CN114319863A - Basement guide wall template supporting system and construction method thereof - Google Patents
Basement guide wall template supporting system and construction method thereof Download PDFInfo
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- CN114319863A CN114319863A CN202210154372.4A CN202210154372A CN114319863A CN 114319863 A CN114319863 A CN 114319863A CN 202210154372 A CN202210154372 A CN 202210154372A CN 114319863 A CN114319863 A CN 114319863A
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Abstract
The invention discloses a basement guide wall template supporting system and a construction method thereof, and the basement guide wall template supporting system comprises a template supporting mechanism arranged inside a bottom plate reinforcing steel bar and a template fixing mechanism arranged on the upper part of the bottom plate reinforcing steel bar, wherein the template fixing mechanism comprises a first diagonal draw bar, a second diagonal draw bar, a transverse draw bar and a diagonal draw bar which penetrate through a wall template, and the part of the diagonal draw bar extending out of a left wall template, the first diagonal draw bar and the left wall template, and the part of the diagonal draw bar extending out of a right wall template, the second diagonal draw bar and the right wall template form a triangle; the formwork fixing mechanism completes the fixing of the wall formwork in a mode of arranging the transverse pull rod, the opposite pull rod, the first diagonal pull rod and the second diagonal pull rod, and the integral formwork fixing mechanism is not contacted with the bottom plate steel bars in a mode of opposite pulling, so that the problem that the wall formwork deviates due to extrusion of the bottom plate steel bars is avoided; in addition, the stability of the template is enhanced by the arrangement mode of the triangle.
Description
Technical Field
The invention relates to the technical field of guide wall construction, in particular to a basement guide wall template supporting system and a construction method thereof.
Background
The basement bottom plate and the wall concrete of the cast-in-place frame shear wall structure cannot be poured at one time due to process limitation, and a construction joint must be reserved at the position with the minimum shear force. In particular, for basement exterior walls, factors such as wall steel bar lap joint, wall formwork installation, waterproof of water-stop steel plates of construction joints and the like need to be considered, and common construction joints are left on the wall body above the top surface of the bottom plate. The waterproof technical specification of underground engineering (GB 50108-2008) 4.1.24 specifies: the waterproof concrete should be poured continuously, and few construction joints should be left. When setting up construction joints, the following regulations should be observed: the horizontal construction joint of the wall body is not left at the position with the maximum shearing force and bending moment or at the joint of the bottom plate and the side wall, and is left on the wall body which is not less than 300mm higher than the surface of the bottom plate. And simultaneously' quality acceptance Standard of underground waterproof engineering
(GB 50208-2011) 5.1.3 also states: the horizontal construction joints of the wall body are reserved on the wall body which is not less than 300mm higher than the surface of the bottom plate. Therefore, when the foundation slab is constructed, the concrete guide wall is arranged at the outer wall of the basement and integrally poured with the foundation slab, and the height of the guide wall is generally set to be 300-500 mm. The guide wall template needs to be erected on the foundation slab reinforcing steel bars by adopting a formwork hanging method, and in the conventional process technology at present, the basement slab guide wall template is mainly installed and fixed by adopting the following two methods:
erecting and supporting method: in the grooving process of using the existing underground passage as the underground continuous wall construction guide wall with the publication number of CN108018865A, the foundation slab adopts a waterproof protection wall as an outer side mold, the guide wall adopts a steel-wood mixed template and a support, and the reinforcement method adopts the combination of supporting and pulling. Firstly, I-shaped steel bar supports are vertically welded on bound foundation steel bars according to the bottom elevation of a guide wall template, the steel bar supports are made of steel bars with the diameter of more than phi 18, and then guide wall side molds are erected on the steel bar supports. Installing a vertical steel pipe main keel outside the square wood secondary keel of the side mold, supporting and locking the steel pipe main keel by utilizing an upper steel pipe and a lower steel pipe and jacking the steel pipe main keel, arranging a split bolt on the upper part of