CN110424730B - Anti-overflow slurry clamping groove type cylindrical formwork and construction method - Google Patents
Anti-overflow slurry clamping groove type cylindrical formwork and construction method Download PDFInfo
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- CN110424730B CN110424730B CN201910688110.4A CN201910688110A CN110424730B CN 110424730 B CN110424730 B CN 110424730B CN 201910688110 A CN201910688110 A CN 201910688110A CN 110424730 B CN110424730 B CN 110424730B
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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
- E04G13/021—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 for circular columns
Abstract
The invention discloses a mortar overflow prevention clamping groove type cylindrical formwork and a construction method, and belongs to the technical field of building cylindrical formworks. At least comprises two circular arc templates, wherein both ends of the two circular arc templates are fixedly connected with first connecting pieces, the first connecting pieces are provided with first connecting holes, the outer walls of the two circular arc templates are fixedly connected with reinforcing rib plates and connecting steel plates, two ends of one circular arc template are fixedly connected with second connecting pieces, the two second connecting pieces are respectively provided with a second connecting hole, a positioning groove and a flow choking groove, the equal fixedly connected with third connecting piece in both ends of its convex template of one, be equipped with third connecting hole, setting element and choked flow piece on two third connecting pieces, the same fourth connecting piece of jogged joint in third connecting hole and the second connecting hole, setting element and constant head tank cooperation, choked flow piece and choked flow groove cooperation can prevent effectively that the cylinder template seam from overflowing thick liquid, leaking the production of thick liquid when the concrete construction, can also guarantee the straightness and the construction quality that hang down of its concrete simultaneously.
Description
Technical Field
The invention belongs to the technical field of cylindrical templates for buildings, and particularly relates to a slurry overflow prevention clamping groove type cylindrical template and a construction method.
Background
At present, in many domestic building projects, a frame column is in a cylindrical form, and in order to increase the turnover rate of a template and improve the forming effect of concrete during construction, the project usually adopts a cylindrical template. When the cylindrical formwork is constructed, butt joint and abutted joints in the vertical direction and the circumferential direction are needed, but the existing cylindrical formwork cannot be well butted in the abutted joints without any gap, so that the phenomenon of slurry leakage and slurry leakage of concrete in the concrete at the abutted joints can be caused when concrete of the column is poured, the forming effect of the concrete is seriously influenced, and the appearance quality of the formed concrete column is poor. Especially for the clear water concrete column that one shot forming does not have the secondary and plasters, run thick liquid and leak thick liquid phenomenon and more directly lead to the impression effect not good, still need follow-up manual work to polish, waste time and energy.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the anti-overflow slurry clamping groove type cylindrical template and the construction method thereof, which can effectively prevent slurry overflow and slurry leakage of the joint of the cylindrical template during concrete construction, and can ensure the verticality and construction quality of concrete, thereby achieving the purposes of attractive concrete column forming, neat construction site and concrete material saving.
In order to achieve the purpose, the invention adopts the following scheme:
a slurry overflow prevention clamping groove type cylindrical template at least comprises two circular arc templates, wherein both ends of the two circular arc templates are fixedly connected with a first connecting piece, the first connecting piece is provided with a first connecting hole, the outer walls of the two circular arc templates are fixedly connected with a reinforcing rib plate and a connecting steel plate, two ends of one of the circular arc templates are fixedly connected with second connecting pieces, the two second connecting pieces are respectively provided with a second connecting hole, a positioning groove and a flow choking groove, the two ends of one of the circular arc-shaped templates are fixedly connected with third connecting pieces, the two third connecting pieces are provided with third connecting holes, positioning pieces and flow blocking pieces, the third connecting hole is the same as the second connecting hole in size, the same fourth connecting piece is connected in the third connecting hole and the second connecting hole in a matching mode, the positioning piece is matched with the positioning groove, and the flow resisting piece is matched with the flow resisting groove.
Further, the connection steel plate is set up for circumference, the connection steel plate is the narrow wide structure setting in the middle of both ends, the middle part fixedly connected with stiffener of connection steel plate, the outside cover of stiffener is equipped with the pull ring.
Furthermore, through holes are formed in the second connecting piece and the third connecting piece, a rope groove is formed in the outer wall of the connecting steel plate, and the groove surface center line of the rope groove is coplanar with the axis of the through hole.
