CN111636682A - Turnover external cantilever inclined column supporting system and construction method thereof - Google Patents
Turnover external cantilever inclined column supporting system and construction method thereof Download PDFInfo
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- CN111636682A CN111636682A CN202010403840.8A CN202010403840A CN111636682A CN 111636682 A CN111636682 A CN 111636682A CN 202010403840 A CN202010403840 A CN 202010403840A CN 111636682 A CN111636682 A CN 111636682A
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- floor slab
- inclined strut
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/02—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
Abstract
The invention discloses a turnover external cantilever inclined column supporting system and a construction method thereof, wherein the system comprises: the overhanging main beam is connected to a structural floor slab of a construction floor in an overhanging way corresponding to the back side position of the inclined column; the first adjustable inclined strut is obliquely supported between the upper surface of the overhanging main beam and the back side template on the back side of the inclined column; the diagonal steel wire rope is obliquely pulled between the upper surface of the structural floor slab and the front side template on the front side of the diagonal column; the conversion support or the second adjustable inclined strut is supported between the lower surface of the overhanging main beam and the lower-layer structural floor slab, and the conversion support or the second adjustable inclined strut is connected with the adjacent structural column by adopting a cross rod to carry out column holding; and the third adjustable inclined strut is symmetrically supported between the upper surface of the structural floor slab of the construction floor and the side templates at two sides of the inclined column. The support system has the advantages of good stress performance, safety, stability, simple construction and high installation efficiency, and solves the difficult problem of cantilever inclined column formwork support.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a turnover external cantilever inclined column supporting system and a construction method thereof.
Background
With the continuous pursuit of building modeling in the building industry, in order to achieve the purpose of building appearance and the like, the batter post appears in various buildings as a common structural member. Depending on the arrangement of the building structure, the batter post is often arranged at the outer edge of the structure and is cantilevered obliquely towards the outside of the structure.
In engineering projects, the number of the outward overhanging special-shaped inclined columns is large, but the size specification and the inclination angle are various. In order to meet the molding requirement, a steel template is required for construction, and accurate control and positioning are required. The construction difficulty is high on the high-altitude overhanging component, the safety risk is high, and the smooth construction is difficult to ensure. Meanwhile, the sizing formwork system is difficult to recycle due to various size specifications and inclination angles.
Therefore, an economical support system which can ensure quality safety, can be circulated and can adapt to variable shapes is urgently needed.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a turnover external cantilever inclined column supporting system and a construction method thereof, which not only meet the construction supporting requirement, but also have the advantages of quick adjustment and turnover and the like.
The technical scheme adopted by the invention is as follows:
the utility model provides a can have enough to meet need outer cantilever batter post support system, it includes:
the overhanging main beam is connected to a structural floor slab of a construction floor in an overhanging way corresponding to the back side position of the inclined column;
the first adjustable inclined strut is obliquely supported between the upper surface of the overhanging main beam and the back side template on the back side of the inclined column;
the diagonal steel wire rope is obliquely pulled between the upper surface of the structural floor slab and the front side template on the front side of the diagonal column;
the conversion support or the second adjustable inclined strut is supported between the lower surface of the overhanging main beam and the lower-layer structural floor slab, and the conversion support or the second adjustable inclined strut is connected with the adjacent structural column by adopting a cross rod to carry out column holding;
and the third adjustable inclined strut is symmetrically supported between the upper surface of the structural floor slab of the construction floor and the side templates at two sides of the inclined column.
The rotatable outer cantilever inclined column supporting system is further improved in that the cantilever main beam is connected to the outer side, close to the back side of the inclined column, of the structural floor slab through a first embedded part.
The turnover external cantilever inclined column supporting system is further improved in that the conversion support is arranged between the lower surface of the cantilever main beam and the lower-layer structural floor slab and is a full support.
The rotatable outer cantilever inclined column support system is further improved in that when the height-width ratio of the conversion support is larger than 3, one throwing support is arranged on each two spans of two sides of the conversion support.