the side mold to tighten the steel pipe main keel of the inner mold and the outer mold, and finally drawing a through line to straighten the side mold of the guide wall; the construction method has the advantages of multiple operation procedures, large material and labor investment, time and labor consuming operation, higher cost and low working efficiency, and a large number of measures for reinforcing bars and supporting steel pipes are required to be configured; the connection of the steel bar support and the stressed steel bar of the foundation mostly adopts an arc spot welding mode, and the regulation of ' steel bar welding and acceptance regulation ' (JGJ 18-2012) 4.5.3 ' specifies that ' the steel bar arc welding comprises 5 joint forms of side bar welding, lap joint welding, groove welding, narrow gap welding and molten groove side bar welding '; when welding, arc striking should be carried out on the backing plate, the upper strip or the part forming the welding seam, and the main rib cannot be burnt. The spot welding causes undercut and burn to the basic main reinforcement, the effective section of the reinforcement is reduced to generate stress concentration, and the stress performance and the structural safety of the reinforcement are influenced; the joint part of the guide wall template is not easy to support firmly, which can cause uneven template joint and plane dislocation, and generate quality defects of template slurry leakage, wall dislocation and the like; the pressure born by the bottom of the guide wall template is the largest, the reinforcing steel bar support at the position is easy to generate transverse deformation displacement, a template frame system cannot be effectively supported, and a template expansion accident occurs under the action of lateral pressure of concrete.
A bracket welding method: a waterproof protection wall is adopted as an outer side mold for a foundation bottom plate and a guide wall outer mold without extending outside at the end part of a foundation, a wood-rubber template and a square wood keel are adopted for a guide wall inner mold, and a reinforcing method adopts a reinforcing steel bar welding triangular support for welding and supporting. The steel bar triangular support is made of steel bars with the diameter of more than 16, the steel bars are welded on the foundation steel bars according to the elevation of the bottom of the template, then the side die of the guide wall is supported on the horizontal steel bars of the triangular support, the vertical steel bars of the triangular support are used as the main keel of the side die and are tightly attached to the square wood secondary keel, the upper opening and the lower opening of the side die are tightly propped against the triangular support through wood wedges, and finally the line is pulled through to straighten the side die of the guide wall; the steel bar support is welded on a steel bar net on the top surface of the foundation, if the foundation steel bar is vertically displaced under the action of concrete pouring load, the formwork system is caused to be settled and deformed, the bottom of the side form is embedded in the bottom plate concrete, the elevation of the wall top cannot be accurately controlled, and meanwhile, the hidden danger that the stress performance of the foundation steel bar is reduced after spot welding exists; the formwork removal is difficult after the guide wall concrete is poured, the reinforcing steel bar support is cut off firstly, the labor cost and the operation process are increased, the construction progress is influenced, the material consumption is increased, the repeated utilization rate of the cut reinforcing steel bar support is low, and the manpower and material resources are wasted; in addition, the method that the waterproof protection wall is used as the side mold by the outer mold of the guide wall without extending out of the end part of the foundation increases the masonry engineering amount and material investment, the folding resistance of the waterproof protection wall is correspondingly weakened along with the increase of the height, unforeseeable adverse factors exist in the process of pouring the bottom plate and the concrete of the guide wall, the workload of a masonry structure is increased, the strength is slowly increased, the construction of an outer-prevention inner-sticking coiled waterproof and waterproof protection layer is involved, the working procedure period is prolonged, and the working efficiency is low.
In order to solve the problems, the invention provides a basement guide wall formwork supporting system and a construction method thereof, which are used for solving the problems that a guide wall side formwork is unstable in supporting and is easy to deviate.
Disclosure of Invention
The invention aims to provide a basement guide wall formwork supporting system and a construction method thereof, and the purpose of improving the supporting stability of a guide wall side formwork is achieved.
