CN113152882A - Mixed construction method for basement exterior wall formwork and hot-laid waterproof coiled material - Google Patents
Mixed construction method for basement exterior wall formwork and hot-laid waterproof coiled material Download PDFInfo
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- CN113152882A CN113152882A CN202110474279.7A CN202110474279A CN113152882A CN 113152882 A CN113152882 A CN 113152882A CN 202110474279 A CN202110474279 A CN 202110474279A CN 113152882 A CN113152882 A CN 113152882A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/18—Making embankments, e.g. dikes, dams
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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
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
- E02D31/025—Draining membranes, sheets or fabric specially adapted therefor, e.g. with dimples
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D15/00—Apparatus or tools for roof working
- E04D15/06—Apparatus or tools for roof working for handling roofing or sealing material in roll form
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
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Abstract
The invention discloses a mixed construction method of a basement outer wall formwork and a hot-laid waterproof coiled material, and relates to the field of basement outer wall and waterproof construction. Under the condition that the working surface of the basement exterior wall is limited, building the brick film masonry on the outer side for waterproof layer construction, then pouring a raft, after finishing pouring of the raft, continuously building the brick film masonry until the exterior wall has the height of the working surface, erecting a film-coated multi-layer plate template on the inner side of the brick film masonry, and pouring to form a concrete exterior wall; and the upper part adopts a conventional double-template construction method to pour the concrete wall. And a waterproof layer and a waterproof protective layer are respectively laid on the inner side surface of the brick bed film masonry and the outer side surface of the concrete wall body, so that the waterproof property of the lower chamber is ensured. The invention has the beneficial effects that: the implementation is convenient, and the construction period is shortened; the method is not limited by space, and the outer wall hybrid formwork is flexible, changeable, safe and quick; the advanced cross backfilling is realized, the speed is high, and the construction period is short; high efficiency, easy quality control and wide application range.
Description
Technical Field
The invention relates to the field of building outer wall and waterproof construction, in particular to a mixed construction method of a basement outer wall formwork and a hot-laid waterproof coiled material.
Background
In high-rise buildings, the number of the common basements is large, the excavation depth of a foundation pit is deep, the surrounding environment field is narrow, and the common foundation pit support is realized by adopting a concrete filling pile and anchor rope combined support. The design generally considers that a working surface of 1.2-1.5 m is reserved on the side wall of the foundation pit support and serves as an operation working surface for subsequent basement exterior wall waterproof layer and template installation. However, the pile body is long (for example, 27m pile length, foundation pit depth 20m, pile top surface displacement 1cm, and angular deviation 1.5%, then the pile position displacement 13.3m at the bottom of the foundation pit), and the phenomena of pile body deviation and perpendicularity are easily generated in the cast-in-place pile construction, so that the reserved width of the working surface at the bottom of the foundation pit can not reach the size required by the operation, and further basement raft foundation brick membrane building, outer wall waterproof layer and wall formwork installation and reinforcement construction can not be performed, and the construction of the whole basement outer wall is seriously influenced.
Building brick bed moulds and plastering around the basement raft foundation edge templates according to a drawing set, adhering a waterproof layer to the side faces of the brick bed moulds, inserting ribs into the raft plates along the vertical reinforcing steel bars of the basement outer wall during binding of the raft plate reinforcing steel bars, then binding the wall reinforcing steel bars, pouring raft plate concrete, then erecting basement outer wall templates by adopting laminated multilayer boards, scaffold pipes and battens, arranging inclined struts on the outer sides for reinforcement, and after the concrete pouring completion age and strength of the outer wall meet requirements, carrying out an outer-protection outer-pasting method on waterproof coiled materials to be thermally paved on the basement outer wall.
The construction process is based on the most basic condition that a sufficient working surface is provided (the distance between the side wall of the foundation pit support and the outer wall of the basement is reserved by 1.2-1.5 m), but the large deviation exists in part of parts, so that the distance between the side wall of the pit support and the outer wall of the basement is only 0.4-0.6 m, further the support of the outer wall formwork of the basement and the subsequent paving construction of the waterproof layer of the outer wall cannot be carried out, and the technical problem to be solved by technical personnel in the field is how to carry out the construction of the formwork support and the waterproof layer of the outer wall under the working condition.
