length direction at interval, and described main joist is solid web girder or truss.
Further, said secondary joist is connected with the node of said truss, and described truss is that T-steel truss or upper and lower chord member are that T-steel, web member are the truss of pipe fitting; The node of said full T-steel truss is welded by a chord member and first web member and second web member, forms angle between described chord member and described two web members and between described two web members; The structure of described first web member and second web member is: the web of said web member one end is removed; The corresponding position that is removed web is provided with inserting groove on the frange plate of said web member; Web end behind this inserting groove bottom and the removal part web is a supporting plane, and the formed angle of center line on this supporting plane and the web member length direction is suitable with the angle between this web member and the chord member; This supporting plane is suitable to the web height of the vertical distance of inserting groove upper end and said node place chord member: the web thickness of the width of described inserting groove and said node place chord member is suitable; The inserting groove of described two web members upper end is inserted to chord member frange plate below or is inserted to the chord member frange plate from the web lower direction of chord member respectively and offsets; On the web of said chord member, be provided with stiffener perpendicular to web; The upper end of the frange plate of the frange plate of described first web member and second web member is connected on the stiffener; Also comprise the 3rd web member; The structure of said the 3rd web member is: the web of said web member one end is removed; The corresponding position that is removed web is provided with inserting groove on the frange plate of said web member; Web end behind this inserting groove bottom and the removal part web is a supporting plane, and this supporting plane is vertical with web member; This supporting plane is suitable with the web height of said node place chord member to the distance of inserting groove upper end: the web thickness of the width of described inserting groove and said node place chord member is suitable; The inserting groove of described the 3rd web member upper end is inserted to chord member frange plate below from the web lower direction of chord member respectively and offsets with the chord member frange plate; The upper end of the frange plate of the frange plate of described first web member and second web member is connected to the frange plate both sides of the 3rd web ends; Said upper and lower chord member is that T-steel, web member are that the node of the truss of pipe fitting is welded by a chord member and the 4th web member and the 5th web member; Form angle between described chord member and described two web members and between described two web members; Wherein, Described chord member is T-steel or subdivision T-steel; The structure of described the 4th web member and the 5th web member is: said web member is made up of steel pipe and the junction plate that is located at steel tube end part, is provided with inserting groove at the front end of junction plate, and the web width of the width of described inserting groove and said node place chord member is suitable; The inserting groove of described junction plate upper end is inserted to chord member frange plate below or is inserted to frange plate from the web lower direction of chord member respectively and offsets; On the web of said chord member, be provided with the strength plate perpendicular to web; The junction plate upper end of the junction plate of described the 4th web member and the 5th web member is connected on the strength plate; Also comprise the 6th web member, the structure of said the 6th web member is: said web member is made up of steel pipe and the junction plate that is located at steel tube end part, is provided with inserting groove at the front end of junction plate, and the web width of the width of described inserting groove and said node place chord member is suitable; The inserting groove of described junction plate upper end is inserted to chord member frange plate below or is inserted to frange plate from the web lower direction of chord member respectively and offsets; The junction plate of described the 4th web member and the 5th web member is connected to the junction plate both sides of the 6th web member; The connected mode of described steel pipe and junction plate is: vertically be provided with inserting groove at described steel tube end part, and integrally welded in the inserting groove of described junction plate insertion steel tube end part; Junction plate both sides at steel tube end part are welded with seal cover board.
In order to overcome above-mentioned defective, the object of the present invention is to provide short, construct rapid, the simple floor movable die plate of operation support system job practices of a kind of duration.
In order to achieve the above object, the job practices of floor movable die plate support system of the present invention may further comprise the steps:
(1) installation site of a plurality of correspondences is set at interval on the relative two flooring girder steels of steel work width, said flooring girder steel is H shaped steel, T-steel or box-shaped steel;
(2) main joist two ends and two flooring girder steels are removably connected to the installation site with slide fastener or the additive method main joist of slinging successively;
(3) with secondary joist arranged in a crossed manner respectively on main joist and with its releasable connection or at least two ends and main joist removably connect, coarse adjustment secondary joist end and main joist installation site make secondary joist be raised to correct position;
(4) at main joist and secondary joist upper berth wooden form, accurate adjustment secondary joist end and main joist installation site make wooden form reach the exact position;
(5) fluid concrete, waits for that intensity reaches at 75% o'clock and prepares to remove wooden form at the curing requirements time;
(6) the dismounting sequencing is: link, removal secondary joist, dismounting main joist and the wooden form of transferring loose secondary joist and main joist.