In order to achieve the purpose, the invention provides the following scheme:
the utility model provides a wall template supporting system is led to basement, is including setting up in the inside template supporting mechanism of bottom plate reinforcing bar and setting up in the template fixed establishment on bottom plate reinforcing bar upper portion, template fixed establishment includes first oblique pull rod, second oblique pull rod and runs through wall form's drag link and diagonal tension rod, first oblique pull rod and second oblique pull rod's one end respectively with the both ends of drag link are connected, first oblique pull rod and second oblique pull rod's other one end respectively with connect the both ends of diagonal tension rod, extend left side wall form's part and first oblique pull rod and left side wall form and extend right side wall form's part and second oblique pull rod and right side wall form all form triangle-shaped to the pull rod, template supporting mechanism is used for supporting the bottom of left side wall form and right side wall form.
Preferably, wall body supporting mechanism includes buried bolt in advance and angle iron support, buried bolt in advance one end and bottom plate lower floor steel bar connection, in addition one end with angle iron support connects, angle iron support's contained angle inboard is used for supporting the side form.
Preferably, the embedded bolt is connected with one end of the angle iron support and provided with a threading part, the other end of the angle iron support is provided with a right-angle hook, the angle iron support is provided with a first bolt hole matched with the threading part, the angle iron support is sleeved on the threading part through the first bolt hole, and the upper part and the lower part of the angle iron support are both provided with bolts matched with the threading part and are screwed to fix the angle iron support.
Preferably, the steel bar welding structure further comprises a steel bar welding part, wherein the steel bar welding part comprises a first flat section, an arc section and a second flat section which are sequentially connected, the radius of the arc section is matched with that of the embedded bolt, the arc section is sleeved on the outer surface of the embedded bolt, and the first flat section and the second flat section are connected with the steel bar on the top layer of the bottom plate.
Preferably, the right-angle hook and the bottom-layer steel bars of the bottom plate are welded in a single-side mode, and the first straight section and the second straight section are welded with the top-layer steel bars of the bottom plate in an upper-layer mode.
Preferably, the opposite pull rod comprises a mountain-shaped clamp and a screw rod, the screw rod penetrates through the side die, and the mountain-shaped clamp sleeves are arranged at two ends of the screw rod and screwed to abut against the side die.
Preferably, the tie rod is a three-section water stop screw.
Preferably, the first diagonal draw bar and the second diagonal draw bar are the same in size and comprise first angle steel and second angle steel, the second angle steel is provided with a connecting hole for connecting the tie rod and the tie rod, and the two ends of the first angle steel are provided with the second angle steel.
Preferably, the wall formwork is a double-faced film-coated wood veneer.
A construction method of a basement guide wall template supporting system comprises the following steps:
after binding of the foundation steel bars is finished, welding and fixing the embedded bolts on the lower-layer steel bars of the bottom plate according to the positioning lines, wherein the tops of the embedded bolts are higher than the top surface of the foundation, and the embedded bolts are hooped by a steel bar welding piece and then welded with the upper-layer steel bars of the bottom plate;
sleeving the bolt holes of the angle steel supports into the embedded bolts, adjusting the bottom surface elevation of the angle steel supports to be flush with the top surface elevation of the foundation, and locking the angle steel supports by using the bolts to be level;
and the inner and outer die square wooden keels of the side die are supported on the installed angle steel supports respectively, and the cross pull rod and the counter pull rod penetrate through the side die respectively and are fixed through the first diagonal pull rod and the second diagonal pull rod.
Compared with the prior art, the invention has the following technical effects:
1. the template fixing mechanism of the invention completes the fixing of the wall template by arranging the transverse pull rod, the counter pull rod, the first diagonal pull rod and the second diagonal pull rod, and ensures that the integral template fixing mechanism is not contacted with the bottom plate reinforcing steel bars by the counter pull mode, thereby avoiding the problem of offset and deviation of the wall template caused by extrusion of the bottom plate reinforcing steel bars, meanwhile, the triangular arrangement mode enhances the stability of the template, in addition, the template supporting system has simple manufacture, reliable stress, convenient and quick field loading and unloading, high construction accuracy and stable support, main components can be repeatedly recycled, can be universally used for the construction of bottom plate guide walls with various design sections, simplifies the construction procedures, consumes few auxiliary materials, saves a large amount of material cost and labor cost, effectively improves the work efficiency, and simultaneously reduces the construction period of basic engineering, and the construction progress is accelerated.