Disclosure of Invention
The invention provides a mixed construction method of a basement exterior wall formwork and a hot-laid waterproof coiled material, and aims to solve the technical problems that in a high-rise building, as the foundation pit supporting deviation of a concrete retaining wall pile is large, the construction space of a raft masonry brick moulding bed and an exterior wall formwork and a waterproof layer is limited, the construction is difficult, the quality is difficult to control, the cost is high, and the potential safety hazard is large under the conditions that the exterior wall waterproof and the template installation working surface cannot meet the construction conditions.
In order to realize the technical purpose, the invention adopts the following scheme: the mixed construction method of the basement outer wall formwork and the hot-laid waterproof roll comprises the following steps:
step one, building a bottom brick moulding bed masonry: clearing a groove to a maximum working surface position according to the size of the outer edge of a raft and the position of a foundation pit concrete retaining wall in actual construction in a drawing, pouring a concrete cushion after the groove is drilled and tested to be qualified, building a brick film masonry along the edge of the raft on the upper part of the concrete cushion after the age and the strength of the concrete meet design requirements, arranging buttress columns at intervals along the length direction between the brick film masonry and a supporting slope protection pile, abutting the outer edge of the buttress column against the concrete retaining wall surface of the foundation pit, increasing the stability of the brick film masonry and a masonry buttress column, and plastering and leveling the inner side surface of the brick film masonry;
step two, backfilling: after the mortar strength of the brick green-house masonry and the masonry buttress columns reaches the design requirement, performing backfill construction between the foundation pit concrete retaining wall and the outer side surface of the brick green-house masonry, wherein the height of the backfill is equal to the height of the upper surface of the brick green-house masonry;
step three, waterproof layer construction: fully adhering the waterproof coiled material to the upper surface of the concrete cushion layer and the inner surface of the brick bed membrane masonry by adopting a hot-laying method, then turning the joint part of the waterproof coiled material outwards to the upper surface of the brick bed membrane masonry, and building a temporary protection masonry on the upper surface of the waterproof coiled material on the brick bed membrane masonry to prevent the joint of the waterproof coiled material from being damaged in the construction process;
step four, waterproof protective layer construction: after the construction of the waterproof layer on the inner side of the brick bed film masonry is finished, constructing a waterproof protective layer on the inner side of the waterproof layer;
step five, pouring the raft plate: scribing and binding raft steel bars on the waterproof protective layer at the bottom of the raft, inserting the basement outer wall steel bars into the bottom of the raft to be firmly bound with the raft steel bars, embedding and welding steel bar ground anchors on the raft steel bars, and pouring raft concrete;
step six, after the age and the strength of the concrete raft reach design requirements, removing the temporary protection masonry and the waterproof protection layer at the top of the brick moulding bed masonry together, turning the waterproof coiled material back to the inner side of the brick moulding bed, continuously building the brick moulding bed masonry and the buttress columns upwards, and plastering and trowelling the inner side surface of the brick moulding bed masonry;
seventhly, performing backfill construction between the foundation pit concrete retaining wall and the outer side surface of the brick fetal membrane masonry after the strength of the masonry mortar of the brick fetal membrane masonry and the masonry buttress column reaches the design requirement, wherein the height of the backfill is equal to the height of the upper surface of the brick fetal membrane masonry;
step eight, performing waterproof layer construction on the newly built brick film masonry by using a hot-laying method to turn back the waterproof coiled material before the new waterproof coiled material is lapped, and then constructing a waterproof protective layer;
binding external wall steel bars of the basement, arranging an inner side film-coated multi-layer plate template and reinforcing after the acceptance is qualified, pouring external wall concrete in a layered mode after the acceptance of the template is qualified, and vibrating tightly;
step ten, repeating the steps six to nine until the position of the basement outer wall of which the upper foundation pit concrete retaining wall is not affected by the deviation of the foundation pit wall is reached, then adopting a conventional construction method to pour the basement concrete outer wall, removing the temporary protection masonry after the age and the strength of the concrete outer wall meet the design requirements, connecting the temporary protection masonry with the waterproof coiled material joint, and continuously sticking the waterproof coiled material to the basement roof waterproof layer to finish the construction;
and step eleven, backfilling and tamping the backfill soil between the foundation pit retaining wall and the basement concrete outer wall in a layered mode.