Step (1) comprising:
(11) said flooring girder steel is a H shaped steel, and junction plate is set on said H shaped steel web at interval;
(12) the strength plate is set on said main joist, the installation site correspondence is provided with bolt hole on said junction plate and the strength plate, and the bolt hole that is arranged on junction plate and/or strength plate is oval bolt hole;
(13) be positioned at the secondary joist end fine tuning structure that some correspondences are set on the main joist opposed inside face of both sides at interval; Described fine tuning structure comprises the angle steel that is arranged on two risers of main joist medial surface at interval and is arranged on below between two risers; Said angle steel simultaneously is arranged on the main joist medial surface; Another side suspends and said two risers form a shaped as frame space, and the face of suspending of said angle steel is provided with securing member, and said securing member top is provided with the top board that is positioned at the shaped as frame space; Main joist bottom surface between the both sides corresponding said fine tuning structure that makes progress is provided with the plurality of U-shaped draw-in groove;
Step (2) comprising:
(21) sling main joist to the installation site with slide fastener or additive method successively, make the bolt hole of main joist strength plate corresponding with the bolt hole position of said junction plate;
(22) bolt is located in the said bolt hole;
Step (3) comprising:
(31) the secondary joist correspondence is arranged in the U-shaped draw-in groove of adjacent main joist in twos, the secondary joist both ends are arranged on respectively between two risers of the corresponding fine tuning structure of main joist medial surface, and the bottom places on the top board of securing member;
(32) fastening bolt is fixed on main joist the installation site of flooring girder steel;
(33) the coarse adjustment securing member moves up and down to correct position the secondary joist that places on the top board between two risers;
Step (4) comprising:
(41) at main joist and secondary joist upper berth wooden form;
(42) the accurate adjustment securing member moves up and down the relative main joist of wooden form to reach exact position and fastening fixture to make secondary joist be fixed on the installation site of main joist;
Step (6) comprising:
(61) transfer the degree of tightness firmware to make secondary joist reach the state of not stressing;
(62) dismounting secondary joist;
(63) remove main joist and wooden form.
Described main joist is solid web girder or truss, and said secondary joist is connected with the node of said truss, and described truss is that T-steel truss or upper and lower chord member are that T-steel, web member are the truss of pipe fitting.
Above-mentioned support system and job practices thereof; Making full use of existing agent structure girder steel supports as slab form; Through on the flooring girder steel, setting gradually main joist, secondary joist and wooden form; Utilize securing member or bolt to regulate and fix, form a complete stress system, play the effect of supporting floorslab concrete pouring and construction with this.In general, the agent structure girder steel designs by the flooring girder steel, and the strength and stiffness of himself are all bigger, and under floor deadweight and working load effect, the strength and stiffness of girder steel can satisfy designing requirement fully.So, when carrying out the floor cast, can make full use of the supporting capacity of girder steel; Through rational layout primary and secondary skeletal frame; The load that produces the cast floor comprises deadweight and working load, passes to the flooring girder steel through primary and secondary skeletal frame, lets girder steel bear this fractional load.Owing to the existence of main joist, shorten the outer calculated length of face of girder steel simultaneously, strengthened the supporting capacity of girder steel; During dismounting, can be with secondary joist to removing from the main joist below, main joist continues support shuttering and floor; Remove main joist when treating concrete setting to predetermined hardness that requires and intensity, like this, the secondary joist of removing earlier can get in the next round floor slab construction; The main joist of removing also can recycle, reduces the construction period greatly, simplifies working procedure.
Description of drawings
Fig. 1 is the main TV structure sketch map of floor movable die plate support system specific embodiment of the present invention.
Fig. 2 be among Fig. 1 along A-A to structural representation.
Fig. 3 be among Fig. 1 along B-B to structural representation.
The main TV structure sketch map of the specific embodiment of fine tuning structure among Fig. 4 the present invention.
Fig. 5 be among Fig. 4 along C-C to structural representation.
Fig. 6 is master, secondary joist and wooden form syndeton sketch map among the present invention.
Fig. 7 is the syndeton sketch map between main joist among the present invention and the flooring girder steel.
Fig. 8 is along D-D direction structure sketch map among Fig. 7.
Fig. 9 is the structural representation of quarter bend truss for main joist among the present invention.
Figure 10 be among Fig. 9 local along F-F to the sectional structure sketch map.
Figure 11 is the syndeton sketch map between truss among the present invention and the flooring girder steel.
Figure 12 is the left TV structure sketch map of Figure 11.