2. The wall body supporting mechanism comprises an embedded bolt and an angle steel support, one end of the embedded bolt is connected with the lower-layer steel bar of the bottom plate, the other end of the embedded bolt is connected with the angle steel support, and the inner side of an included angle of the angle steel support is used for supporting the side die.
3. According to the angle steel support, one end of a pre-buried bolt connected with the angle steel support is provided with a threading part, the other end of the pre-buried bolt connected with the angle steel support is provided with a right-angle hook, the angle steel support is provided with a first bolt hole matched with the threading part, the angle steel support is sleeved on the threading part through the first bolt hole, bolts matched with the threading part are arranged on the upper part and the lower part of the angle steel support, and the angle steel support is fixed through screwing; because angle iron support establishes on mantle fiber portion, and can reciprocate in mantle fiber portion, through adjusting the angle iron support to the bolt of screwing after the suitable position, reach the purpose that the angle iron support carries out the location, that is to say, angle iron support can adjust according to the actual elevation condition of template, can adapt to different operating modes.
4. The embedded bolt comprises a bottom plate, a top layer steel bar, a bottom plate, a first straight section, an arc section and a second straight section, wherein the bottom plate is provided with a top layer steel bar; through first straight section and second straight section and bottom plate top layer steel bar connection for buried bolt and bottom plate top layer reinforcing bar are accomplished to be connected, have avoided the welding of buried bolt and bottom plate top layer reinforcing bar to produce a large amount of welding seams and cause the damage to the buried bolt welding, lead to buried bolt's intensity to receive the influence, and bearing capacity reduces, has the risk that can not the stable support wall body template.
Drawings
In order to more clearly illustrate the present invention or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described 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 without inventive exercise.
FIG. 1 is a schematic structural view of a basement guide wall formwork support system after installation;
FIG. 2 is a schematic structural view of a basement guide wall formwork support system;
FIG. 3 is a schematic structural view of an angle iron support;
FIG. 4 is a schematic structural diagram of a pre-buried bolt;
FIG. 5 is a schematic structural view of a steel bar weldment;
FIG. 6 is a schematic structural view of a first angle iron;
FIG. 7 is a schematic structural view of a second angle iron;
FIG. 8 is a schematic structural view of a first diagonal member or a second diagonal member formed by splicing a first angle steel and a second angle steel;
wherein, 1, a waterproof protection wall; 2. waterproof coiled materials; 3. a waterproof protective layer; 4. bricking and jacking; 5. a water stop steel plate; 6. wall form; 7. a square wood secondary keel; 8. a steel pipe main keel; 9. embedding bolts in advance; 10. a steel bar welding part; 11. an angle steel support; 12. wood wedge; 13. a screw rod; 14. a three-section water stop bolt; 15. a mountain-shaped card; 16. a first bolt hole; 17. a threading part; 18. a bolt; 19. a first straight section; 20. a second straight section; 21. an arc-shaped section; 22. a first angle steel; 23. a second angle steel; 24. and connecting the holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a basement guide wall formwork supporting system and a construction method thereof, and the purpose of improving the supporting stability of a guide wall side formwork is achieved.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1 to 8, a basement guide wall formwork support system includes a formwork support mechanism disposed inside a bottom plate reinforcing bar and a formwork fixing mechanism disposed on an upper portion of the bottom plate reinforcing bar, the formwork fixing mechanism includes a first diagonal draw bar, a second diagonal draw bar, and a diagonal draw bar and a tie bar penetrating through a wall formwork 6, one end of the first diagonal draw bar and one end of the second diagonal draw bar are connected to two ends of the diagonal draw bar respectively, the other end of the first diagonal draw bar and the other end of the second diagonal draw bar are connected to two ends of the tie bar respectively, a