Furthermore, a centering hole and a sinking groove are formed in the first connecting piece, and the centering hole and the first connecting hole are arranged in a staggered mode.
Furthermore, the fourth connecting piece includes connecting portion, fixed part and rotating part, the one end and the rotating part accordant connection of connecting portion, the other end and the fixed part fixed connection of connecting portion, all be equipped with a ring spare on fixed part and the rotating part.
Furthermore, a hook part is arranged on the positioning part, and the hook part is of a conical structure with a narrow upper end and a wide lower end.
The invention also discloses a construction method of the anti-overflow slurry clamping groove type cylindrical formwork, which comprises the following steps:
step one, preparation work: pouring a concrete bottom platform, embedding bolts, binding column reinforcements of the designed column, and installing fixed pulleys, a winch and a fixed rod in the peripheral area of the designed column after acceptance check is completed;
step two, assembling the circular arc-shaped templates: inserting the positioning piece into the positioning groove, ensuring the cooperation of the flow blocking groove and the flow blocking piece, moving the positioning piece until the hook part is clamped with the second connecting piece, sequentially penetrating the connecting part of the fourth connecting piece through the third connecting hole and the second connecting hole and connecting the connecting part with the rotating part, and adjusting the rotating part until the third connecting piece and the second connecting piece are tightly connected to obtain a cylindrical template;
step three, mounting the cylindrical template: the method comprises the steps that a rope of a hoisting device is hooked on a lifting ring on a connecting rod, a cylindrical template is moved to the outer side of a column rib, a sealing gasket is arranged in a sinking groove in a first connecting piece of the cylindrical template, the position of a first connecting hole in the first connecting piece at the bottom of the cylindrical template is adjusted to be matched with an embedded bolt, one end of a steel rope sequentially penetrates through two through holes and is hooped in a rope groove of a connecting steel plate to be connected with a fixing piece, the other end of the steel rope bypasses a positioning wheel and is connected with a winch, the steel rope is tightened by the winch to fixedly install the cylindrical template, and the process is repeated until the height reaches the design height;
step four, disassembling the cylindrical template: after the poured concrete reaches a certain strength, connecting the concrete to a first connecting hole in the top of a cylindrical template to be dismantled by using an auxiliary tool, hooking a hanging ring of a connecting rod by using a rope of a hoisting device through the auxiliary tool, dismantling a connecting bolt at the bottom of the concrete, a fourth connecting piece for connecting a second connecting piece and a third connecting piece and a steel rope hooped in a rope groove of a connecting steel plate, removing the arc-shaped template with a positioning piece, then removing the arc-shaped template with the positioning groove, and finally separating the embedded bolt from the first connecting hole in the bottom of the cylindrical template until all the embedded bolt and the first connecting hole in the bottom of the cylindrical template are removed;
and step five, curing the concrete column.
Further, in the third step, when the cylindrical templates are vertically installed, the centering holes are utilized for centering, and the upper cylindrical template and the lower cylindrical template are fixedly connected by using the connecting bolts.
Furthermore, appurtenance includes the ring cover, the articulated bracing piece that is connected with in the outside of ring cover, the bracing piece is kept away from ring cover one end articulated be connected with first connecting hole complex connecting bolt.
Compared with the prior art, the invention can obtain the following technical effects:
1. the positioning groove and the positioning piece are arranged in the concrete pouring basin, so that the second connecting piece and the third connecting piece can be connected quickly, the upper cylindrical template and the lower cylindrical template can be assembled quickly through the centering hole, the mounting efficiency is improved, the concrete can be effectively blocked on the inner side of the arc-shaped template through the flow blocking groove and the flow blocking piece, the slurry leakage or slurry overflow is prevented, the upper connecting surface and the lower connecting surface can be sealed through the sealing gasket arranged in the sinking groove, the slurry leakage or slurry overflow is prevented, and the concrete construction quality is further guaranteed.
2. According to the invention, the reinforcing rib plates and the connecting steel plates are fixed on the outer wall of the circular arc-shaped template, and the stress of the middle part of the circular arc-shaped template is larger than that of the connecting structures arranged at the two ends, so that the deformation is easy to occur during concrete pouring, the slurry leakage is easy to influence the quality of the concrete column, the connecting steel plates are arranged in a structure with a wide middle and narrow two ends, the strength of the connecting steel plates is ensured, and the problems of mold running and slurry leakage are prevented during concrete pouring.