The rotatable external cantilever inclined column supporting system is further improved in that a second adjustable inclined strut is arranged between the lower surface of the cantilever main beam and the lower-layer structural floor, the lower end of the second adjustable inclined strut is connected to an inclined strut support on the lower-layer structural floor, and the upper end of the second adjustable inclined strut is connected to a connecting lug plate reserved below the cantilever main beam.
The rotatable outer cantilever inclined column supporting system is further improved in that the lower end of the second adjustable inclined support is closer to the structural column than the upper end of the second adjustable inclined support.
The rotatable external-cantilever inclined column supporting system is further improved in that the lower end of the diagonal steel wire rope is connected with a steel wire rope hook pre-buried on a structural floor slab of a construction floor, and the upper end of the diagonal steel wire rope is connected with a connecting lug plate reserved on the front side formwork.
The rotatable external cantilever inclined column supporting system is further improved in that the bottom of the steel wire rope hook is formed into a flat straight section, and the two flat straight sections are placed and fixed below a floor slab bottom rib of the structural floor slab.
A construction method of a rotatable outer cantilever inclined column supporting system comprises the following steps:
arranging a conversion support or a second adjustable inclined strut on a lower-layer structural floor corresponding to the back side position of the inclined strut, and connecting the conversion support or the second adjustable inclined strut with an adjacent structural column by adopting a cross rod for carrying out column holding, wherein the top height of the conversion support or the second adjustable inclined strut is suitable for the elevation of the structural floor of a construction floor;
arranging an overhanging main beam on the outer side of a structural floor slab of a construction floor, and supporting the lower surface of the overhanging main beam against the top of the conversion bracket or the second adjustable inclined strut;
mounting a back side template at the back side of the inclined column, and obliquely supporting the back side template between the upper surface of the overhanging main beam and the back side template at the back side of the inclined column by adopting a first adjustable inclined strut;
installing side formworks on two sides of the batter post, and symmetrically supporting the side formworks on the two sides of the batter post between the upper surface of the structural floor slab of the construction floor and the side formworks on the two sides of the batter post by adopting a third adjustable batter brace;
and installing a front side template on the front side of the batter post, and obliquely pulling the oblique steel wire rope between the upper surface of the structural floor slab and the front side template on the front side of the batter post.
The construction method of the rotatable external cantilever inclined column supporting system further improves the method and also comprises the following steps: in the process of constructing the structural floor slab of the construction floor, an embedded part is arranged on the outer side, close to the back side of the inclined column, of the structural floor slab to be connected with the cantilever main beam, and a steel wire rope hook is embedded on one side, close to the front side of the inclined column, of the structural floor slab to be connected with the inclined steel wire rope.
The cantilever inclined column formwork supporting system has the advantages of good stress performance, safety, stability, simplicity in construction and high installation efficiency, and solves the problem of cantilever inclined column formwork supporting. Meanwhile, the components are connected through pin shafts or bolts, so that the assembly and disassembly are convenient, and the multifunctional combined type electric heating furnace has the function of repeated turnover and use. Utilize the flexible regulatory function of adjustable bracing to improve and support the adaptability to different specification inclination batter posts, greatly improve its can turnover performance, reduce material consumption, and can reach the effect of the management and control that becomes more meticulous.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a side elevational view of a first embodiment of the rotatable outer cantilevered batter post support system of the present invention (when the overhang is low).
FIG. 2 is a sectional view taken along line A-A in the embodiment of FIG. 1.
Fig. 3 is a first enlarged view of a portion of the embodiment of fig. 1.
Fig. 4 is a second enlarged view of a portion of the embodiment of fig. 1.
Fig. 5 is a side elevational view of a second embodiment of the rotatable outer cantilevered batter post support system of the present invention (when the overhang is high).
FIG. 6 is a sectional view taken along line B-B in the embodiment of FIG. 5.
Fig. 7 is a side elevation view of an embedded part and a wire rope hook being embedded when a primary structure is constructed.
Fig. 8 is a side elevational view of the cantilevered girder as installed.
FIG. 9 is a side elevational view of the first adjustable brace and the back sideform of the diagonal post when installed.
Fig. 10 is a front elevational view of the third adjustable brace and the jamb template in place.
