CN108166531B - Foundation post-cast strip template and construction method for casting post-cast strip - Google Patents
Foundation post-cast strip template and construction method for casting post-cast strip Download PDFInfo
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- CN108166531B CN108166531B CN201711432867.4A CN201711432867A CN108166531B CN 108166531 B CN108166531 B CN 108166531B CN 201711432867 A CN201711432867 A CN 201711432867A CN 108166531 B CN108166531 B CN 108166531B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
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Abstract
The invention provides a foundation post-cast strip template, which belongs to the technical field of building engineering and is formed by splicing a plurality of sub-templates arranged in a row along two sides of a post-cast strip, wherein the sub-templates are prefabricated templates and are poured by template frameworks. The invention also provides a construction method for pouring the post-cast strip, which comprises the steps of prefabricating the sub-templates, hoisting and splicing the prefabricated templates, pouring the foundation slab and pouring the post-cast strip. According to the template for the foundation post-cast strip and the construction method for pouring the post-cast strip, provided by the invention, the prefabricated template is connected with the reinforcement of the foundation bottom plate through the prefabricated sub-template, so that the requirement on the supporting strength of the post-cast strip template is met, the size of the foundation concrete on one side of the post-cast strip is ensured to the maximum extent, the construction method for pouring the post-cast strip without template removal is adopted, concrete leakage caused by the traditional post-cast strip template supporting construction method is avoided, and the template is not easy to reinforce, remove or remove completely.
Description
Technical Field
The invention belongs to the technical field of building engineering, and particularly relates to a foundation post-cast strip template and a construction method for casting a post-cast strip.
Background
When the foundation post-cast strip is designed for the building foundation, the design for preventing the cast-in-place reinforced concrete structure from generating harmful cracks due to the fact that concrete shrinks unevenly due to temperature change or settlement of a main building and a skirt house of a high-rise building is uneven in the building construction is considered.
The foundation post-cast strip is divided into a settlement post-cast strip and a temperature post-cast strip, wherein the settlement post-cast strip is generally required to be poured after the main body structure is capped for 14 days, and the temperature post-cast strip is required to be poured after the concrete on two sides is aged for 60 days. However, because the building foundation bottom plate is not thick (such as a water-resistant plate of an underground garage), the reinforcing steel bar protective layer, the upper and lower reinforcing steel bars and the water-stop steel plate are deducted. The space between the two layers of reinforcing mesh and the water stop steel plate is very small, and the operation is inconvenient. If the traditional wood formwork is adopted for supporting, the reinforcing difficulty is high, and the wood formwork is not easy to detach; if the fast and easy closing net is adopted, the fast and easy closing net cannot be smoothly unfolded due to small space except for difficult reinforcement, and an ideal effect cannot be achieved.
When the foundation concrete is poured, the phenomena of infirm reinforcement, slurry leakage or severe mold expansion are easy to occur, and the cleaning difficulty is large before the pouring of the subsequent post-pouring belt.
Disclosure of Invention
The invention aims to provide a foundation post-cast strip template and a construction method for casting a post-cast strip, which are convenient to operate and can ensure that the foundation post-cast strip is firm and is free from being dismantled, so as to solve the technical problems in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a basis post-cast strip template, basis post-cast strip template symmetry sets up in post-cast strip both sides, basis post-cast strip template includes the submodel that a plurality of word was arranged, the submodel includes that the middle part is equipped with the prefabricated template of stagnant water steel sheet, establish the template skeleton in the prefabricated template, the bilateral bending symmetry of stagnant water steel sheet sets up prefabricated template both sides, stagnant water steel sheet level sets up, the top and the bottom of prefabricated template are equipped with respectively and are on a parallel with the muscle is reserved to the first muscle of reserving and the second of stagnant water steel sheet, first muscle of reserving and second are reserved the muscle and are followed post-cast strip width direction interval sets up, the both ends that muscle were reserved to first muscle and second all expose in the both sides face of prefabricated template.
Further, the template skeleton includes a plurality of vertical poles the same with the soleplate height, vertical pole is followed post-cast strip length direction is two rows of intervals and sets up, the template skeleton still includes the edge the horizontal pole that post-cast strip length direction set up, the horizontal pole is located the top and the bottom of vertical pole, vertical pole runs through the stagnant water steel sheet sets up, the stagnant water steel sheet sets up the middle part of vertical pole.
Furthermore, a plurality of pouring holes are formed in the middle of the water stop steel plate at intervals along the length direction of the water stop steel plate, and the pouring holes are formed between the two rows of vertical rods.