Compared with the prior art, the invention has the beneficial effects that: (1) the implementation is convenient, the working procedures are advanced, and the construction period is shortened; (2) the device is not limited by space and has wide application range; (3) the turnover material investment is less, the material transportation is reduced, and the construction cost is low; (4) the outer wall hybrid formwork is flexible, changeable, safe and quick; (5) the advanced cross backfilling is realized, the speed is high, and the construction period is short; (6) high efficiency, easy quality control and wide application range.
The preferred scheme of the invention is as follows:
in the first step, the height of the brick moulding bed brickwork exceeds 200mm of the upper surface of the raft.
The waterproof protective layer is a cement mortar layer.
Step nine, arranging a multilayer board with a film coated on the inner side, and fixing the vertical wood square secondary ridges on the outer side of the multilayer board with iron nails to ensure that the mutual fixation is firm; uniformly drilling holes in the laminated multilayer board, inserting a screw rod matched with the 3-shaped gasket into the external wall steel bars of the basement for firm welding, and then erecting the laminated multilayer board to be combined on the surface of the wall; and (3) pressing the double-steel-pipe main ridges against the wood square secondary ridges by using the double-steel-pipe main ridges, and screwing the nuts to ensure that the double-steel-pipe main ridges are tightly pressed on the outer sides of the wood square secondary ridges.
Reinforcing the single-sided template of the multilayer board coated with the film in the nine steps: hold in the palm the open end with U and buckle two steel pipe owner stupexes, the screw rod end is inserted in horizontal steel pipe, horizontal steel pipe is connected through the fastener with vertical cover short steel pipe on the earth anchor, U holds in the palm the screw rod in the one end of bracing, U holds in the palm the open end and buckles two steel pipe owner stupexes, the bracing other end passes through the fastener with vertical cover short steel pipe on the earth anchor and is connected, each horizontal steel pipe, the bracing is through vertical system steel pipe formation wholly that links, stability is increased, the outer wall concrete is pour in layers after the acceptance check is qualified, it is closely knit to vibrate.
In the step ten, the conventional construction method means that the basement concrete outer wall is poured by adopting a double-faced film-coated multilayer board, matching wood square secondary ridges, double steel pipe main ridges, a 3-shaped gasket matching screw and an inclined strut.
Drawings
FIG. 1 is a top view of a bottom brick fetal membrane masonry constructed in accordance with an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the bottom brick fetal membrane masonry after being constructed according to the embodiment of the present invention;
fig. 3 is a cross-sectional view of a raft cast according to an embodiment of the invention;
FIG. 4 is a cross-sectional view of a brick membrane masonry in a face position according to an embodiment of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
FIG. 6 is a cross-sectional view of an external wall hybrid formwork according to an embodiment of the present invention;
FIG. 7 is an inside view of an exterior wall hybrid formwork provided in accordance with an embodiment of the present invention;
FIG. 8 is a cross-sectional view of the completed construction provided by the embodiment of the present invention;
labeled as: 1. a concrete cushion; 2. brick moulding bed masonry; 3. waterproof coiled materials; 4. a waterproof protective layer; 5. temporarily protecting the masonry; 6. raft plate steel bars; 7. reinforcing steel bars of the basement outer wall; 8. a ground anchor; 9. a raft plate; 10. laminating a multilayer board; 11. wood square secondary corrugation; 12. a 3-shaped gasket is matched with a screw rod; 13. main ridges of double steel pipes; 14. u support; 15. short steel pipes; 16. a horizontal steel pipe; 17. a fastener; 18. bracing; 19. longitudinally connecting steel pipes; 20. the basement outer wall is not affected by the deviation of the foundation pit wall; 21. concrete retaining walls of the foundation pit; 22. backfilling; 23. a basement roof; 24. slope protection piles; 25. brickwork buttress post.
Detailed Description
The present invention will be described in detail with reference to the following embodiments in order to fully understand the objects, features and effects of the invention, but the present invention is not limited thereto.
In the high-rise building, a foundation pit support is combined by a concrete cast-in-place pile and an anchor rope; the deviation of the supporting slope protection pile 24 causes the reserved width of the working face at the bottom of the foundation pit to be far less than the size required by operation, so that construction cannot be carried out, the working face can meet the construction requirement generally when the working face is upwards to a certain height deviation position space, and the mixed construction method provided by the invention is adopted at the part with the unsatisfactory requirement on the working face. The side of the foundation pit protecting wall is the outer side, and the side of the raft 9 is the inner side.
