CN112049411A - Roof post-cast strip reinforcing method and roof bracing structure thereof - Google Patents
Roof post-cast strip reinforcing method and roof bracing structure thereof Download PDFInfo
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- CN112049411A CN112049411A CN202010895722.3A CN202010895722A CN112049411A CN 112049411 A CN112049411 A CN 112049411A CN 202010895722 A CN202010895722 A CN 202010895722A CN 112049411 A CN112049411 A CN 112049411A
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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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
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Abstract
The application relates to a roof post-cast strip reinforcing method and a roof bracing structure thereof, which comprises the following steps: step one, designing a node, namely determining the position of a supporting point of a post-cast strip needing to be supported according to a construction drawing; secondly, laying a top plate formwork, and forming holes in a bottom formwork of the top plate; step three, processing the supporting rod, and mounting a bearing plate at one end of the supporting rod; and step four, mounting the supporting rod, replacing the bottom template hole at the corresponding position when the bearing plate at the upper end of the supporting rod is used for supporting the template at the top, and supporting the bottom of the supporting rod on the ground. Through confirming the bracing piece position in advance to the bracing piece is for supporting to make the top accept the board and fill the hole on the die block board, pour at the roof and accomplish and reach intensity after, demolish conventional formwork system, thereby remain the bracing piece and once only accomplish the formwork of post-cast strip both sides roof and pour and later stage supporting work, reduce formwork system and build the number of times, effectively shorten construction cycle, this application has the effect that improves the efficiency of construction.
Description
Technical Field
The application relates to the technical field of building support, in particular to a roof post-cast strip reinforcing method and a roof support structure thereof.
Background
The post-cast strip is a concrete strip reserved at the corresponding position of a foundation slab, a wall and a beam according to the design or construction specification requirement in order to prevent harmful cracks possibly generated by uneven self shrinkage or uneven settlement of a cast-in-place reinforced concrete structure in the building construction.
Referring to fig. 1, in the related art, after pouring, roof plates 8 on two sides of a post-cast strip 81 need to be supported by a traditional steel pipe bent 82, that is, a formwork support body is used as a reinforcing mode, and after the roof plates 8 on two sides of the post-cast strip 81 are supported by a formwork at intervals, the formwork support is rarely carried out at one time, and the support and the back-jacking are carried out after the formwork support bodies on two sides are removed.
With respect to the related art among the above, there are the following drawbacks: the formwork support body is disassembled and assembled secondarily, the repeated labor is realized, and the construction efficiency is influenced.
Disclosure of Invention
In order to improve the construction efficiency of the roof post-cast strip, the application provides a roof post-cast strip reinforcing method and a top bracing structure thereof.
In a first aspect, the application provides a roof post-cast strip reinforcing method, which adopts the following technical scheme:
a roof post-cast strip reinforcing method comprises the following steps:
step one, designing a node, namely determining the position of a supporting point of a post-cast strip needing to be supported according to a construction drawing;
secondly, laying a top plate formwork, and forming holes in a bottom formwork of the top plate;
step three, processing the supporting rod, and mounting a bearing plate at one end of the supporting rod;
and step four, mounting the supporting rod, replacing the bottom template hole at the corresponding position when the bearing plate at the upper end of the supporting rod is used for supporting the template at the top, and supporting the bottom of the supporting rod on the ground.
Through adopting above-mentioned technical scheme, when constructor is to the roof formwork, confirm the bracing piece position in advance, support the bracing piece subaerial, the bottom form that passes the roof with the board of accepting at bracing piece top, fill the hole on the bottom form, accomplish the formwork of roof, pour at the roof and accomplish and reach the intensity after, demolish conventional formwork system, thereby it pours and the later stage work of strutting to remain the bracing piece thereby once only accomplish the formwork of post-cast strip both sides roof, reduce formwork system and build the number of times, effectively shorten construction cycle, and the efficiency of construction is improved.
In a second aspect, the present application provides a roof post-cast strip shore structure, which adopts the following technical scheme:
the utility model provides a roof post-cast strip shore structure, includes the bracing piece and accepts the board, it is in the one end of bracing piece to accept the board rigid coupling.