Furthermore, one side of the first reserved rib and one side of the second reserved rib are arranged corresponding to the reinforcing bars of the foundation slab, and the first reserved rib and the second reserved rib are connected with the reinforcing bars of the foundation slab through straight threads.
Further, the length of the inner sides of the first reserved rib and the second reserved rib is more than or equal to half of the width of the post-cast strip.
The construction method for pouring the post-cast strip comprises the following steps:
s1, prefabricating a sub-template;
s2, positioning and paying off the edge position of the post-cast strip;
s3, hoisting the prefabricated template;
s4, splicing prefabricated templates;
s5, plugging joints of the prefabricated templates;
s6, pouring a foundation slab;
s7, removing the plugging mortar of the joints of the prefabricated templates;
s8, pouring concrete in the post-pouring belt;
and S9, performing grouting treatment on the joints of the prefabricated templates.
Further, in step S1, the length of the edge of the water-stop steel plate extending out of the prefabricated form and contacting with the wall is half of the thickness of the wall at the joint of the prefabricated form and the wall, where the water-stop steel plate extends out of the two side surfaces of the prefabricated form and is not less than 150mm, and the length of the water-stop steel plate extending out of the edge of the prefabricated form and contacting with the wall is not less than 30 mm.
Further, in step S1, a joint between the vertical rod and the water stop steel plate is subjected to plug welding with a through hole.
Further, in step S4, the overlapping positions of the water-stopping steel plates in two adjacent prefabricated formworks are connected by a double-sided full-welding method, and the overlapping length of the water-stopping steel plates of two adjacent prefabricated formworks is not less than 20 mm.
Further, in step S8, the post-cast strip is poured 14 days after the capping of the main structure, and the post-cast strip is poured 60 days after the concrete period of the two sides.
The foundation post-cast strip template and the construction method for casting the post-cast strip have the beneficial effects that: compared with the prior art, the construction method of the foundation post-cast strip template and the poured post-cast strip has the advantages that the prefabricated template is connected with the reinforcement of the foundation bottom plate through the prefabricated sub-template, the requirement of the post-cast strip template on the supporting strength is met, the size of the foundation concrete on one side of the post-cast strip is guaranteed to the maximum extent, and the template-removal-free post-cast strip template supporting construction method is adopted, so that concrete slurry leakage generated by the traditional post-cast strip template supporting construction method is avoided, the template is not easy to reinforce, remove or remove completely, and huge hidden dangers are brought to foundation waterproofing.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions 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 based on these drawings without inventive exercise.
FIG. 1 is a structural diagram of a template framework of a basic post-cast strip template provided by an embodiment of the invention;
FIG. 2 is a schematic diagram illustrating the forming of a prefabricated form of a basic post-cast strip form according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a prefabricated form butt joint of a basic post-cast strip form according to an embodiment of the present invention;
FIG. 4 is a schematic view of an installation position of a basic post-cast strip template provided by an embodiment of the invention;
wherein, in the figures, the respective reference numerals:
1-a vertical bar; 2-a transverse bar; 3-water stop steel plate; 4-a first reserved rib; 5-second reserved ribs; 6-pouring holes; 7-water stop steel plate lap joint; 8-prefabricating template joints; 9-a foundation slab; and 10-post-cast strip.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and 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.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "plurality" or "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 4 together, the basic post-cast strip template provided by the present invention will now be described. The foundation post-cast strip template is formed by splicing a plurality of sub-templates, the sub-templates are arranged in a row along two sides of the post-cast strip 10, and the sub-templates completely wrap the side wall of the post-cast strip 10 after being spliced to isolate the post-cast strip 10 from the foundation bottom plate 9. The submodule is prefabricated template, pour into the concrete into by the template skeleton and form, template skeleton middle part is equipped with stagnant water steel sheet 3, stagnant water steel sheet 3 level sets up, prevent the upwards infiltration of pressure water of bottom, set up first reservation muscle 4 at template skeleton top, template skeleton bottom sets up the second and reserves muscle 5, first reservation muscle 4 and second reserve muscle 5 and follow the horizontal setting of post-cast strip 10 width direction, wherein, first reservation muscle 4 corresponds the setting with the upper layer arrangement of reinforcement of soleplate 9, the muscle is reserved to the second 5 and corresponds the setting with the lower floor arrangement of soleplate 9, prefabricated template pours the completion back, first reservation muscle 4 and second reserve 5 both ends of muscle and all expose at prefabricated template both sides face.