The invention provides a mixed construction method of a basement exterior wall formwork and a hot-laid waterproof coiled material, which comprises the following steps:
step one, building a bottom brick moulding bed masonry 2: clearing grooves to the position of a working surface as large as possible according to the size of the outer edge of a raft 9 and the position of a foundation pit concrete retaining wall 21, pouring a concrete cushion 1 after drilling and groove inspection are qualified, building brick-mould masonry 2 on the upper portion of the concrete cushion 1 along the edge of the raft 9 after the age and the strength of the concrete cushion 1 meet design requirements, wherein the height of the brick-mould masonry 2 exceeds the thickness top surface 200mm of the raft 9, building masonry buttress columns 25 at intervals of 1000mm in the length direction of a foundation pit, and tightly supporting the outer edge of each masonry buttress column 25 on the surface of the foundation pit concrete retaining wall 21, so that the stability of the brick-mould masonry 2 and the masonry buttress columns 25 is improved, and plastering and leveling are performed on the inner side surface of the brick-mould masonry 2, as shown in fig. 1.
Step two, backfilling: and after the mortar strength of the brick green-house masonry 2 and the masonry buttress column 25 reaches the design requirement, constructing backfill 22 between the foundation pit concrete retaining wall 21 and the outer side surface of the brick green-house masonry 2, wherein the height of the backfill is equal to the height of the upper surface of the brick green-house masonry 2.
Step three, waterproof layer construction: and fully adhering the waterproof coiled material 3 to the upper surface of the concrete cushion layer 1 and the inner surface of the brick bed film masonry 2 by adopting a hot paving method, turning the joint part of the waterproof coiled material 3 outwards to the top surface of the brick bed film masonry 2, and building a temporary protection masonry 5 on the upper surface of the waterproof coiled material on the top surface of the brick bed film masonry 2 to prevent the joint of the waterproof coiled material 3 from being damaged in construction.
Step four, constructing a waterproof protective layer 4: after the construction of the waterproof coiled material 3 on the inner side of the brick bed membrane masonry 2 is finished, a waterproof protective layer 4 is constructed on the inner side of the waterproof coiled material 3, and the waterproof protective layer 4 is a cement mortar layer.
Fifthly, marking lines on the waterproof protective layer 4 at the bottom of the raft 9 for binding the raft reinforcing steel bars 6, inserting bars of the basement outer wall reinforcing steel bars 7 to the bottom of the raft 9 for firmly binding with the raft reinforcing steel bars 6, pre-burying and welding the reinforcing steel bar ground anchors 8 on the raft reinforcing steel bars 6, and pouring concrete of the raft 9, as shown in fig. 2 and 3.
And step six, after the age and the strength of the concrete raft 9 meet the design requirements, removing the temporary protection masonry 5 and the waterproof protection layer 4 at the top of the brick film masonry 2 together, turning the waterproof coiled material back to the inner side of the brick film, then continuing building the brick film masonry 2 and the masonry buttress column 25, and plastering and troweling the inner side surface of the brick film masonry 2, as shown in fig. 4 and 5.
And seventhly, after the masonry mortar strength of the brick tire membrane masonry 2 and the masonry buttress column 25 reaches the design requirement, constructing backfill 22 between the foundation pit concrete retaining wall 21 and the outer side surface of the brick tire membrane masonry 2, wherein the height of the backfill is equal to the height of the upper surface of the brick tire membrane masonry 2.
Step eight, fully adhering the turned-back waterproof coiled material 3 to the plastering layer on the inner surface of the brick bed film masonry 2 before the new waterproof coiled material 3 is lapped by adopting a hot paving method, turning the joint part of the waterproof coiled material 3 outwards to the top surface of the brick bed film masonry 2, and building a temporary protection masonry 5 at the upper part of the brick bed film masonry to prevent the joint of the waterproof coiled material 3 from being damaged in the construction process.
And step nine, after the construction of the waterproof coiled material 3 on the inner side of the brick moulding bed masonry 2 is finished, constructing a waterproof protective layer 4 on the inner side of the waterproof coiled material 3.