3. According to the invention, the reinforcing rod is fixed in the middle of the connecting steel plate, the pull ring is sleeved on the outer side of the reinforcing rod, the pull ring positioned on the outer side of the reinforcing rod is convenient to install during hoisting, the through holes are formed in the second connecting piece and the third connecting piece, the rope groove is formed in the outer wall of the connecting steel plate, and the central line of the groove surface of the rope groove is coplanar with the axis of the through hole. The steel rope hoops are utilized to fix the circular arc-shaped templates left and right in the rope grooves, so that the verticality of the cylindrical templates is effectively guaranteed.
4. According to the invention, the second connecting piece and the third connecting piece are assembled by the fourth connecting piece, the fourth connecting piece comprises a connecting part, a fixing part and a rotating part, the fixing part and the rotating part are respectively provided with a ring piece, the second connecting piece and the third connecting piece are fastened by adjusting the rotating part, and simultaneously, the flow resisting piece and the flow resisting groove can be tightly attached to each other to further ensure the blocking effect, when the verticality of the cylindrical template is ensured, the steel rope hooped in the rope groove can be switched by using the ring pieces, so that the verticality and the resistance capability are further ensured to be enhanced.
5. When the auxiliary tool is used, the fixed pulley, the winch, the fixing piece, the steel rope and the auxiliary tool are utilized, the steel rope is hooped in the rope groove, and the winch and the fixed pulley are utilized to tighten the steel rope so as to ensure the verticality of the steel rope, and meanwhile, the auxiliary tool is matched with the first connecting hole and the pull ring outside the reinforcing rod to effectively prevent the template from colliding with a poured concrete column to influence the appearance and the construction quality of the concrete column when the template is disassembled.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of a circular arc template of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a schematic view of the overall structure of a fourth connecting member according to the present invention;
FIG. 5 is a plan view of a circular arc-shaped form with locating slots in accordance with the present invention;
FIG. 6 is a plan view of a circular arc form with locating elements according to the present invention;
FIG. 7 is a diagram showing the connection between the positioning element and the positioning slot of the present invention;
FIG. 8 is a side view of a connecting steel plate according to the present invention;
FIG. 9 is a working diagram of the present invention for disassembling the cylindrical form after the concrete is poured.
In the figure: 1. a circular arc-shaped template; 2. a first connecting member; 3. a first connection hole; 4. sinking a groove; 5. reinforcing rib plates; 6. connecting steel plates; 7. a second connecting member; 8. a second connection hole; 9. positioning a groove; 10. a flow-blocking groove; 11. a third connecting member; 12. a third connection hole; 13. a positioning member; 14. a flow-impeding component; 15. a fourth connecting member; 151. a connecting portion; 152. a fixed part; 153. a rotating part; 16. a reinforcing bar; 17. a pull ring; 18. a through hole; 19. a rope groove; 20. centering holes; 21. a fixed pulley; 22. a winch; 23. fixing the rod; 24. a steel cord; 25. an auxiliary tool; 251. sleeving a ring; 252. a support rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1:
as shown in fig. 1 to 8, an anti-overflow thick liquid draw-in groove formula cylinder template, including two convex template 1, the both ends of two convex template 1 are all welded fastening has first connecting piece 2, first connecting hole 3 has been seted up on first connecting piece 2, utilize first connecting hole 3 on first connecting piece 2 and use connecting bolt to assemble two upper and lower convex template 1, equal fixedly connected with deep floor 5 and steel connecting plate 6 on two convex template 1's the outer wall, steel connecting plate 6 is circumference setting, steel connecting plate 6 is the narrow crescent structure of width in the middle of both ends, steel connecting plate 6's middle part fixedly connected with stiffener 16, the outside cover of stiffener 16 is equipped with pull ring 17. Because the stress of circular arc template 1 in the middle part is great relatively with the connection structure's that both ends were equipped with stress, takes place to warp easily when concreting and leads to leaking thick liquid and influence the concrete column quality, so the wide both ends narrow structure setting in middle part is adopted to connecting steel plate 6, guarantees its intensity, prevents to appear running the mould and leaking thick liquid problem when concreting, and the pull ring 17 that lies in the stiffener 16 outside simultaneously is convenient for installation work when hoist and mount.