portion of the tie bar extending out of a left wall formwork forms a triangle with the first diagonal draw bar and the left wall formwork, and a portion of the tie bar extending out of a right wall formwork forms a triangle with the second diagonal draw bar and the right wall formwork, the formwork support mechanism is used for supporting bottoms of the left wall formwork and the right wall formwork; the template fixing mechanism of the invention completes the fixing of the wall template by arranging the transverse pull rod, the counter pull rod, the first diagonal pull rod and the second diagonal pull rod, and ensures that the integral template fixing mechanism is not contacted with the bottom plate reinforcing steel bars by the counter pull mode, thereby avoiding the problem of offset and deviation of the wall template 6 caused by extrusion of the bottom plate reinforcing steel bars, meanwhile, the triangular arrangement mode enhances the stability of the template, in addition, the template supporting system has simple manufacture, reliable stress, convenient and fast field loading and unloading, high construction accuracy and stable support, main components can be repeatedly recycled, can be universally used for the construction of bottom plate guide walls with various design sections, simplifies the construction procedures, consumes few auxiliary materials, saves a large amount of material cost and labor cost, effectively improves the work efficiency, and simultaneously shortens the construction period of foundation engineering, and the construction progress is accelerated.
Referring to fig. 1 to 4, the wall supporting mechanism comprises an embedded bolt 9 and an angle iron support 11, one end of the embedded bolt 9 is connected with the lower layer of steel bars of the bottom plate, the other end of the embedded bolt is connected with the angle iron support 11, and the inner side of an included angle of the angle iron support 11 is used for supporting a side mold.
Referring to fig. 3 to 4, a threading part 17 is arranged at one end of the embedded bolt 9, which is connected with the angle iron support 11, and a right-angle hook is arranged at the other end of the embedded bolt, the angle iron support 11 is provided with a first bolt hole 16 matched with the threading part 17, the angle iron support 11 is sleeved on the threading part 17 through the first bolt hole 16, bolts matched with the threading part 17 are arranged at the upper part and the lower part of the angle iron support 11, and the angle iron support 11 is fixed by screwing; because angle iron support 11 is established on mantle fiber portion 17, and can reciprocate on mantle fiber portion 17, through adjusting angle iron support 11 to suitable position after through screwing the bolt, reach angle iron support 11 and carry out the purpose of fixing a position, that is to say, angle iron support 11 can adjust according to the actual elevation condition of template, can adapt to different operating modes.
Referring to fig. 5, the steel bar welding piece 10 is further included, the steel bar welding piece 10 includes a first straight section 19, an arc section 21 and a second straight section 20 which are connected in sequence, the radius of the arc section 21 is matched with that of the embedded bolt 9, the arc section 21 is sleeved on the outer surface of the embedded bolt 9, and the first straight section 19 and the second straight section 20 are connected with the steel bars on the top layer of the bottom plate; through first flat section 19 and second flat section 20 and bottom plate top layer steel bar connection for buried bolt 9 is connected with bottom plate top layer steel bar completion, has avoided buried bolt 9 and the welding of bottom plate top layer steel bar to produce a large amount of welding seams and has led to the fact the damage to weld to buried bolt 9, leads to buried bolt 9's intensity to receive the influence, and bearing capacity reduces, has the risk that can not the stable stay wall form 6.
Furthermore, the right-angle hook and the bottom steel bar of the bottom plate are welded in a single-side mode, and the first straight section 19 and the second straight section 20 are welded with the top steel bar of the bottom plate in an upper strip mode.
Referring to fig. 2, the opposite pull rod comprises a mountain-shaped clamp 15 and a screw rod 13, the screw rod 13 penetrates through the side die, and the mountain-shaped clamp 15 is sleeved at two ends of the screw rod 13 and screwed to abut against the side die.
Referring to fig. 2, the tie rod is a three-section water stop bolt 14.