Step ten, binding the external wall steel bars 7 of the basement, erecting the internal side film-coated multilayer board 10 after acceptance check, fixing the vertical wood square secondary ridges 11 on the external side of the film-coated multilayer board 10 by using iron nails to ensure firm fixation, inserting the screws of the screws 12 matched with the 3-shaped gaskets into the external wall steel bars 7 of the basement after uniformly drilling holes on the surface of the film-coated multilayer board 10 at intervals, and firmly welding, and then vertically combining the film-coated multilayer board 10 on the surface of the wall; the double-steel-pipe main edge 13 is abutted against the wood square secondary edge 11, the double-steel-pipe main edge 13 is pressed by a gasket of a 3-shaped gasket matched screw 12, and the nut is screwed to ensure that the double-steel-pipe main edge 13 is firmly abutted against the outer side of the wood square secondary edge 11.
Step eleven, reinforcing the single-side template of the laminated multi-layer board 10, buckling the main ridges 13 of the double steel pipes by using the opening ends of the U supports 14, inserting the screw rod ends into the horizontal steel pipes 16, connecting the horizontal steel pipes 16 with the short steel pipes 15 vertically sleeved on the ground anchors 8 through fasteners 17, inserting one ends of the inclined struts 18 into the screw rods of the U supports 14, buckling the main ridges 13 of the double steel pipes by using the opening ends of the U supports 14, connecting the other ends of the inclined struts 18 with the short steel pipes 15 vertically sleeved on the ground anchors 8 through the fasteners 17, connecting the horizontal steel pipes 16 and the inclined struts 18 with each other at intervals through longitudinal connecting steel pipes 19 to form a whole, increasing the stability of the double steel pipes, pouring the outer wall concrete in layers after acceptance check is qualified, and compacting by vibration, as shown in fig. 6 and 7.
And a twelfth step of constructing the brick-tire membrane masonry 2 until the upper foundation pit concrete retaining wall 21 reaches the position of the basement outer wall 20 which is not affected by the deviation of the foundation pit wall, and then finishing the pouring of the basement concrete outer wall by adopting a conventional construction method and adopting a double-faced film-coated multilayer plate 10 in combination with the wood square secondary ridge 11, the double-steel-pipe main ridge 13, the 3-shaped gasket matched screw 12, the inclined strut 18 and the like. And after the age and the strength of the concrete outer wall meet the design requirements, removing the temporary protection masonry 5, connecting the temporary protection masonry with the lower waterproof coiled material joint, and continuously sticking the waterproof coiled material 3 to the basement roof 23 to complete the waterproof layer construction.
And thirteen, finally, backfilling and tamping the backfill soil 22 between the foundation pit concrete retaining wall 21 and the basement outer wall 20 which is not influenced by the deviation of the foundation pit wall in a layered manner, as shown in fig. 8.
Finally, it is noted that: the above-mentioned list is only the preferred embodiment of the present invention, and naturally those skilled in the art can make modifications and variations to the present invention, which should be considered as the protection scope of the present invention provided they are within the scope of the claims of the present invention and their equivalents.
Claims (6)
1. A mixed construction method for a basement exterior wall formwork and a hot-laid waterproof coiled material is characterized by comprising the following steps:
step one, building a bottom brick moulding bed masonry: clearing a groove to a maximum working surface position according to the size of the outer edge of a raft and the position of a foundation pit concrete retaining wall in actual construction in a drawing, pouring a concrete cushion after the groove is drilled and tested to be qualified, building a brick film masonry along the edge of the raft on the upper part of the concrete cushion after the age and the strength of the concrete meet design requirements, arranging buttress columns at intervals along the length direction between the brick film masonry and a supporting slope protection pile, abutting the outer edge of the buttress column against the concrete retaining wall surface of the foundation pit, increasing the stability of the brick film masonry and a masonry buttress column, and plastering and leveling the inner side surface of the brick film masonry;
step two, backfilling: after the mortar strength of the brick green-house masonry and the masonry buttress columns reaches the design requirement, performing backfill construction between the foundation pit concrete retaining wall and the outer side surface of the brick green-house masonry, wherein the height of the backfill is equal to the height of the upper surface of the brick green-house masonry;
step three, waterproof layer construction: fully adhering the waterproof coiled material to the upper surface of the concrete cushion layer and the inner surface of the brick bed membrane masonry by adopting a hot-laying method, then turning the joint part of the waterproof coiled material outwards to the upper surface of the brick bed membrane masonry, and building a temporary protection masonry on the upper surface of the waterproof coiled material on the brick bed membrane masonry to prevent the joint of the waterproof coiled material from being damaged in the construction process;