Fig. 11 is a top view of the embodiment of fig. 1.
Fig. 12 is a top view of the cantilever girder.
Fig. 13 to 15 are schematic views of the sprag support, in which fig. 13 is a top view, fig. 14 is a side-inward view, and fig. 15 is a front elevational view.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
The invention aims to provide a turnover outer cantilever inclined column supporting system and a construction method thereof, which not only meet the construction supporting requirement, but also have the advantages of quick adjustment and turnover and the like.
The turnover external cantilever inclined column supporting system mainly comprises a first adjustable inclined support, a cantilever main beam, an inclined column steel template, a conversion support or a second adjustable inclined support, a third adjustable inclined support and a diagonal steel wire rope.
The invention is described in further detail below with reference to the figures and specific examples.
Referring first to fig. 1-4 and 10-12, a rotatable outer cantilevered batter post support system according to a first embodiment of the present invention is provided. In the embodiment, the turnover external cantilever inclined column supporting system is composed of a first adjustable inclined support 1, a cantilever main beam 2, an inclined column steel formwork 5, a conversion support 3, a third adjustable inclined support 7 and an inclined pull steel wire rope 4.
In this embodiment, the batter post leans out to the outside of construction floor, and the batter post steel form is including being located dorsal side form board of dorsal side, being located the positive side form board of positive side and being located the side form board of both sides, and wherein, dorsal side form board and positive side form board set up relatively, and the side form board of both sides sets up relatively each other, and the outside of dorsal side form board face to the construction floor, and positive side form board face is to the inboard of construction floor. The part of the back side of the batter post extends beyond the outer surface of the construction floor, so that the installation of the batter post back side template is extremely difficult.
In contrast, the cantilever girder 2 is adopted, the cantilever girder 2 is connected to the structural floor slab of the construction floor in a cantilever mode corresponding to the back side position of the inclined column, the problem that no supporting foundation exists below the back side of the inclined column is solved, and the cantilever girder 2 and the structural floor slab are detachably connected through the embedded part 8. And a first adjustable inclined strut 1 is further obliquely supported between the upper surface of the cantilever main beam 2 and the back side template at the back side of the inclined column. And the inclined steel wire rope 4 is obliquely pulled between the upper surface of the structural floor slab and the front side template on the front side of the inclined column. The conversion bracket 3 is supported between the lower surface of the overhanging main beam 2 and the lower-layer structural floor slab, and the conversion bracket 3 is adjacent to the lower surface
The structural columns are connected by adopting a cross rod 14. The third adjustable inclined strut 7 is symmetrically supported between the upper surface of the structural floor slab of the construction floor and the side formworks at two sides of the inclined column. Wherein, the both ends of first adjustable bracing 1 respectively with encorbelment between girder 2 and the back side form board adopt to dismantle the connected mode and be connected, the both ends of third adjustable bracing 7 respectively with adopt to dismantle the connected mode and be connected between structure floor and the side template, adopt adjustable jacking to shore between the top of conversion support 3 and the girder 2 of encorbelmenting.
The structure, material selection and connection structure of the components in the first embodiment of the rotatable outer cantilever batter post support system of the present invention are further described in detail as follows.
The upper end of the first adjustable inclined strut 1 supports an inclined column steel formwork which inclines outwards, and the lower end of the first adjustable inclined strut is connected with the overhanging main beam. The support of the component of encorbelmenting is carried out to highly selective conversion support or bracing according to the girder of encorbelmenting (chooseing for use the conversion support when encorbelmenting lower, chooseing for use the bracing when encorbelmenting higher), and the condition of this embodiment for chooseing for use the conversion support. The side templates at two sides of the batter post and the front template are further fixed by a diagonal steel wire rope 4.
The first adjustable inclined strut 1 is composed of an inclined strut support 13, a phi 65X 5 steel pipe 15, a phi 48 screw 11 and a nut 12, wherein the phi 48 screw 11 is inserted into the phi 65X 5 steel pipe 15, and the exposed length of the phi 48 screw 11 can be controlled through the nut 12. One end of the first adjustable inclined strut is connected with the inclined strut support 13, and the other end of the first adjustable inclined strut is supported on the back side template of the inclined column. The exposed end part of the screw 11 is provided with a double-connection inner lug plate and is in pin connection with a double-connection outer lug plate of the inclined strut support 13.