Through adopting above-mentioned technical scheme, when supporting the roof, support the bracing piece subaerial, make the bracing piece have the one end of accepting the board up, pass the hole on the roof die block board, with the hole shutoff, and be connected with the die block board, pour at the roof and accomplish and the maintenance shaping after, dismantle the die block board, leave the bracing piece, continue to back the top to the roof and strut, reduce the formwork system and build the number of times, effectively shorten construction cycle, improve the efficiency of construction, and the recoverable reuse of bracing piece, improve resource utilization, and guarantee that the roof obtains enough supporting all the time, effectively reduce the amount of deflection deformation of post-cast strip both sides roof, improve the building quality.
Preferably, one end of the support rod, which is far away from the bearing plate, is fixedly connected with a connecting seat connected with the ground.
Through adopting above-mentioned technical scheme, add the connecting seat at the top of bracing piece, improve the area of contact with ground, play the dispersion to the holding power of roof, improve the support stability to the roof.
Preferably, the connecting seat is made of concrete.
Through adopting above-mentioned technical scheme, when retrieving the bracing piece, break up the connecting seat and can demolish the bracing piece, construction cycle is short, improves the stability to the bracing piece support.
Preferably, the coaxial sliding sleeve on the outer wall of bracing piece is equipped with the sliding barrel that is used for clearing up the bracing piece outer wall, be provided with on the bracing piece and be used for driving about the gliding actuating mechanism of sliding barrel.
Through adopting above-mentioned technical scheme, demolising the connecting seat, tear the back out the bracing piece from the concrete connecting seat, through actuating mechanism, order about the sliding cylinder and slide on the bracing piece, scrape down the concrete piece that the outer wall of bracing piece does not break away from through the sliding cylinder, clear up the bracing piece surface fast, be convenient for to retrieving arrangement bracing piece, convenient to use.
Preferably, actuating mechanism includes handle and connecting rod, the one end of handle articulates on the outer wall of bracing piece, the articulated shaft of handle on the bracing piece just is crisscross with the axis of bracing piece is perpendicular, the one end of connecting rod articulates on the lateral wall of handle, the other end articulates on the sliding tube, the articulated shaft at connecting rod both ends all is on a parallel with the axis of rotation of handle on the bracing piece.
Through adopting above-mentioned technical scheme, when constructor cleared up the bracing piece, rotate the handle, through the transmission of connecting rod on hand, drive the sliding barrel and slide on the bracing piece to through the handle increase to the moment of torsion, with the thrust of improvement to the sliding barrel, be convenient for promote the sliding barrel and clear up concrete piece, convenient operation on the bracing piece.
Preferably, be provided with on the bracing piece and be used for restricting handle pivoted locating part, the locating part is the bolt, the otic placode has set firmly on the outer wall on the bracing piece, first perforation has been seted up on the otic placode, set up on the handle with the second perforation of first perforation looks adaptation, wear to establish simultaneously in first perforation and second perforation to the bolt.
Through adopting above-mentioned technical scheme, rotate the handle at constructor, slide the section of thick bamboo and promote to suitable position on the bracing piece, make the handle paste tight bracing piece, the second on the bracing piece is perforated and is aligned with the first perforation of otic placode on the locating part, and it is perforated with first perforation and second simultaneously to pass the bolt this moment, can be fixed with the handle, keeps the section of thick bamboo that slides stable.
Preferably, a gap is arranged between one end of the support rod, which is close to the ground, and the ground.
Through adopting above-mentioned technical scheme, when constructor demolishs the connecting seat, the bracing piece can fall downwards, prevents effectively that both ends face from circling on the concrete about the bracing piece, demolishs more conveniently.
Preferably, the bottom of the supporting rod is coaxially provided with a groove, the edge of the groove is uniformly provided with a plurality of turning plates for opening and closing the opening of the groove along the self circumferential direction, the turning plates are rotatably arranged at the edge of the groove, the turning plates are fixedly connected with connecting pieces, the connecting pieces are positioned on one sides of the turning plates far away from the center of the opening of the groove, and the connecting pieces radially extend out of the edge of the bottom surface of the supporting rod along the supporting rod when the turning plates are parallel to the bottom surface of the supporting.