Figure 13 is the structural representation of first specific embodiment of full T-steel panel point for main joist.
Figure 14 is the structural representation of second specific embodiment of full T-steel panel point for main joist.
Figure 15 is that upper and lower chord member is that T-steel, web member are the structural representation of first specific embodiment of the panel point of pipe fitting for main joist.
Figure 16 is the left TV structure sketch map of Figure 15.
Figure 17 is that upper and lower chord member is that T-steel, web member are the structural representation of second specific embodiment of the panel point of pipe fitting for main joist.
Figure 18 is the left TV structure sketch map of Figure 17.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment to further explain of the present invention.
Shown in Fig. 1-18; Floor movable die plate support system of the present invention; Comprise main joist 2 that two ends are connected with steel work flooring girder steel 1 respectively and with said main joist secondary joist 3 arranged in a crossed manner in length and breadth; Being connected be between said main joist and flooring girder steel and the secondary joist removably connects, and said flooring girder steel is H shaped steel, T-steel or box-shaped steel.Illustrating said flooring girder steel is H shaped steel, on said H shaped steel web, junction plate 13 is set, and strength plate 21 is set on said main joist is connected with said junction plate through bolt 20.Wherein, Correspondence is provided with bolt hole on said junction plate and the strength plate; Said bolt is located in the bolt hole, and the bolt hole that is arranged on junction plate and/or strength plate is oval bolt hole, establishes oval bolt hole 22 on the diagram strength plate; Establish circular bolt holes 14 on the junction plate, be convenient to adjust the position of said main joist in flooring girder steel span direction.Further, described main joist is provided with the U-shaped draw-in groove, and said secondary joist is arranged in the said U-shaped draw-in groove 31.Be connected through fine tuning structure 4 between said secondary joist end and the main joist; Described fine tuning structure comprises the angle steel 42 that is arranged on two risers 41 of main joist side at interval and is arranged on below between two risers; Said angle steel simultaneously is arranged on the main joist side; Another side suspends and said two risers form a shaped as frame space, and the face of suspending of said angle steel is provided with securing member 43, and said securing member comprises to be regulated bolt and regulating the top board that is positioned at the shaped as frame space 44 that the bolt top is provided with; The silk hole that cooperates with the adjusting bolt is set on the suspension board of angle steel 42 (establishes a hole on the suspension board of diagram angle steel; With the adjusting bolt of securing member for being threaded) or unthreaded hole is set and (be preferably in the below, practice thrift and regulate the space) welding and said adjusting bolt nut engaged above or below the unthreaded hole, like this; Through the rotation adjusting bolt can make the secondary joist 3 that is supported on the top board between two risers, move up and down in the bottom, play corrective action.
Wherein, described main joist is spaced setting along said steel work width (being the span direction), and said secondary joist is provided with along said steel work length direction at interval, and described main joist is solid web girder or truss.
Further, shown in Fig. 9-12, described truss is that T-steel truss or upper and lower chord member are that T-steel, web member are the truss of pipe fitting, and said secondary joist 2 is connected with the node of said truss.
Be depicted as two kinds of specific embodiments of the node of said full T-steel truss like Figure 13,14; This node is welded by a chord member and first web member and second web member, forms angle between described chord member and described two web members and between described two web members; The structure of described first web member and second web member is: the web of said web member one end is removed; The corresponding position that is removed web is provided with inserting groove on the frange plate of said web member; Web end behind this inserting groove bottom and the removal part web is a supporting plane, and the formed angle of center line on this supporting plane and the web member length direction is suitable with the angle between this web member and the chord member; This supporting plane is suitable to the web height of the vertical distance of inserting groove upper end and said node place chord member: the web thickness of the width of described inserting groove and said node place chord member is suitable; The inserting groove of described two web members upper end is inserted to chord member frange plate below or is inserted to the chord member frange plate from the web lower direction of chord member respectively and offsets; On the web of said chord member, be provided with stiffener perpendicular to web; The upper end of the frange plate of the frange plate of described first web member and second web member is connected on the stiffener; Also comprise the 3rd web member; The structure of said the 3rd web member is: the web of said web member one end is removed; The corresponding position that is removed web is provided with inserting groove on the frange plate of said web member; Web end behind this inserting groove bottom and the removal part web is a supporting plane, and this supporting plane is vertical with web member; This supporting plane is suitable with the web height of said node place chord member to the distance of inserting groove upper end: the web thickness of the width of described inserting groove and said node place chord member is suitable; The inserting groove of described the 3rd web member upper end is inserted to chord member frange plate below from the web lower direction of chord member respectively and offsets with the chord member frange plate; The upper end of the frange plate of the frange plate of described first web member and second web member is connected to the frange plate both sides of the 3rd web ends.