Compared with the prior art, the foundation post-cast strip template provided by the invention has the advantages that the prefabricated template is connected with the reinforcement of the foundation bottom plate through the prefabricated sub-template, the prefabricated templates are arranged in a row along the two sides of the post-cast strip and are mutually connected to form the post-cast strip template, the size of the foundation concrete on one side of the post-cast strip is ensured to the maximum extent while the requirement on the supporting strength of the post-cast strip template is met, and the concrete grout leakage generated by the traditional post-cast strip template supporting construction method is avoided by adopting the template-dismantling-free post-cast strip template setting method, so that the template is not easy to reinforce, dismantle or dismantle cleanly, and the problem of huge hidden danger is brought to the foundation waterproofing.
As preferred, the template skeleton includes vertical pole 1 that a plurality of set up side by side, and vertical pole 1 is two rows, and vertical pole 1 is made by the reinforcing bar, and 10 length direction in post-cast strip are followed to vertical pole 1's range direction, and vertical pole 1's height is the same with soleplate 9's height, guarantees that the post-cast strip template height that generates is the same with soleplate 9 height, has avoided the repair work in later stage. The template skeleton is except vertical pole 1, still be equipped with four horizontal poles 2, 1 top of vertical pole and bottom respectively are equipped with two horizontal poles 2, horizontal pole 2 is also made by the reinforcing bar, horizontal pole 2 sets up along 10 length direction in post-cast strip, horizontal pole 2 is located vertical pole 1's top and bottom, wherein two horizontal poles 2 that are located vertical pole 1 top are connected with every vertical pole 1's top respectively, the both ends of the horizontal pole 2 at top are connected with the vertical pole 1 top that is located both ends respectively, two horizontal poles 2 that are located vertical pole 1 bottom are connected with every vertical pole 1's bottom respectively, the both ends of the horizontal pole 2 of bottom are connected with vertical pole 1 bottom that is located both ends respectively. The vertical rods 1 and the transverse rods 2 are connected into two layers of steel bar frames which are vertically arranged to form a template framework of the prefabricated template. Be equipped with stagnant water steel sheet 3 at vertical pole 1 middle part, stagnant water steel sheet 3 level sets up, prevents that bottom pressure water from upwards permeating, and vertical pole 1 passes stagnant water steel sheet 3 to vertical pole 1's middle part and stagnant water steel sheet 3 welding, two parallel steel framework that comprise vertical pole 1 and transverse rod 2 link as an organic whole through stagnant water steel sheet 3.
As preferred, set up a plurality of at stagnant water steel 3 interval and pour hole 6, pour hole 6 and be located two-layer steel framework in the middle of, guarantee that template skeleton concreting back will pour hole 6 and fill completely, when pouring hole 6's effect is when carrying out concrete placement in template skeleton inside, stagnant water steel 3 upper and lower two parts's structure is all filled by the concrete, does not have inside hourglass thick liquid, has guaranteed the structural strength of prefabricated template.
Preferably, the first reserved ribs 4 and the second reserved ribs 5 are arranged corresponding to the reinforcing bars of the foundation slab 9, namely after the prefabricated formwork is hoisted to the position, the first reserved ribs 4 are just butted with the upper reinforcing bars of the foundation slab 9, the second reserved ribs 5 are just butted with the lower reinforcing bars of the foundation slab 9, threading operation is performed on the outer end portions of the first reserved ribs 4 and the second reserved ribs 5, correspondingly, threading operation is also performed on the end portions of the reinforcing bars of the foundation slab 9, which are respectively butted with the first reserved ribs 4 and the second reserved ribs 5, the end portions of the first reserved ribs 4 and the second reserved ribs 5 are connected with the corresponding reinforcing bars of the foundation slab 9 through sleeves, and the prefabricated formwork can have enough structural strength relative to the foundation slab 9 after being installed.
As preferred, the first reserved rib 4 and the second reserved rib 5 are in butt joint, so that the length of the inner sides of the first reserved rib 4 and the second reserved rib 5 is more than or equal to half of the width of the post-cast strip 10, the butt joint of the first reserved rib 4 and the second reserved rib 5 can be completed after the prefabricated formworks on two sides are installed, and the steel bar structure formed by butt joint serves as a steel bar framework of the post-cast strip 10.