The two ends of one circular arc-shaped template 1 are fixedly welded with second connecting pieces 7, the two second connecting pieces 7 are respectively provided with a second connecting hole 8, a positioning groove 9 and a flow blocking groove 10, the two ends of the other circular arc-shaped template 1 are respectively fixedly connected with third connecting pieces 11, the two third connecting pieces 11 are respectively provided with a third connecting hole 12, a positioning piece 13 and a flow blocking piece 14, the third connecting holes 12 and the second connecting holes 8 are the same in size, the positioning piece 13 is provided with a hook part, and the hook part is of a conical structure with a narrow upper end and a wide lower end. The locating piece 13 is clamped by the second connecting piece 7 at the position of the hook part and the locating groove 9 to realize the rapid assembly work of a single cylindrical formwork, the circular arc-shaped formwork 1 is prevented from deviating in the assembly process, and the flow resisting piece 14 and the flow resisting groove 10 are matched to effectively block the internal concrete grout in the circular arc-shaped formwork 1 so as to ensure the construction quality of the concrete grout.
The same fourth connecting piece 15 is connected in the third connecting hole 12 and the second connecting hole 8 in a matching manner, the fourth connecting piece 15 comprises a connecting portion 151, a fixing portion 152 and a rotating portion 153, one end of the connecting portion 151 is in threaded connection with the rotating portion 153, the other end of the connecting portion 151 is fixedly welded with the fixing portion 152, and a ring piece is arranged on each of the fixing portion 152 and the rotating portion 153. The tight connection of the second connection part 7 and the third connection part 11 by the adjusting rotation part 153 enables the close fit of the choke piece 14 and the choke groove 10, and thus an efficient blocking effect is achieved.
In the embodiment, it is further preferable that the second connecting member 7 and the third connecting member 11 are provided with through holes 18, the outer wall of the connecting steel plate 6 is provided with rope grooves 19, the groove center line of the rope groove 19 is coplanar with the axis of the through hole 18, and the perpendicularity of the formwork can be maintained when concrete is poured into the formwork in the rope groove 19 by penetrating the through hole 18 with an external steel rope and hooping the rope groove 19.
In the embodiment, it is further preferable that the first connecting member 2 is provided with a centering hole 20 and a sinking groove 4, the centering hole 20 and the first connecting hole 3 are arranged in a staggered manner, when the upper and lower arc-shaped formworks 1 are connected, the assembly can be quickly realized by using the centering hole 20, and meanwhile, a sealing gasket can be arranged in the sinking groove 4 for slurry leakage prevention treatment.
Example 2:
as shown in fig. 9, a construction method of a grout overflow prevention clamping groove type cylindrical formwork comprises the following steps:
step one, preparation work: pouring a concrete bottom platform, embedding bolts (providing convenience for installation of a subsequent cylindrical template at the bottom layer), binding column reinforcements of the designed column, and installing a fixed pulley 21, a winch 22 and a fixed rod 23 in the peripheral area of the designed column after acceptance check is finished;
step two, assembling the circular arc-shaped template 1: the positioning part 13 is inserted into the positioning groove 9, the matching of the choke groove 10 and the choke piece 14 is guaranteed, the rapid assembly is realized, the positioning part 13 is moved until the hook part is clamped with the second connecting part 7 to prevent the deviation when the second connecting part 7 and the third connecting part 11 are connected, the connecting part 151 of the fourth connecting part 15 sequentially penetrates through the third connecting hole 12 and the second connecting hole 8 and is connected with the rotating part 153, and the rotating part 153 is adjusted to be tightly connected with the third connecting part 11 and the second connecting part 7, so that the choke piece 14 and the choke groove 10 can be tightly attached to each other to realize the efficient blocking effect, and finally, the cylindrical template is obtained;