Being depicted as said upper and lower chord member like Figure 15,16,17,18 is that T-steel, web member are the node specific embodiment of the truss of pipe fitting; This node is welded by a chord member and the 4th web member and the 5th web member; Form angle between described chord member and described two web members and between described two web members; Wherein, described chord member is T-steel or subdivision T-steel, and the structure of described the 4th web member and the 5th web member is: said web member is made up of steel pipe and the junction plate that is located at steel tube end part; Front end at junction plate is provided with inserting groove, and the web width of the width of described inserting groove and said node place chord member is suitable; The inserting groove of described junction plate upper end is inserted to chord member frange plate below or is inserted to frange plate from the web lower direction of chord member respectively and offsets; On the web of said chord member, be provided with the strength plate perpendicular to web; The junction plate upper end of the junction plate of described the 4th web member and the 5th web member is connected on the strength plate; Also comprise the 6th web member, the structure of said the 6th web member is: said web member is made up of steel pipe and the junction plate that is located at steel tube end part, is provided with inserting groove at the front end of junction plate, and the web width of the width of described inserting groove and said node place chord member is suitable; The inserting groove of described junction plate upper end is inserted to chord member frange plate below or is inserted to frange plate from the web lower direction of chord member respectively and offsets; The junction plate of described the 4th web member and the 5th web member is connected to the junction plate both sides of the 6th web member; The connected mode of described steel pipe and junction plate is: vertically be provided with inserting groove at described steel tube end part, and integrally welded in the inserting groove of described junction plate insertion steel tube end part; Junction plate both sides at steel tube end part are welded with seal cover board.
The job practices of floor movable die plate support system of the present invention may further comprise the steps:
(1) installation site of a plurality of correspondences is set at interval on the relative two flooring girder steels 11,12 of steel work width, said flooring girder steel is H shaped steel, T-steel or box steel;
(11) said flooring girder steel is a H shaped steel, and junction plate 13 is set on said H shaped steel web at interval;
(12) on said main joist 2, strength plate 21 is set, the installation site correspondence is provided with bolt hole 22 on said junction plate and the strength plate, and the bolt hole 22,14 that is arranged on junction plate and/or strength plate is oval bolt hole;
(13) be positioned at the secondary joist end fine tuning structure 4 that some correspondences are set on the main joist opposed inside face of both sides at interval; Described fine tuning structure comprises the angle steel 42 that is arranged on two risers 41 of main joist medial surface at interval and is arranged on below between two risers; Said angle steel simultaneously is arranged on the main joist medial surface; Another side suspends and said two risers form a shaped as frame space; The face of suspending of said angle steel is provided with securing member 43, and said securing member top is provided with the top board 44 that is positioned at the shaped as frame space; Main joist bottom surface between the both sides corresponding said fine tuning structure that makes progress is provided with plurality of U-shaped draw-in groove 31;
(2) main joist two ends and two flooring girder steels are removably connected to the installation site with slide fastener or the additive method main joist of slinging successively;
(21) sling main joist to the installation site with slide fastener or additive method successively, make the bolt hole 22 of main joist strength plate corresponding with bolt hole 14 positions of said junction plate;
(22) bolt 20 is located in the said bolt hole 14,22;
(3) with secondary joist arranged in a crossed manner respectively on main joist and with its releasable connection or at least two ends and main joist removably connect, coarse adjustment secondary joist end and main joist installation site make secondary joist be raised to correct position;
(31) the secondary joist correspondence is arranged in the U-shaped draw-in groove of adjacent main joist in twos, the secondary joist both ends are arranged on respectively between two risers of the corresponding fine tuning structure of main joist medial surface, and the bottom places on the top board of securing member;
(32) fastening bolt 20 is fixed on main joist the installation site of flooring girder steel;
(33) coarse adjustment securing member 43 moves up and down to correct position the secondary joist that places on the top board between two risers;
(4) at main joist and secondary joist upper berth wooden form 5, accurate adjustment secondary joist end and main joist installation site make wooden form reach the exact position;
(41) at main joist and secondary joist upper berth wooden form;
(42) the accurate adjustment securing member moves up and down the relative main joist of wooden form to reach exact position and fastening fixture to make secondary joist be fixed on the installation site of main joist;
(5) fluid concrete, waits for that intensity reaches at 75% o'clock and prepares to remove wooden form at the curing requirements time;
(6) the dismounting sequencing is: link, removal secondary joist, dismounting main joist and the wooden form of transferring loose secondary joist and main joist.