Through adopting above-mentioned technical scheme, when constructor promoted the sliding cylinder and cleared up the bracing piece surface, the sliding cylinder butt was on the connecting piece that the bracing piece bottom stretches out to promote the connecting piece and rotate downwards, use the axis of rotation that turns over the board as the fulcrum, make turning over of bracing piece bottom to the recess internal rotation, thereby make the cracked separation of concrete that sticks up in bracing piece bottom be the polylith, be convenient for clear up the concrete piece of bracing piece bottom.
Preferably, the support rod is provided with an elastic part for driving the turning plate to rotate to be parallel to the bottom surface of the support rod, the elastic part is a spring, the spring is arranged in the groove, one end of the spring abuts against the inner bottom wall of the groove, and the other end of the spring abuts against the top surface of the turning plate.
Through adopting above-mentioned technical scheme, when using the bracing piece, the spring orders about the polylith simultaneously and turns over the board and outwards rotate from the recess, makes the diapire contact of connection piece and bracing piece to the messenger turns over the board and keeps being with recess opening closed condition, and the convenience is to the shaping connecting seat of bracing piece bottom watering.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the position of the supporting rod is determined in advance, the supporting rod is used as a support, the bearing plate at the top is enabled to fill the hole in the bottom formwork, after the top plate is poured and the strength is achieved, the conventional formwork system is dismantled, the supporting rod is reserved, so that formwork pouring and later-stage supporting work of top plates on two sides of a post-cast strip can be completed at one time, the number of times of building the formwork system is reduced, the construction period is effectively shortened, and the construction efficiency is improved;
2. after the connecting seat is dismantled and the supporting rod is dismantled from the concrete connecting seat, the sliding cylinder is driven to slide on the supporting rod through the driving mechanism, concrete blocks which are not separated from the outer wall of the supporting rod are scraped off through the sliding cylinder, the surface of the supporting rod is quickly cleaned, the supporting rod is convenient to recycle and arrange, and the use is convenient;
3. when constructors demolish the connecting seat, the supporting rod can fall down, the upper end face and the lower end face of the supporting rod are effectively prevented from being encircled on concrete, and demolishment is more convenient.
Drawings
Fig. 1 is an overall structural diagram of the related art.
Fig. 2 is a schematic plan view of the structure of embodiment 1 of the present application.
Fig. 3 is a schematic plan view of embodiment 2 of the present application.
Fig. 4 is a partial sectional structural view of a support rod according to embodiment 2 of the present application.
Fig. 5 is a structural view of an embodiment of a drive mechanism according to embodiment 2 of the present application.
Description of reference numerals: 1. a support bar; 2. a bearing plate; 3. a connecting seat; 4. a sliding cylinder; 5. a drive mechanism; 51. a handle; 52. a connecting rod; 501. a screw rod; 502. a threaded sleeve; 503. a gear; 504. a ring gear; 505. rotating the sleeve; 6. a bolt; 61. an ear plate; 62. a first perforation; 63. a second perforation; 7. a groove; 71. turning over a plate; 72. connecting sheets; 73. a spring; 8. a top plate; 81. post-pouring a belt; 82. a steel pipe bent.
Detailed Description
The present application is described in further detail below with reference to figures 2-5.
The embodiment of the application discloses a method for reinforcing a post-cast strip of a top plate.
Referring to fig. 2, the method includes the following steps:
step one, designing a node, namely determining the position of a supporting point of a post-cast strip 81 needing to be supported according to a construction drawing;
secondly, a top plate 8 formwork is laid, and a bottom formwork of the top plate 8 is provided with a hole during laying, wherein the size of the hole is consistent with that of the bearing plate 2;
step three, processing the supporting rod 1, wherein the height of the supporting rod 1 is determined by the net height below the top plate 8, an application part mark is well made before use, and a bearing plate 2 is welded at one end of the supporting rod 1;
and step four, mounting the support rod 1, replacing a bottom formwork hole at a corresponding position when the bearing plate 2 at the upper end of the support rod 1 is used for supporting a formwork at the top, binding the top plate 8 with a bottom formwork reinforcing steel bar, and supporting the bottom of the support rod 1 on the ground.