step three, mounting the cylindrical template: the method comprises the steps of hooking a pull ring 17 on a reinforcing rod 16 by using a rope of a hoisting device, moving a cylindrical template to the outer side of a column rib, installing a sealing gasket in a sunken groove 4 on a first connecting piece 2 of the cylindrical template, sealing the bottom of the bottom cylindrical template and a concrete bottom platform by using the sealing gasket to prevent slurry leakage, adjusting the position of a first connecting hole 3 on the first connecting piece 2 at the bottom of the cylindrical template to be matched with a pre-embedded bolt, sequentially penetrating two through holes 18 by using one end of a steel rope 24, hooping in a rope groove 19 of a connecting steel plate 6 and connecting with a fixing rod 23, winding a fixed pulley 21 by using the other end of the steel rope 24 and connecting with a winding machine 22, (only two steel ropes 24 are required for being connected in a rope groove 19 of the connecting steel plate 6 at the outer side of different arc-shaped templates 1 in a staggered manner for a single cylindrical template) tightening the steel rope 24 by using the winding machine 22 to fixedly install the cylindrical template and ensure that the verticality is prevented from generating deviation when concrete is poured, the design height is reached by the analogy (when the cylindrical templates are installed up and down, the centering holes 20 are utilized for centering, and the upper cylindrical template and the lower cylindrical template are fixedly connected by using the connecting bolts);
step four, disassembling the cylindrical template: after the poured concrete reaches a certain strength, the auxiliary tool 25 is connected to the first connecting hole 3 at the top of the cylindrical template to be dismantled, the auxiliary tool 25 is used, the auxiliary tool 25 comprises a ring sleeve 251, the outer side of the ring sleeve 251 is hinged with a support rod 252, one end of the support rod 252, far away from the ring sleeve 251, is hinged with a connecting bolt matched with the first connecting hole 3, a rope of a hoisting device penetrates through the ring sleeve 251 to hook a pull ring 17 of a reinforcing rod 16, then the connecting bolt at the bottom of the support rod 252, a fourth connecting piece 15 connecting a second connecting piece 7 and a third connecting piece 11 and a steel rope 24 hooped in a rope groove 19 of a connecting steel plate 6 are dismantled, the circular arc template 1 with a positioning piece 13 is removed firstly, then the circular arc template 1 with the positioning groove 9 is moved away, so that the circular arc template 1 is prevented from colliding with the poured concrete, the appearance of the concrete is prevented from being influenced, and finally the embedded bolt is separated from the first connecting hole 3 at the bottom of the cylindrical template, to all removal;
and step five, curing the concrete column.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (3)
1. The construction method of the mortar overflow prevention clamping groove type cylindrical formwork is characterized by comprising at least two arc-shaped formworks (1), wherein the two ends of each arc-shaped formwork (1) are fixedly connected with first connecting pieces (2), the first connecting holes (3) are formed in the first connecting pieces (2), the two outer walls of the arc-shaped formworks (1) are fixedly connected with reinforcing rib plates (5) and connecting steel plates (6), one of the reinforcing rib plates and the connecting steel plates is one of the two ends of each arc-shaped formwork (1) are fixedly connected with second connecting pieces (7), the two second connecting holes (8), positioning grooves (9) and flow blocking grooves (10) are formed in the second connecting pieces (7), one of the connecting holes is fixedly connected with third connecting pieces (11), and the two third connecting pieces (11) are provided with third connecting holes (12), The positioning piece (13) and the flow blocking piece (14), the third connecting hole (12) and the second connecting hole (8) are the same in size, the same fourth connecting piece (15) is connected in the third connecting hole (12) and the second connecting hole (8) in a matching mode, a hook portion is arranged on the positioning piece (13), the positioning piece (13) is matched with the positioning groove (9), and the flow blocking piece (14) is matched with the flow blocking groove (10);
through holes (18) are formed in the second connecting piece (7) and the third connecting piece (11), a rope groove (19) is formed in the outer wall of the connecting steel plate (6), and the center line of the groove surface of the rope groove (19) is coplanar with the axis of the through hole (18);
the fourth connecting piece (15) comprises a connecting part (151), a fixing part (152) and a rotating part (153), one end of the connecting part (151) is connected with the rotating part (153) in a matching mode, the other end of the connecting part (151) is fixedly connected with the fixing part (152), and a ring piece is arranged on each of the fixing part (152) and the rotating part (153);
the connecting steel plates (6) are arranged in the circumferential direction, the connecting steel plates (6) are arranged in a structure with two narrow ends and a wide middle part, a reinforcing rod (16) is fixedly connected to the middle part of each connecting steel plate (6), and pull rings (17) are sleeved on the outer sides of the reinforcing rods (16);