(61) transfer the degree of tightness firmware to make secondary joist reach the state of not stressing;
(62) dismounting secondary joist;
(63) remove main joist and wooden form.
Described main joist is solid web girder or truss, and said secondary joist is connected with the node of said truss, and described truss is that T-steel truss or upper and lower chord member are that T-steel, web member are the truss of pipe fitting.
Wherein flooring girder steel and main joist type of attachment are seen Fig. 7,8; Junction plate through being welded in advance on the girder steel carries out the bolt connection, considers that the site operation precision does not reach requirement, possibly produce alignment error; So need on the junction plate of main joist, open slotted hole, be easy to Fast Installation.The type of attachment of main joist and secondary joist is seen accompanying drawing 2, and the form that is provided with of this node mainly is to have considered the fine adjustment function of secondary joist and be convenient to disassembling function.Through the fine setting of securing member, secondary joist is moved up and down, thereby make wooden form reach correct position, reduce the error that produces in the fluid concrete process.Through fine adjustment function, also be convenient to the later stage stripping.
Make full use of the flooring girder steel of existing steel framed structure; Through on its web, setting up a series of interim rod members such as main joist, secondary joist and wooden form successively; Utilize securing member or bolt, form a complete stress system, play the effect of supporting floorslab concrete pouring and construction with this.It is convenient that this system has construction, and rapidly, the construction period is short, and reuse is strong, economic security, integral installation, the advantage of integral demounting; It is complicated to have changed traditional in the past load-bearing scaffold support system working procedure, long in time limit, characteristics such as expense height; Described in addition main joist and secondary joist can be designed to full-length, carry out connection at the construction field (site), and standard product is convenient to promote, and has extensive market value; Can significantly improve efficiency of construction, reduce the construction integrated cost; Be applicable to all kinds of public buildings, the hotel, the megastore, hospital, many floor beams such as school are the structure of girder steel.
The present invention is not limited to above-mentioned embodiment, no matter on its shape or structure, do any variation, every above-mentioned floor movable die plate support system and job practices thereof utilized all is a kind of distortion of the present invention, all should think and drop within the protection domain of the present invention.
Claims (2)
1. the job practices of a floor movable die plate support system may further comprise the steps:
(1) installation site of a plurality of correspondences is set at interval on the relative two flooring girder steels of steel work width, said flooring girder steel is a H shaped steel;
(2) main joist two ends and two flooring girder steels are removably connected to the installation site with the slide fastener main joist of slinging successively;
(3) with secondary joist arranged in a crossed manner respectively on main joist and with its releasable connection, coarse adjustment secondary joist end and main joist installation site make secondary joist be raised to correct position;
(4) at main joist and secondary joist upper berth wooden form, accurate adjustment secondary joist end and main joist installation site make wooden form reach the exact position;
(5) fluid concrete, waits for that intensity reaches at 75% o'clock and prepares to remove wooden form at the curing requirements time;
(6) the dismounting sequencing is: link, removal secondary joist, dismounting main joist and the wooden form of transferring loose secondary joist and main joist;
It is characterized in that step (1) comprising:
(11) said flooring girder steel is a H shaped steel, and junction plate is set on said H shaped steel web at interval;
(12) the strength plate is set on said main joist, the installation site correspondence is provided with bolt hole on said junction plate and the strength plate, and the bolt hole that is arranged on junction plate and/or strength plate is oval bolt hole;
(13) be positioned at the secondary joist end fine tuning structure that some correspondences are set on the main joist opposed inside face of both sides at interval; Described fine tuning structure comprises the angle steel that is arranged on two risers of main joist medial surface at interval and is arranged on below between two risers; Said angle steel simultaneously is arranged on the main joist medial surface; Another side suspends and said two risers form a shaped as frame space, and the face of suspending of said angle steel is provided with securing member, and said securing member top is provided with the top board that is positioned at the shaped as frame space; Main joist bottom surface between the both sides corresponding said fine tuning structure that makes progress is provided with the plurality of U-shaped draw-in groove;
Step (2) comprising:
(21) sling main joist to the installation site with slide fastener successively, make the bolt hole of main joist strength plate corresponding with the bolt hole position of said junction plate;
(22) bolt is located in the said bolt hole;
Step (3) comprising:
(31) the secondary joist correspondence is arranged in the U-shaped draw-in groove of adjacent main joist in twos, the secondary joist both ends are arranged on respectively between two risers of the corresponding fine tuning structure of main joist medial surface, and the bottom places on the top board of securing member;
(32) fastening bolt is fixed on main joist the installation site of flooring girder steel;
(33) the coarse adjustment securing member moves up and down to correct position the secondary joist that places on the top board between two risers;
Step (4) comprising:
(41) at main joist and secondary joist upper berth wooden form;
(42) the accurate adjustment securing member moves up and down the relative main joist of wooden form to reach exact position and fastening fixture to make secondary joist be fixed on the installation site of main joist;
Step (6) comprising:
(61) transfer the degree of tightness firmware to make secondary joist reach the state of not stressing;
(62) dismounting secondary joist;
(63) remove main joist and wooden form.