In order to improve the verticality of the support rod 1, in the installation process of the support rod 1, the support rod 1 is connected with a steel pipe in a common support system of a bottom template through a hoop, and the verticality of the support rod 1 is adjusted.
In order to facilitate the later-stage disassembly of the support rod 1, a release agent is coated on the top wall of the bearing plate 2, and the bearing plate 2 is separated from the top plate 8 when the support rod 1 is disassembled conveniently.
After the top plate 8 is maintained and fixed, the supporting system of the top plate 8 is removed, the supporting rod 1 is left, and the supporting rod 1 continues to support the top plate 8 in a back-up mode. The construction of a supporting system is saved, and the construction efficiency is improved. After the template is dismantled, the surface of the supporting rod 1 is coated with antirust and red-white warning coatings respectively, so that the effects of antirust protection and warning other people are achieved on the surface of the supporting rod 1.
The embodiment of the application also discloses a roof post-cast strip shore structure.
Example 1
Referring to fig. 2, the support rod 1 and the bearing plate 2 are included, the support rod 1 is made of i-shaped steel, the bearing plate 2 is welded to the top end of the i-shaped steel, and a steel plate is welded to the lower end of the i-shaped steel to serve as a support upright. The length and the position of the I-shaped steel are determined before the formwork is erected. The bearing plate 2 at the upper end replaces the template hole at the corresponding position when the top plate 8 supports the template, and the supporting upright at the lower end is supported on the ground.
And (4) after the concrete of the top plate 8 reaches the strength, removing the formwork system and keeping the I-steel. The I-shaped steel is in a solid concrete structure, is properly stressed and is relatively safe. The I-steel can be repeatedly utilized, and the resource utilization rate is high. The supporting rod 1 does not need to be disassembled and assembled for the second time, and the construction period is greatly shortened.
Example 2
Referring to fig. 3, the supporting rod comprises a supporting rod 1 and a bearing plate 2, wherein the supporting rod 1 is a round steel pipe. The position of the supporting rod 1 is determined before the formwork is erected, and the length of the supporting rod is smaller than the clear height of the top plate 8. The bearing plate 2 is welded on the top end of the support rod 1. The bottom end of the support rod 1 is fixedly connected with the connecting seat 3, and the connecting seat 3 is fixedly connected with the ground, so that the support rod 1 keeps a gap with the ground.
In this embodiment, the connecting seat 3 is formed by pouring concrete. Firstly, the support rods 1 are connected by using the anchor ears, the support rods 1 leave the ground, and the corrugated pipes are sleeved at the bottoms of the support rods 1 so as to be placed on the ground. And then concrete is poured into the corrugated pipe, and the support rod 1 is fixed after the connecting seat 3 is formed. When dismantling, support earlier 1 upper portions of bracing piece, smash connecting seat 3 again, make 1 bottoms of bracing piece unsettled, can be convenient pull down bracing piece 1 from roof 8.
Referring to fig. 3 and 4, in order to clean the concrete block adhered to the outer wall of the disassembled support rod 1, a sliding sleeve is slidably sleeved on the outer wall of the support rod 1. The inner diameter of the sliding sleeve is matched with the outer diameter of the support rod 1, a conical surface is arranged at one end, close to the bottom of the support rod 1, of the sliding sleeve, and the end, smaller in size, of the conical surface is close to the bottom end of the sliding cylinder 4. The coaxial welding in the top that lies in slide cartridge 4 on the outer wall of bracing piece 1 has a guide ring, has seted up a plurality of guiding holes along the axial of bracing piece 1 on the guide ring, and the vertical welded fastening in top of slide cartridge 4 has the guide bar, and the guide bar is worn to establish in the guiding hole, to the guide effect that plays of slide cartridge 4.