Furthermore, the construction method for casting the post-cast strip provided by the invention is explained, and the concrete steps of the construction method for casting the post-cast strip are as follows:
s1, prefabricating a sub-template: the vertical rods 1 penetrate through the water stop steel plates 3 respectively, so that the water stop steel plates 3 are positioned in the middle of the vertical rods 1, the water stop steel plates 3 are horizontal after being fixed, the vertical rods 1 are arranged in two parallel rows, the tops of the vertical rods 1 arranged side by side are welded with the two transverse rods 2 at the tops respectively, the bottoms of the vertical rods are welded with the two transverse rods 2 at the bottoms respectively, the transverse rods 2 and the vertical rods 1 are welded to form two parallel steel bar frames, the first reserved ribs 4 are arranged at the tops of the vertical rods 1 side by side, the specific arrangement positions are arranged according to the upper-layer reinforcing bars of the foundation slab 9, the heights of the first reserved ribs 4 and the upper-layer reinforcing bars of the foundation slab 9 are ensured to be the same, the intervals of the first reserved ribs 4 are also arranged according to the intervals of the upper-layer reinforcing bars of the foundation slab 9, and each first reserved rib 4 can be butted with the upper; in a similar way, reserve muscle 5 with the second and lay in 1 bottom of vertical pole side by side, concrete mounted position is according to the lower floor's of soleplate 9 arrangement of reinforcement, guarantees that the second reserves muscle 5 and soleplate 9's lower floor's arrangement of reinforcement height the same, and the interval that muscle 5 was reserved to the second also sets up according to soleplate 9's lower floor's arrangement of reinforcement interval, guarantees that prefabricated template hoist and mount back in place, and every second reserves muscle 5 can realize the butt joint with soleplate 9's lower floor's arrangement of reinforcement. Adjusting the lengths of the first reserved rib 4 and the second reserved rib 5 to enable the outer end parts of the first reserved rib 4 and the second reserved rib 5 to be separated from the reinforcement arrangement end part of the foundation slab 9 by a certain distance, facilitating the installation of a sleeve, enabling the inner end parts of the first reserved rib 4 and the second reserved rib 5 to be located at or slightly exceed the central line of the rear pouring belt 10 in the width direction, ensuring that the prefabricated formworks on two sides of the rear pouring belt 10 can be butted after being installed, respectively welding the first reserved rib 4 and the second reserved rib 5 with the corresponding vertical rods 1, injecting concrete into a frame structure formed by the first reserved rib 4, the second reserved rib 5, the vertical rods 1 and the transverse rods 2, communicating the upper part and the lower part of the frame structure through a pouring hole 6 formed by a water stop steel plate 3, connecting the upper part and the lower part of the frame structure into a whole through the concrete, ensuring the pouring forming quality of the concrete, preventing slurry leakage from being generated, and after the concrete is solidified, prefabricating the sub-templates;
s2, positioning and paying off are carried out on the edge position of the post-cast strip 10 according to the size of the prefabricated template, the hoisting position of the prefabricated template is defined, and the reserved size of the post-cast strip 10 is guaranteed after the prefabricated template is hoisted;
s3, after the prefabricated formwork is defined, the prefabricated formworks are sequentially hoisted to a specified position, the end parts of two adjacent prefabricated formworks are tightly attached, the first reserved rib 4 and the second reserved rib 5 are respectively connected with the corresponding reinforcing bars of the corresponding foundation slab 9, the specific connection mode is that the outer end parts of the first reserved rib 4 and the second reserved rib 5 are subjected to threading operation, correspondingly, the end parts of the reinforcing bars of the foundation slab 9, which are respectively butted with the first reserved rib 4 and the second reserved rib 5, are also subjected to threading operation, the end parts of the first reserved rib 4 and the second reserved rib 5 are connected with the corresponding reinforcing bars of the foundation slab 9 through sleeves, the enough structural strength of the formwork relative to the foundation slab after installation is ensured, and the inner end parts of the first reserved rib 4 and the second reserved rib 5 are butted and welded and fixed to form a reinforcement framework of the post-cast strip 10. .
S4, after the prefabricated formworks are hoisted in place, abutting two adjacent prefabricated formworks, enabling the water stop steel plates 3 of the two adjacent prefabricated formworks to be in an overlapping state, and welding overlapping seams 7 of the overlapped water stop steel plates;
s5, the two adjacent prefabricated formworks cannot be in seamless butt joint, and the prefabricated formwork joint 8 formed by the two adjacent prefabricated formworks in butt joint is blocked by mortar, so that concrete is prevented from flowing into the post-pouring strip 10 in the pouring process of the foundation slab 9, and the cleaning difficulty is increased.