2. the job practices of floor movable die plate support system as claimed in claim 1, described main joist are solid web girder or truss, and said secondary joist is connected with the node of said truss, and described truss is the T-steel truss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102989763A CN101949212B (en) | 2010-09-29 | 2010-09-29 | Slabform detachable support system and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102989763A CN101949212B (en) | 2010-09-29 | 2010-09-29 | Slabform detachable support system and construction method thereof |
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| CN101949212A CN101949212A (en) | 2011-01-19 |
| CN101949212B true CN101949212B (en) | 2012-04-25 |
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| CN103924686B (en) * | 2013-01-14 | 2016-05-18 | 上海核工程研究设计院 | The method of attachment of a kind of steel plate-concrete combined shear wall and composite floor |
| CN103806659B (en) * | 2013-09-12 | 2016-02-24 | 中如建工集团有限公司 | Super thick prestressing force change-over panel individual layer comprehensively supports and splits temperature control construction technology with control |
| CN104818844A (en) * | 2015-05-18 | 2015-08-05 | 山东金城建设有限公司 | Normalized support system and construction method of weather-proof PVC (polyvinyl chloride) composite plastic template |
| CN104947836B (en) * | 2015-06-25 | 2017-07-11 | 大元建业集团股份有限公司 | The unsupported construction method of high-rise steel structure in-situ floor slab in houses |
| CN105178488A (en) * | 2015-08-04 | 2015-12-23 | 华东建筑设计研究院有限公司 | Steel plate reinforced composite floor slab with detachable reinforcing components |
| CN106522439B (en) * | 2016-12-21 | 2022-04-19 | 西安建筑科技大学 | Former bamboo floor of I-steel roof beam |
| CN108252443A (en) * | 2017-11-14 | 2018-07-06 | 重庆凌锋投资管理有限公司 | Bed die detachable hang formula steel bar girder floor slab structure and its construction method |
| CN107859221B (en) * | 2017-11-17 | 2023-09-01 | 山东枣兴建设工程有限公司 | Keel structure |
| CN108130969A (en) * | 2018-02-14 | 2018-06-08 | 上海欧本钢结构有限公司 | A kind of dismountable floor plates system and its construction method |
| CN109458195B (en) * | 2018-12-26 | 2020-06-09 | 中国建筑第八工程局有限公司 | Construction method of tunnel secondary lining under condition of small turning radius |
| CN110765513B (en) * | 2019-09-20 | 2023-02-21 | 久瓴(江苏)数字智能科技有限公司 | Method for placing connecting node of wall keel model and L-shaped top guide beam model and product |
| CN111236631B (en) * | 2020-02-09 | 2022-02-11 | 山西四建集团有限公司 | Semicircular concrete roof building supporting structure |
| CN112854572A (en) * | 2021-03-05 | 2021-05-28 | 珠海市三鑫科技发展有限公司 | Keel structure and curtain wall with same |
| CN113530218A (en) * | 2021-07-05 | 2021-10-22 | 李新华 | Floor slab framework, floor slab and manufacturing method thereof |
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| GB640531A (en) * | 1946-12-17 | 1950-07-19 | Alexandre Horowitz | Composite girder or beam |
| US3651612A (en) * | 1970-11-18 | 1972-03-28 | Truswal Systems Inc | Floor joist |
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| CN1624272A (en) * | 2003-12-05 | 2005-06-08 | 多卡工业有限公司 | Template table |
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| CN201809973U (en) * | 2010-09-29 | 2011-04-27 | 中冶建筑研究总院有限公司 | Detachable template support system for floor plate |
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| CN101949212A (en) | 2011-01-19 |
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