Referring to fig. 13 to 15, the inclined strut support 13 is provided with a base steel plate, lug plates and rib plates, wherein the base steel plate is made of a square steel plate and is uniformly provided with four bolt holes. The middle of the base steel plate is provided with a double-connection outer ear plate, and the outer side of the ear plate is provided with a ribbed plate to improve the rigidity of the ear plate.
The cantilever girder 2 adopts HW300mm 300mm 12mm I-steel, and two rows of bolt holes are equidistantly arranged on a wing plate of the cantilever girder 2 according to bolt hole positions of the diagonal bracing support, and the diagonal bracing support can be fixed with the cantilever girder through bolts. One end of the overhanging main beam is connected with an embedded part 8 embedded in the boundary beam of the structure, and the other end of the overhanging main beam is provided with a double-connection outer ear plate below the lower wing plate.
Preferably, conversion support 3 adopts the mode of falling to the ground support frame, adopts socket joint shaped steel pipe support to set up full hall support from the understructure floor, and the pole setting top all sets up adjustable top support 31, and every adjustable top support 31 transversely arranges two square channels, and the specification is 50mm 3 mm.
The side template of batter post steel form adopts third adjustable bracing 7 to support, as shown in fig. 10, and its bottom is fixed in on this layer of structure floor through the bracing support.
The positive side template of the batter post steel template is fixed by a phi 20 stayed steel wire rope 4 drawknot steel wire rope hook 9 which is pre-buried in the surface of the structure layer and is made of phi 28 round steel.
Furthermore, the end part of the phi 65 multiplied by 5 steel pipe in the first adjustable inclined strut is provided with a double-connection inner ear plate, and the back side template of the inclined column steel template is provided with the number of double-connection outer ear plates matched with the first adjustable inclined strut, so that pin connection can be adopted.
Further, the third adjustable inclined strut is the same as the first adjustable inclined strut in structural composition.
Further, the first adjustable inclined strut 1 is provided with phi 48 steel pipe cross rods 14 in the transverse direction and the longitudinal direction of every 1.5m along the rod length direction, and the phi 48 steel pipe cross rods are connected with one another by fasteners.
Further, set up vertical connecting plate on the built-in fitting 8, vertical connecting plate all reserves the bolt hole on with the girder 2 that encorbelments simultaneously, adopts bolted connection.
Furthermore, two ends of the phi 20 cable-stayed steel wire rope 4 are connected by adopting rope clamps, and the number of the rope clamps is not less than 3. Meanwhile, the number of double-connection outer ear plates matched with the phi 20 diagonal steel wire rope is arranged on the front side template and the two side templates of the inclined column steel template, and a pin shaft is arranged, so that the phi 20 diagonal steel wire rope is conveniently tied and fixed.
Furthermore, the length specifications of the first adjustable inclined strut 1 and the third adjustable inclined strut 7 can be determined by changing the lengths of the phi 65mm multiplied by 5mm steel pipes according to requirements.
Fig. 5 and 6 are combined to show another embodiment of the rotatable outer cantilever oblique column supporting system of the invention. This embodiment differs from the first embodiment described above in that in this embodiment, the second adjustable diagonal brace 6 is used instead of the conversion bracket 3, and as shown in the figure, the other configuration is not changed, but the conversion bracket 3 is replaced with the second adjustable diagonal brace 6. One end of a second adjustable inclined strut 6 is connected with the double-connection outer ear plate below the overhanging main beam 2 through a pin shaft, the other end of the second adjustable inclined strut is connected with an inclined strut support, and the inclined strut support is fixed on a lower-layer structure floor through a rear anchor bolt. The second adjustable inclined strut has the same structural composition as the first adjustable inclined strut and the third adjustable inclined strut. The second adjustable inclined strut 6 is transversely provided with phi 48 steel pipe cross rods every 1.5m along the rod length direction and is connected with each other by fasteners. The length specification of the second adjustable inclined strut can be determined by changing the length of the phi 65mm multiplied by 5mm steel pipe according to the requirement.