the first connecting piece (2) is provided with a centering hole (20) and a sinking groove (4), and the centering hole (20) and the first connecting hole (3) are arranged in a staggered manner;
the construction method of the anti-overflow slurry clamping groove type cylindrical formwork comprises the following steps:
step one, preparation work: pouring a concrete bottom platform, embedding bolts, binding column reinforcements of the designed column, and installing a fixed pulley (21), a winch (22) and a fixed rod (23) in the peripheral area of the designed column after acceptance check is finished;
step two, assembling the circular arc-shaped template (1): inserting a positioning part (13) into the positioning groove (9), ensuring the cooperation of a choke groove (10) and a choke piece (14), moving the positioning part (13) to the hook part to be clamped with the second connecting part (7), sequentially penetrating a connecting part (151) of a fourth connecting part (15) through a third connecting hole (12) and a second connecting hole (8) and connecting the connecting part with a rotating part (153), and adjusting the rotating part (153) to tightly connect the third connecting part (11) and the second connecting part (7) to obtain a cylindrical template;
step three, mounting the cylindrical template: the method comprises the steps that a pull ring (17) of a hoisting device is hooked on a reinforcing rod (16) through a rope, a cylindrical template is moved to the outer side of a column rib, a sealing gasket is installed in a sinking groove (4) formed in a first connecting piece (2) of the cylindrical template, the position of a first connecting hole (3) formed in the first connecting piece (2) at the bottom of the cylindrical template is adjusted to be matched with an embedded bolt, one end of a steel rope (24) penetrates through two through holes (18) in sequence and is hooped in a rope groove (19) of a connecting steel plate (6) to be connected with a fixing rod (23), the other end of the steel rope (24) bypasses a fixed pulley (21) and is connected with a winch (22), the steel rope (24) is tightened through the winch (22) to fixedly install the cylindrical template, and the design height is obtained by analogy;
when the cylindrical templates are vertically installed, the centering holes (20) are utilized for centering, and the upper cylindrical template and the lower cylindrical template are fixedly connected by using connecting bolts;
step four, disassembling the cylindrical template: after the poured concrete reaches a certain strength, connecting the concrete to a first connecting hole (3) at the top of a cylindrical template to be dismantled by using an auxiliary tool (25), penetrating a rope of a hoisting device through the auxiliary tool (25) to hook a pull ring (17) of a reinforcing rod (16), dismantling a connecting bolt at the bottom of the concrete, a fourth connecting piece (15) for connecting a second connecting piece (7) and a third connecting piece (11) and a steel rope (24) hooped in a rope groove (19) of a connecting steel plate (6), removing a circular arc template (1) with a positioning piece (13), moving the circular arc template (1) with a positioning groove (9), and finally separating the embedded bolt from the first connecting hole (3) at the bottom of the cylindrical template until all the embedded bolt is removed;
and step five, curing the concrete column.
2. The construction method of an anti-overflow slurry clamping groove type cylindrical formwork as claimed in claim 1, wherein the hook part is a conical structure with a narrow upper end and a wide lower end.
3. The construction method of the mortar overflow prevention slot type cylindrical formwork according to claim 2, wherein the auxiliary tool (25) comprises a ring sleeve (251), a support rod (252) is hinged and connected to the outer side of the ring sleeve (251), and a connecting bolt matched with the first connecting hole (3) is hinged and connected to one end of the support rod (252) far away from the ring sleeve (251).
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| CN201910688110.4A CN110424730B (en) | 2019-07-29 | 2019-07-29 | Anti-overflow slurry clamping groove type cylindrical formwork and construction method |
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| CN112982972A (en) * | 2021-02-26 | 2021-06-18 | 中建八局第四建设有限公司 | Cylinder template reinforcing apparatus |
| CN113216615B (en) * | 2021-05-25 | 2022-05-03 | 国厦建设有限公司 | Underground garage formwork supporting system |
| CN114991471B (en) * | 2022-04-26 | 2024-02-23 | 华能国际电力股份有限公司井冈山电厂 | Novel mould of cast-in-place formwork of slope roofing |
| CN115110545B (en) * | 2022-08-05 | 2024-01-02 | 中建八局发展建设有限公司 | Round steel lining plate foundation pit supporting device and construction method thereof |
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| CN110424730A (en) | 2019-11-08 |
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