Further, the first diagonal draw bar and the second diagonal draw bar are the same in size and comprise first angle steel 22 and second angle steel 23, a connecting hole 24 used for connecting the draw bar and the tie rod is formed in the second angle steel 23, and the two ends of the first angle steel 22 are provided with the second angle steel 23.
Further, the wall formwork 6 is made of wood-rubber plates with two coated surfaces.
The construction method of the basement guide wall template support system comprises the following steps:
(1) welding embedded bolt
After the binding of the foundation steel bars of the base plate is finished, the embedded bolts 9 are welded and fixed on the upper and lower layers of stressed main bars of the foundation base plate according to positioning lines, the horizontal center distance is 600mm, the tops of the bolts are 30mm higher than the top surface of the foundation, the lower portion of the bolts is welded by single-face lap welding, the length of welding seams is 70mm, the upper portion of the bolts is welded by rib welding, the embedded bolts 9 are hooped by steel bar welding pieces 10 and then welded with the upper layers of stressed steel bars of the foundation, and the lengths of the welding seams on two sides of the embedded bolts 9 are 60mm respectively.
(2) Mounting angle steel support
And (3) sleeving the bolt holes of the angle steel supports 11 into the embedded bolts 9, adjusting the bottom surface elevation of the angle steel supports 11 to be flush with the top surface elevation of the foundation, and locking the angle steel supports 11 by utilizing the upper and lower screw caps and enabling the long sides of the angle steel supports to be horizontal.
(3) Wall formwork support
The square wooden keels of the inner and outer molds are supported on the installed angle steel support 11 respectively, the three-section water stop bolt 14 penetrates into the connecting hole 24, joints of the single side molds are supported on the angle steel support 11, and the corresponding side molds are supported stably temporarily after the molds are erected.
(4) Wall form fixing and correcting
And (3) installing the steel pipe main keels 8 of the left wall body formwork and the right wall body formwork, arranging vertical double steel pipes according to the horizontal distance of 600mm, and respectively corresponding to the angle steel support 11 and the side die split bolts. The bottom of the steel pipe main keel 8 is supported on the angle steel support 11; then, installing template fixing mechanisms, arranging the template fixing mechanisms at horizontal intervals of 600mm, locking the upper parts of the steel pipe main keels 8 by the screw rods 13 and the mountain-shaped clamps 15, locking connecting holes 24 on the first angle steels 22 and the second angle steels 23 on two sides by the mountain-shaped clamps 15 through the screw rods 13, and fastening the other ends of the connecting holes and the three-section water stop bolts 14 by nuts to form a suspended formwork supporting and fixing system; the pull-through line is aligned to correct the axis position of the side die of the guide wall, the gap between the steel pipe main keel 8 and the angle steel support 11 is tightly propped by a wood wedge 12, and the side die is adjusted to fix the inner and outer side bolts at the upper part of the clamp.
The adaptation according to the actual needs is within the scope of the invention.
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. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. A basement guide wall template supporting system is characterized by comprising a template supporting mechanism arranged inside a bottom plate steel bar and a template fixing mechanism arranged on the upper part of the bottom plate steel bar, the template fixing mechanism comprises a first diagonal draw bar, a second diagonal draw bar, a transverse draw bar and a counter draw bar which penetrate through the wall template, one end of the first diagonal draw bar and one end of the second diagonal draw bar are respectively connected with two ends of the transverse draw bar, the other ends of the first diagonal draw bar and the second diagonal draw bar are respectively connected with two ends of the opposite draw bar, the part of the tie rod extending out of the left wall formwork, the first diagonal draw bar, the left wall formwork, the part of the tie rod extending out of the right wall formwork, the second diagonal draw bar and the right wall formwork form a triangle, and the formwork support mechanism is used for supporting the bottoms of the left wall formwork and the right wall formwork.
2. The basement guide wall formwork support system of claim 1, wherein the wall supporting mechanism comprises embedded bolts and angle iron supports, one ends of the embedded bolts are connected with lower-layer steel bars of the bottom plate, the other ends of the embedded bolts are connected with the angle iron supports, and the inner sides of included angles of the angle iron supports are used for supporting side molds.