S6, pouring concrete of the foundation slab 9, forming the foundation post-cast strip templates formed by splicing the foundation slab 9 and the prefabricated templates into an integral structure after the concrete is poured on the foundation slab 9, and forming the post-cast strip 10 between the two rows of the foundation post-cast strip templates;
and S7, removing the plugging mortar in the prefabricated formwork joint 8 between two adjacent prefabricated formworks, and finishing the installation of the foundation post-cast strip formwork.
S8, after the foundation post-cast strip formwork is installed, the reserved post-cast strip 10 is formed, the pouring of the post-cast strip 10 is separated from the pouring of the foundation bottom plate 9 for a certain time, after the specified time is reached, concrete is poured in the reserved post-cast strip 10, when the foundation post-cast strip formwork is installed, the inner sides of the first reserved ribs 4 and the second reserved ribs 5 of the prefabricated formwork are in butt joint to form a framework of the post-cast strip 10, and the post-cast strip 10 does not need to be installed again in the pouring construction process.
And S9, after the post-cast strip 10 is poured, grouting is carried out on the joints of the prefabricated formworks, and the hidden danger of water leakage at the joints is eliminated.
Compared with the prior art, the construction method for pouring the post-cast strip has the advantages that the prefabricated sub-template is prefabricated, the prefabricated template is connected with the reinforcement of the foundation bottom plate, the size of the foundation concrete on one side of the post-cast strip is guaranteed to the maximum extent while the requirement of the post-cast strip template on the supporting strength is met, and the post-cast strip template supporting construction method free of template removal is adopted, so that the problems that concrete leakage caused by the traditional post-cast strip template supporting construction method is avoided, the template is not easy to reinforce, remove or remove cleanly, and huge hidden danger is brought to foundation waterproofing are solved.
Preferably, in the sub-template prefabrication, the transverse end part of the water stop steel plate 3 extends out of the surface of the prefabricated template by no less than 150mm, the vertical end part of the water stop steel plate 3 extends out of the surface of the prefabricated template by no less than 30mm, and the length of the vertical end part of the water stop steel plate 3 at the joint of the prefabricated template and the wall body, which extends out of the surface of the prefabricated template, is half of the thickness of the wall body, so that the water stop steel plate 3 completely covers peripheral gaps, and the sealing performance of.
Preferably, in the prefabrication of the sub-template, the joint of the vertical rod 1 and the water stop steel plate 3 is subjected to perforation plug welding, the strength of the welding seam of the perforation plug welding is high, the connection strength of the vertical rod 1 and the water stop steel plate 3 is ensured, and the structural strength of the template framework is further ensured.
As preferred, in the concatenation of prefabricated template, 3 overlap joint length of stagnant water steel sheet are not less than 20mm in two adjacent prefabricated templates, and the overlap joint adopts two-sided full weld, guarantee the structural strength that two adjacent prefabricated templates connect.
Preferably, the foundation post-cast strip is divided into a settlement post-cast strip and a temperature post-cast strip, the foundation post-cast strip is required to be cast 14 days after the main structure is capped, the temperature post-cast strip is required to be cast 60 days after the concrete ages of the two sides, and the post-cast strip concrete casting is carried out according to the regulations.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The base post-cast strip template is characterized in that: the template of the foundation post-cast strip is symmetrically arranged on two sides of the post-cast strip, the template of the foundation post-cast strip comprises a plurality of sub-templates which are arranged in a straight line, each sub-template comprises a prefabricated template with a water stop steel plate in the middle, a template framework is arranged in the prefabricated template, each template framework comprises a plurality of vertical rods which are as high as the foundation bottom plate, the vertical rods are arranged in two rows at intervals along the length direction of the post-cast strip, a plurality of pouring holes are arranged in the middle of the water stop steel plate at intervals along the length direction of the water stop steel plate, and the pouring holes are arranged between the two rows of vertical rods; the both sides of stagnant water steel sheet are buckled the symmetry and are set up prefabricated template both sides, stagnant water steel sheet level sets up, the top and the bottom of prefabricated template are equipped with respectively and are on a parallel with the muscle is reserved to the first muscle of reserving and the second of stagnant water steel sheet, the muscle is reserved to first muscle and second and is followed post-cast strip width direction interval sets up, the both ends that the muscle was reserved to first muscle and second all expose in the both sides face of prefabricated template.
2. The basic post-cast strip template of claim 1, wherein: one side of the first reserved rib and one side of the second reserved rib are arranged corresponding to the reinforcing bars of the foundation slab, and the first reserved rib and the second reserved rib are connected with the reinforcing bars of the foundation slab through straight threads.