Referring to fig. 3 and 4, in order to drive the sliding cylinder 4 to slide on the supporting rod 1, a driving mechanism 5 for driving the sliding cylinder 4 to slide is arranged on the supporting rod 1. In the present embodiment, the drive mechanism 5 includes a handle 51 and a link 52. One end of the handle 51 is hinged on the outer wall of the support rod 1, and the other end is sleeved with an anti-skid rubber sleeve. The connecting rod 52 has one end hinged to the side wall of the handle 51 and the other end hinged to the sliding cylinder 4. The hinged shafts at the two ends of the connecting rod 52 and the hinged shaft of the handle 51 on the supporting rod 1 are parallel to each other and vertically staggered with the axis of the supporting rod 1. When the expansion end of the handle 51 upwards rotates to the joint support rod 1, the sliding cylinder 4 upwards slides on the support rod 1 and is higher than the connecting seat 3, and when the expansion end of the handle 51 downwards rotates to the joint support rod 1, the sliding cylinder 4 downwards slides on the support rod 1 and extends out of the bottom of the connecting rod.
Referring to fig. 3 and 4, in order to fix the position of the handle 51 when the movable end of the handle 51 is rotated upward to be attached to the support rod 1, the support rod 1 is further provided with a stopper for limiting the rotation of the handle 51. In this embodiment, the limiting member is a pin 6. The outer wall of the support rod 1 is welded with an ear plate 61 attached to one side of the handle 51, the ear plate 61 is provided with a first through hole 62 for the adaptive bolt 6 to penetrate through, and the handle 51 is provided with a second through hole 63 for the adaptive bolt 6. When the handle 51 is rotated upwards to fit the support rod 1, the first through hole 62 is aligned with the second through hole 63, and the bolt 6 is inserted into the first through hole 62 and the second through hole 63 to fix the handle 51. The through hole is radially seted up along self to the one end that bolt 6 inserted and passed two fenestrations, through passing the bayonet lock in the through hole, can prevent effectively that bolt 6 from extracting from two fenestrations, prevents irrelevant personnel operation.
In other embodiments, the stop member may be a bolt. The handle 51 is provided with an opening facing the support rod 1 in a penetrating manner, the support rod 1 is provided with a threaded hole matched with a bolt, and the bolt penetrates through the opening in the handle 51 and then is connected to the threaded hole in the support rod 1 in a threaded manner, so that the handle 51 is fixed.
Referring to fig. 3, 5, in other embodiments, the drive mechanism 5 includes a lead screw 501, a threaded sleeve 502, a gear 503, a ring gear 504, and a rotating sleeve 505. The rotating sleeve 505 is coaxially and rotatably mounted on the outer wall of the support rod 1 above the sliding cylinder 4. The lead screw 501 is parallel to the axis of the sliding barrel 4 and is fixedly connected to the top wall of the sliding barrel 4, the threaded sleeve 502 is rotatably mounted on one side of the supporting rod 1 by welding a support on the outer wall of the supporting rod 1, and the threaded sleeve 502 is sleeved on the lead screw 501 in a threaded manner. The gear ring 504 is coaxially fixed on the rotating sleeve 505, the gear 503 is coaxially sleeved on the threaded sleeve 502, and the gear ring 504 is meshed with the gear 503. The gear ring 504, the gear 503 and the threaded sleeve 502 are driven to rotate by rotating the rotating sleeve 505, and the sliding cylinder 4 is driven to move by the threaded transmission of the threaded sleeve 502 and the screw rod 501.
Referring to fig. 3 and 4, in order to crush and split the concrete block adhered to the bottom of the support rod 1, a groove 7 is coaxially formed in the bottom of the support rod 1, a plurality of turning plates 71 in a fan shape are rotatably mounted on the edge of the groove 7, and when the turning plates 71 are turned to be horizontal, the openings of the groove 7 are closed. A connecting sheet 72 which is flush with the turning plate 71 is welded on the other side of the turning plate 71, which is positioned at the hinged shaft and away from the opening of the groove 7, and after the opening of the groove 7 is closed by the turning plate 71, the connecting sheet 72 extends out of the edge of the bottom of the supporting rod. When the sliding cylinder 4 slides downwards on the support rod 1, the connecting sheet 72 is abutted, the turning plate 71 is driven to rotate towards the groove 7, and therefore concrete blocks adhered to the bottom of the support rod 1 are forced to be broken and separated.