The construction method of the rotatable outer cantilever inclined column support system of the invention is described in detail below with reference to fig. 1, 5 and 7-9 as follows:
the invention provides a construction method of a turnover external cantilever inclined column supporting system, which comprises the following steps:
step 1: embedding an embedded part 8 and a steel wire rope hook 9 when the structure of the main layer is constructed;
step 2: erecting a conversion bracket 3 or installing a second adjustable inclined strut 6;
and step 3: installing a cantilever girder 2;
and 4, step 4: installing a first adjustable inclined strut 1 and an inclined column back side template;
and 5: the exposed length of the first adjustable inclined strut 1 is adjusted, and the inclined column back side template is accurately positioned;
step 6: installing an inclined column side template and a front side template;
and 7: a third adjustable inclined strut 7 is arranged on the formwork beside the inclined column for supporting, as shown in fig. 10;
and 8: installing transverse and longitudinal steel pipe cross bars between the first adjustable inclined struts 1;
and step 9: and installing a diagonal steel wire rope 4 on the front side template of the batter post for drawknot fixation.
Further, in the step 1, the embedded straight section at the bottom of the steel wire rope hook 9 is placed and fixed below the floor slab bottom rib.
Further, in step 2, when the switching bracket 3 is set up, the distance between the vertical rods is 0.6m by 0.6m, and the step distance between the cross rods is 1.5 m. The conversion support 3 and the adjacent structural column are subjected to column embracing treatment (the structural column is surrounded by the column embracing cross rod 33 in a transverse and longitudinal arrangement mode, a wood pad lining plate 34 is arranged between the column embracing cross rod 33 and the structural column), and a horizontal rod is arranged at each step.
Further, in step 2, when the aspect ratio of the conversion bracket 3 is greater than 3, one throwing support should be arranged at each two spans on both sides to improve the stability.
Further, in step 2, when the height of the full hall support exceeds 8m or the height of two floors, the cantilever girder 2 is supported by the second adjustable inclined strut 6.
Further, in step 2, when the mode of the second adjustable inclined strut 6 is adopted, the cantilever main beam 2 is firstly installed, then the inclined strut support below the second adjustable inclined strut 6 is installed and fixed, and the inclined strut support is fixed by drilling holes on the floor slab of the lower layer structure and the rear anchor bolt.
Further, in the step 2, the holding column cross rods 33 made of phi 48 steel pipes are transversely arranged every 1.5m along the length direction of the second adjustable inclined strut 6, the second adjustable inclined strut is connected with the holding column cross rods through fasteners, and each steel pipe cross rod 33 and an adjacent structural column are subjected to holding column treatment (the steel pipe cross rods 33 are transversely and longitudinally arranged to surround the structural column, and a wood pad lining plate 34 is arranged between the steel pipe cross rods 33 and the structural column).
Further, the holding pole cross bar 33 is locked by fasteners around the pole and is locked by fasteners with the cross bar of the conversion bracket 3 or the second adjustable inclined strut 6. Meanwhile, a wood pad lining plate 34 is arranged between the holding column cross rod 33 and the constructed column.
Further, in step 3, after the cantilever girder 2 is installed, the adjustable jacking 31 is adjusted to enable the square tube 32 to uniformly support the cantilever girder 2.
Further, in step 4, after the inclined column back side template is placed according to the positioning marks arranged on the floor slab, ordinary expansion bolts are implanted into the floor slab to fix the back of the inclined column back side template.
Further, in step 4, a plurality of rows of first adjustable inclined struts 1 with different length specifications are arranged according to the length of the inclined column steel die, and each row is provided with two first adjustable inclined struts 1.