3. The basement guide wall formwork support system according to claim 2, wherein one end of the embedded bolt connected with the angle iron support is provided with a threading part, the other end of the embedded bolt connected with the angle iron support is provided with a right-angle hook, the angle iron support is provided with a first bolt hole matched with the threading part, the angle iron support is sleeved on the threading part through the first bolt hole, the upper part and the lower part of the angle iron support are respectively provided with a bolt matched with the threading part, and the angle iron support is fixed through screwing.
4. The basement guide wall template supporting system according to claim 3, further comprising a steel bar welding piece, wherein the steel bar welding piece comprises a first straight section, an arc-shaped section and a second straight section which are sequentially connected, the radius of the arc-shaped section is matched with that of the embedded bolt, the arc-shaped section is sleeved on the outer surface of the embedded bolt, and the first straight section and the second straight section are connected with the steel bars on the top layer of the bottom plate.
5. The basement guide wall formwork support system according to claim 4, wherein the right-angle hooks are welded to bottom floor reinforcing steel bars on one side, and the first straight section and the second straight section are welded to top floor reinforcing steel bars on an upper strip.
6. The basement guide wall formwork support system of claim 1, wherein the tie-rods comprise mountain-shaped clamps and screw rods, the screw rods penetrate through the side forms, and the mountain-shaped clamps are arranged at two ends of the screw rods and screwed against the side forms.
7. The basement guide wall formwork support system of claim 1, wherein the tie rod is a three-section water stop screw.
8. The basement guide wall formwork support system according to claim 1, wherein the first diagonal draw bar and the second diagonal draw bar are the same in size and comprise a first angle steel and a second angle steel, the second angle steel is provided with a connecting hole for connecting the tie bar and the tie rod, and the second angle steel is arranged at two ends of the first angle steel.
9. The basement guide wall formwork support system according to claim 1, wherein the wall formwork is double-faced film-coated wood-rubber plate.
10. A construction method of a basement guide wall template supporting system is characterized by comprising the following steps:
after binding of the foundation steel bars is finished, welding and fixing the embedded bolts on the lower-layer steel bars of the bottom plate according to the positioning lines, wherein the tops of the embedded bolts are higher than the top surface of the foundation, and the embedded bolts are hooped by a steel bar welding piece and then welded with the upper-layer steel bars of the bottom plate;
sleeving the bolt holes of the angle steel supports into the embedded bolts, adjusting the bottom surface elevation of the angle steel supports to be flush with the top surface elevation of the foundation, and locking the angle steel supports by using the bolts to be level;
and the inner and outer die square wooden keels of the side die are supported on the installed angle steel supports respectively, and the cross pull rod and the counter pull rod penetrate through the side die respectively and are fixed through the first diagonal pull rod and the second diagonal pull rod.
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| CN202210154372.4A CN114319863A (en) | 2022-02-21 | 2022-02-21 | Basement guide wall template supporting system and construction method thereof |
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| CN202210154372.4A CN114319863A (en) | 2022-02-21 | 2022-02-21 | Basement guide wall template supporting system and construction method thereof |
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| CN204703512U (en) * | 2015-06-17 | 2015-10-14 | 陕西建工集团总公司 | The adjustable guide wall form board bracing means of a kind of simple-mounting-dismounting formula |
| CN206220506U (en) * | 2016-10-27 | 2017-06-06 | 中国一冶集团有限公司 | A kind of stretchable formula bracing means of the anti-bank of concrete |
| CN206289619U (en) * | 2016-10-27 | 2017-06-30 | 中国航天建设集团有限公司 | Guide wall form board mounting structure and wall casting system |
| CN109555311A (en) * | 2019-01-09 | 2019-04-02 | 山东金城建设有限公司 | Adjustable waterproof guide wall form board support construction and its operational method |
| CN113073846A (en) * | 2021-04-14 | 2021-07-06 | 北京崇建工程有限公司 | Template reinforcing structure and method for horizontal construction joint of underground outer wall |
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