Referring to fig. 3 and 4, in order to keep the turning plate 71 in a state of closing the opening of the groove 7 when the support rod 1 is installed, an elastic member for driving the turning plate 71 to rotate towards the opening of the groove 7 is arranged in the groove 7. In this embodiment, the elastic member is a spring 73, the spring 73 is disposed in the groove 7, one end of the spring 73 abuts against the inner bottom wall of the groove 7, and the other end abuts against a surface of the flap 71 facing the groove 7.
The implementation principle of the embodiment 2 is as follows: when supporting the top plate 8, the supporting rod 1 is supported on the ground, so that one end of the supporting rod 1, which is provided with the bearing plate 2, faces upwards, penetrates through the hole in the bottom formwork of the top plate 8, plugs the hole, and is tightly connected with the bottom formwork through a steel wire. After the top plate 8 is poured and cured, the bottom formwork is detached, the supporting rods 1 are left, and the top plate 8 continues to be supported in a back-up mode. The number of times of building a formwork system is reduced, the construction period is effectively shortened, and the construction efficiency is improved. The supporting rod 1 can be recycled, so that the resource utilization rate is improved; and the roof 8 is ensured to be supported sufficiently all the time, the deflection deformation of the roof 8 at the two sides of the post-cast strip 81 is effectively reduced, and the building quality is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A roof post-cast strip reinforcing method is characterized by comprising the following steps:
step one, node design, namely determining the position of a supporting point of a post-cast strip (81) needing to be supported according to a construction drawing;
secondly, a top plate (8) template is laid, and a bottom template of the top plate (8) is provided with a hole;
step three, processing the support rod (1), and installing a bearing plate (2) at one end of the support rod (1);
and step four, mounting the support rod (1), replacing a bottom formwork hole at a corresponding position when the bearing plate (2) at the upper end of the support rod (1) is used for supporting a formwork at the top, and supporting the bottom of the support rod (1) on the ground.
2. A roof post-cast strip shoring structure based on the roof (8) post-cast strip (81) reinforcement method of claim 1, characterized in that: the supporting rod comprises a supporting rod (1) and a bearing plate (2), wherein the bearing plate (2) is fixedly connected to one end of the supporting rod (1).
3. The roof slab post-cast strip shoring structure of claim 2, wherein: one end of the support rod (1) far away from the bearing plate (2) is fixedly connected with a connecting seat (3) connected with the ground.
4. A roof strip shoring structure of claim 3, wherein: the connecting seat (3) is made of concrete.
5. The roof slab post-cast strip shoring structure of claim 4, wherein: the coaxial sliding sleeve on the outer wall of bracing piece (1) is equipped with a sliding cylinder (4) that is used for clearing up bracing piece (1) outer wall, be provided with on bracing piece (1) and be used for driving about gliding actuating mechanism (5) of sliding cylinder (4).
6. The roof slab post-cast strip shoring structure of claim 5, wherein: the driving mechanism (5) comprises a handle (51) and a connecting rod (52), one end of the handle (51) is hinged to the outer wall of the supporting rod (1), the hinged shaft of the handle (51) on the supporting rod (1) is perpendicular to the axis of the supporting rod (1) and staggered, one end of the connecting rod (52) is hinged to the side wall of the handle (51), the other end of the connecting rod is hinged to the sliding barrel (4), and the hinged shafts at the two ends of the connecting rod (52) are parallel to the rotating axis of the handle (51) on the supporting rod (1).