Further, in step 4, the positioning of the first adjustable inclined strut and the inclined strut support thereof under each length specification is preliminarily determined according to CAD or BIM lofting. First adjustable bracing carries out the round pin hub connection with the two connecting plate on the steel form, and the bracing support carries out the mounting bolt location after the translation according to the reservation bolt hole of the girder upper wing plate of encorbelmenting, and step 4 installation only needs to make clear that first adjustable bracing can the steady support batter post die block, tentatively confirms the angle of inclination of batter post die block, and first adjustable bracing is not less than 60 with the horizontal angle.
Further, in step 5, plumb bob is placed at two corners of the upper part of the inclined column back side template, and meanwhile, a mark for designing projection positioning is arranged on the ground. The nut is screwed by a spanner to adjust the length of the first adjustable inclined strut of the uppermost row, so that the plumb bob is superposed with the mark of the designed projection positioning of the plumb bob. And then, drawing through lines at the top and the bottom of the inclined column back side template to recheck the flatness of the back side template, and adjusting the length of the first adjustable inclined strut except the uppermost row to ensure that the inclined column back side template is flat and straight without bulging or sinking in the middle of the template.
Further, in step 6, third adjustable inclined struts are symmetrically arranged on side formworks at two sides of the inclined column, two rows are arranged at each side, two inclined struts are arranged at each row, and common expansion bolts are implanted on the structural floor slab through inclined strut supports for fixing
Further, in step 6, after third adjustable diagonal braces 7 are installed on the side templates on two sides of the diagonal column, plumb bob symmetrically and equidistantly extends out of two sides of the diagonal column steel mold, and a wrench is used for screwing a nut to adjust the length of the third adjustable diagonal brace 7, so that the plumb bob is the same as the bottom of the side templates on two sides, namely the diagonal column template is located in the center.
Further, in step 8, phi 48 steel pipe cross rods are transversely and longitudinally arranged along the rod length direction of the first adjustable inclined strut 1 by 1.5m, and are mutually connected by adopting matched fasteners, so that the overall stability of the first adjustable inclined strut is improved.
Further, in step 9, the inclined column side formwork is tied with the steel wire rope hooks 9 pre-buried on the floor slab by using the inclined steel wire ropes 4, and two rows are arranged in total, wherein two steel wire ropes are arranged in each row. Meanwhile, the same number of pluggable double-connection plates need to be arranged on the inclined column steel template.
Furthermore, in step 9, the two ends of the cable-stayed steel wire rope are connected by adopting rope clamps, the number of the rope clamps at each end is not less than 3, the saddle of the rope clamp is placed on one side of the stressed rope, the U-shaped clamp ring is placed on one side of the returned short rope, and positive and negative arrangement is strictly forbidden.
The cantilever inclined column formwork supporting system has the advantages of good stress performance, safety, stability, simplicity in construction and high installation efficiency, and solves the problem of cantilever inclined column formwork supporting. Meanwhile, the components are connected through pin shafts or bolts, so that the assembly and disassembly are convenient, and the multifunctional combined type electric heating furnace has the function of repeated turnover and use. Utilize the flexible regulatory function of adjustable bracing to improve and support the adaptability to different specification inclination batter posts, greatly improve its can turnover performance, reduce material consumption, and can reach the effect of the management and control that becomes more meticulous.
It should be noted that the structures, ratios, sizes, and the like shown in the drawings attached to the present specification are only used for matching the disclosure of the present specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions of the present invention, so that the present invention has no technical essence, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a can have enough to meet need outer oblique post support system of choosing, its characterized in that includes:
the overhanging main beam is connected to a structural floor slab of a construction floor in an overhanging way corresponding to the back side position of the inclined column;
the first adjustable inclined strut is obliquely supported between the upper surface of the overhanging main beam and the back side template on the back side of the inclined column;
the diagonal steel wire rope is obliquely pulled between the upper surface of the structural floor slab and the front side template on the front side of the diagonal column;
the conversion support or the second adjustable inclined strut is supported between the lower surface of the overhanging main beam and the lower-layer structural floor slab, and the conversion support or the second adjustable inclined strut is connected with the adjacent structural column by adopting a cross rod to carry out column holding;
and the third adjustable inclined strut is symmetrically supported between the upper surface of the structural floor slab of the construction floor and the side templates at two sides of the inclined column.