3. The basic post-cast strip template of claim 2, wherein: the length of the inner sides of the first reserved rib and the second reserved rib is more than or equal to half of the width of the post-cast strip.
4. The construction method for casting the post-cast strip by applying the template of the foundation post-cast strip according to any one of claims 1 to 3, characterized in that: the method comprises the following steps:
s1, prefabricating a sub-template;
s2, positioning and paying off the edge position of the post-cast strip;
s3, hoisting the prefabricated template;
s4, splicing prefabricated templates;
s5, plugging joints of the prefabricated templates;
s6, pouring a foundation slab;
s7, removing the plugging mortar of the joints of the prefabricated templates;
s8, pouring concrete in the post-pouring belt;
and S9, performing grouting treatment on the joints of the prefabricated templates.
5. The construction method for casting the post-cast strip according to claim 4, wherein: in step S1, the length of the edge of the water-stop steel plate extending out of the prefabricated form and contacting the wall is half of the thickness of the wall at the joint of the prefabricated form and the wall, where the water-stop steel plate extends out of the two side faces of the prefabricated form and is not less than 150mm, and the length of the edge of the water-stop steel plate extending out of the prefabricated form and contacting the wall is not less than 30 mm.
6. The construction method for casting the post-cast strip according to claim 4, wherein: in step S1, the joint of the vertical rod and the water stop steel plate is subjected to plug welding with a through hole.
7. The construction method for casting the post-cast strip according to claim 4, wherein: in the step S4, the overlapping positions of the water-stopping steel plates in two adjacent prefabricated formworks are connected by a double-sided full-welding method, and the overlapping length of the water-stopping steel plates of two adjacent prefabricated formworks is not less than 20 mm.
8. The construction method for casting the post-cast strip according to claim 4, wherein: in step S8, the post-cast strip is poured 14 days after the main structure is capped, and the post-cast strip is poured 60 days after the concrete on both sides is aged.
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| CN201711432867.4A CN108166531B (en) | 2017-12-26 | 2017-12-26 | Foundation post-cast strip template and construction method for casting post-cast strip |
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| CN201711432867.4A CN108166531B (en) | 2017-12-26 | 2017-12-26 | Foundation post-cast strip template and construction method for casting post-cast strip |
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| CN109024699B (en) * | 2018-09-04 | 2020-11-10 | 广东蕉岭建筑工程集团有限公司 | Integral water stop system and manufacturing method thereof |
| CN109944278A (en) * | 2019-03-11 | 2019-06-28 | 国骅建设有限公司 | Support construction and rear pouring tape construction method are exempted from a kind of post-cast strip |
| CN110397148A (en) * | 2019-07-22 | 2019-11-01 | 中铁第四勘察设计院集团有限公司 | A kind of prefabricated assembled catch pit structure and construction method |
| CN111074950B (en) * | 2019-12-31 | 2021-08-13 | 浙江世润建创科技发展有限公司 | Pre-closed advanced water stop post-cast strip for basement outer wall and construction method |
| CN111395407A (en) * | 2020-03-31 | 2020-07-10 | 中国二十二冶集团有限公司 | Cast-in-place concrete post-cast strip forming construction method |
| CN114021243B (en) * | 2021-11-29 | 2022-12-30 | 中国二十冶集团有限公司 | Coke oven foundation roof modular construction method based on BIM |
| CN114658250A (en) * | 2022-03-25 | 2022-06-24 | 中国建筑第七工程局有限公司 | Decoration integrated plugging method for reserved hole of lower suspended structure floor slab |
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| CN102635128B (en) * | 2012-04-27 | 2014-09-03 | 天津二十冶建设有限公司 | Foundation slab post-cast strip waterproof steel plate combined structure and bracing method thereof |
| CN105484260A (en) * | 2014-10-13 | 2016-04-13 | 湖南征驰工程技术咨询有限公司 | Design and construction method for resisting crack, preventing seepage and stopping floating for large-area basement structure bodies |
| CN105386447A (en) * | 2015-09-06 | 2016-03-09 | 上海建工七建集团有限公司 | Construction method for replacement support of post-cast strip in construction site |
| CN105133663A (en) * | 2015-09-18 | 2015-12-09 | 中铁十六局集团城市建设发展有限公司 | Post-cast strip device and construction method thereof |
| CN206070600U (en) * | 2016-08-31 | 2017-04-05 | 中国一冶集团有限公司 | A kind of basement bottom plate rear pouring tape plate device |
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