7. The roof slab post-cast strip shoring structure of claim 6, wherein: be provided with on bracing piece (1) and be used for restricting handle (51) pivoted locating part, the locating part is bolt (6), otic placode (61) has set firmly on the outer wall on bracing piece (1), first perforation (62) have been seted up on otic placode (61), handle (51) are last to be seted up with second perforation (63) of first perforation (62) looks adaptation, bolt (6) are worn to establish simultaneously in first perforation (62) and second perforation (63).
8. The roof slab post-cast strip shoring structure of claim 5, wherein: a gap is arranged between one end of the support rod (1) close to the ground and the ground.
9. The roof strip shoring structure of claim 8, wherein: the bottom of the supporting rod (1) is coaxially provided with a groove (7), the edge of the groove (7) is uniformly provided with a plurality of turning plates (71) used for opening and closing the opening of the groove (7) along the self circumferential direction, the turning plates (71) are rotatably arranged at the edge of the groove (7), a connecting sheet (72) is fixedly connected onto the turning plates (71), the connecting sheet (72) is positioned on one side, away from the opening center of the groove (7), of the turning plates (71), and when the turning plates (71) are parallel to the bottom surface of the supporting rod (1), the connecting sheet (72) radially extends out of the bottom surface edge of the supporting rod (1) along the supporting rod.
10. The roof strip shoring structure of claim 9, wherein: the support rod (1) is provided with an elastic piece used for driving the turning plate (71) to rotate to be parallel to the bottom surface of the support rod (1), the elastic piece is a spring (73), the spring (73) is arranged in the groove (7), one end of the spring (73) abuts against the inner bottom wall of the groove (7), and the other end of the spring (73) abuts against the top surface of the turning plate (71).
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| CN202010895722.3A CN112049411B (en) | 2020-08-31 | 2020-08-31 | Roof post-cast strip reinforcing method and roof bracing structure thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010895722.3A CN112049411B (en) | 2020-08-31 | 2020-08-31 | Roof post-cast strip reinforcing method and roof bracing structure thereof |
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| CN112609980A (en) * | 2020-12-18 | 2021-04-06 | 中国建筑第四工程局有限公司 | Construction method of post-cast strip back-jacking aluminum alloy single-column |
| CN114482529A (en) * | 2022-03-21 | 2022-05-13 | 中国建筑第四工程局有限公司 | Back-jacking construction method for post-cast strip galvanized steel pipe support frame |
| CN115262955A (en) * | 2022-08-23 | 2022-11-01 | 中国十七冶集团有限公司 | Construction method of profile steel post-cast strip independent support system |
| CN116290911A (en) * | 2023-03-10 | 2023-06-23 | 中国十七冶集团有限公司 | Post-pouring belt supporting device and construction method thereof |
| CN117166756A (en) * | 2023-08-09 | 2023-12-05 | 上海宝冶集团有限公司 | Basement roof post-pouring strip reinforcement supporting system and construction method |
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| CN112609980A (en) * | 2020-12-18 | 2021-04-06 | 中国建筑第四工程局有限公司 | Construction method of post-cast strip back-jacking aluminum alloy single-column |
| CN114482529A (en) * | 2022-03-21 | 2022-05-13 | 中国建筑第四工程局有限公司 | Back-jacking construction method for post-cast strip galvanized steel pipe support frame |
| CN115262955A (en) * | 2022-08-23 | 2022-11-01 | 中国十七冶集团有限公司 | Construction method of profile steel post-cast strip independent support system |
| CN116290911A (en) * | 2023-03-10 | 2023-06-23 | 中国十七冶集团有限公司 | Post-pouring belt supporting device and construction method thereof |
| CN117166756A (en) * | 2023-08-09 | 2023-12-05 | 上海宝冶集团有限公司 | Basement roof post-pouring strip reinforcement supporting system and construction method |
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Address after: No. 333, Lane 2638, Hongmei South Road, Minhang District, Shanghai 201100 Patentee after: Shanghai Jiashu Construction Group Co.,Ltd. Address before: No. 333, Lane 2638, Hongmei South Road, Minhang District, Shanghai 201100 Patentee before: SHANGHAI JIASHU CONSTRUCTION PROJECT Co.,Ltd. |