2. The rotatable outer cantilevered batter post support system of claim 1, wherein: the cantilever girder is connected to the outer side, close to the back side of the inclined column, of the structural floor slab through a first embedded part.
3. The rotatable outer cantilevered batter post support system of claim 1, wherein: the lower surface of the cantilever girder and the lower layer structure floor slab are provided with the conversion support, and the conversion support is a full support.
4. The rotatable outer cantilevered batter post support system of claim 3, wherein: and when the height-width ratio of the conversion bracket is larger than 3, one throwing support is arranged on each two spans of the two sides of the conversion bracket.
5. The rotatable outer cantilevered batter post support system of claim 1, wherein: the lower surface of the cantilever girder and the lower-layer structure floor slab are provided with the second adjustable inclined strut, the lower end of the second adjustable inclined strut is connected with the inclined strut support on the lower-layer structure floor slab, and the upper end of the second adjustable inclined strut is connected with the connecting lug plate reserved below the cantilever girder.
6. The rotatable outer cantilevered batter post support system of claim 5, wherein: the lower end of the second adjustable inclined strut is close to the structural column than the upper end of the second adjustable inclined strut.
7. The rotatable outer cantilevered batter post support system of claim 5, wherein: the lower end of the oblique-pulling steel wire rope is connected with a steel wire rope hook pre-buried on a structural floor slab of a construction floor, and the upper end of the oblique-pulling steel wire rope is connected with a connecting lug plate reserved on the front side formwork.
8. The rotatable outer cantilevered batter post support system of claim 7, wherein: the bottom of the steel wire rope hook is formed into a flat straight section, and the flat straight section is placed and fixed below a floor slab bottom rib of the structural floor slab.
9. A construction method of a turnover external cantilever inclined column supporting system is characterized by comprising the following steps:
arranging a conversion support or a second adjustable inclined strut on a lower-layer structural floor corresponding to the back side position of the inclined strut, and connecting the conversion support or the second adjustable inclined strut with an adjacent structural column by adopting a cross rod for carrying out column holding, wherein the top height of the conversion support or the second adjustable inclined strut is suitable for the elevation of the structural floor of a construction floor;
arranging an overhanging main beam on the outer side of a structural floor slab of a construction floor, and supporting the lower surface of the overhanging main beam against the top of the conversion bracket or the second adjustable inclined strut;
mounting a back side template at the back side of the inclined column, and obliquely supporting the back side template between the upper surface of the overhanging main beam and the back side template at the back side of the inclined column by adopting a first adjustable inclined strut;
installing side formworks on two sides of the batter post, and symmetrically supporting the side formworks on the two sides of the batter post between the upper surface of the structural floor slab of the construction floor and the side formworks on the two sides of the batter post by adopting a third adjustable batter brace;
and installing a front side template on the front side of the batter post, and obliquely pulling the oblique steel wire rope between the upper surface of the structural floor slab and the front side template on the front side of the batter post.
10. The method for constructing a supporting system of an epicyclic externally cantilevered batter post according to claim 9, further comprising the steps of:
in the process of constructing the structural floor slab of the construction floor, an embedded part is arranged on the outer side, close to the back side of the inclined column, of the structural floor slab to be connected with the cantilever main beam, and a steel wire rope hook is embedded on one side, close to the front side of the inclined column, of the structural floor slab to be connected with the inclined steel wire rope.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112681760A (en) * | 2020-12-28 | 2021-04-20 | 上海建工五建集团有限公司 | Construction method of BIM auxiliary inclined structural column |
| CN112814373A (en) * | 2021-01-26 | 2021-05-18 | 中国五冶集团有限公司 | Inclined column formwork supporting structure and construction method |
-
2020
- 2020-05-13 CN CN202010403840.8A patent/CN111636682A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112681760A (en) * | 2020-12-28 | 2021-04-20 | 上海建工五建集团有限公司 | Construction method of BIM auxiliary inclined structural column |
| CN112814373A (en) * | 2021-01-26 | 2021-05-18 | 中国五冶集团有限公司 | Inclined column formwork supporting structure and construction method |
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