step four, waterproof protective layer construction: after the construction of the waterproof layer on the inner side of the brick bed film masonry is finished, constructing a waterproof protective layer on the inner side of the waterproof layer;
step five, pouring the raft plate: scribing and binding raft steel bars on the waterproof protective layer at the bottom of the raft, inserting the basement outer wall steel bars into the bottom of the raft to be firmly bound with the raft steel bars, embedding and welding steel bar ground anchors on the raft steel bars, and pouring raft concrete;
step six, after the age and the strength of the concrete raft reach design requirements, removing the temporary protection masonry and the waterproof protection layer at the top of the brick moulding bed masonry together, turning the waterproof coiled material back to the inner side of the brick moulding bed, continuously building the brick moulding bed masonry and the buttress columns upwards, and plastering and trowelling the inner side surface of the brick moulding bed masonry;
seventhly, performing backfill construction between the foundation pit concrete retaining wall and the outer side surface of the brick fetal membrane masonry after the strength of the masonry mortar of the brick fetal membrane masonry and the masonry buttress column reaches the design requirement, wherein the height of the backfill is equal to the height of the upper surface of the brick fetal membrane masonry;
step eight, performing waterproof layer construction on the newly built brick film masonry by using a hot-laying method to turn back the waterproof coiled material before the new waterproof coiled material is lapped, and then constructing a waterproof protective layer;
binding external wall steel bars of the basement, arranging an inner side film-coated multi-layer plate template and reinforcing after the acceptance is qualified, pouring external wall concrete in a layered mode after the acceptance of the template is qualified, and vibrating tightly;
step ten, repeating the steps six to nine until the position of the basement outer wall of which the upper foundation pit concrete retaining wall is not affected by the deviation of the foundation pit wall is reached, then adopting a conventional construction method to pour the basement concrete outer wall, removing the temporary protection masonry after the age and the strength of the concrete outer wall meet the design requirements, connecting the temporary protection masonry with the waterproof coiled material joint, and continuously sticking the waterproof coiled material to the basement roof waterproof layer to finish the construction;
and step eleven, backfilling and tamping the backfill soil between the foundation pit retaining wall and the basement concrete outer wall in a layered mode.
2. The hybrid construction method of the basement exterior wall formwork and the hot-laid waterproof roll according to claim 1, wherein in the first step, the height of the brick moulding bed masonry exceeds 200mm of the upper surface of the raft.
3. The hybrid construction method of the basement exterior wall formwork and the hot-laid waterproof roll according to claim 1, wherein the waterproof protective layer is a cement mortar layer.
4. The hybrid construction method of the basement exterior wall formwork and the hot-laid waterproof roll according to claim 1, wherein in the ninth step, an inner-side laminated board is arranged, and the vertical wood square secondary ridges are fixed on the outer side of the laminated board by iron nails, so that the mutual fixation is ensured to be firm; uniformly drilling holes in the laminated multilayer board, inserting a screw rod matched with the 3-shaped gasket into the external wall steel bars of the basement for firm welding, and then erecting the laminated multilayer board to be combined on the surface of the wall; and (3) pressing the double-steel-pipe main ridges against the wood square secondary ridges by using the double-steel-pipe main ridges, and screwing the nuts to ensure that the double-steel-pipe main ridges are tightly pressed on the outer sides of the wood square secondary ridges.
5. The hybrid construction method of the basement exterior wall formwork and the hot-laid waterproof roll according to claim 1, characterized in that the nine-step film-coated multi-layer board single-face formwork reinforcement: hold in the palm the open end with U and buckle two steel pipe owner stupexes, the screw rod end is inserted in horizontal steel pipe, horizontal steel pipe is connected through the fastener with vertical cover short steel pipe on the earth anchor, U holds in the palm the screw rod in the one end of bracing, U holds in the palm the open end and buckles two steel pipe owner stupexes, the bracing other end passes through the fastener with vertical cover short steel pipe on the earth anchor and is connected, each horizontal steel pipe, the bracing is through vertical system steel pipe formation wholly that links, stability is increased, the outer wall concrete is pour in layers after the acceptance check is qualified, it is closely knit to vibrate.
6. The hybrid construction method of the basement exterior wall formwork and the hot-laid waterproof roll according to claim 1, wherein in the tenth step, the conventional construction method is to pour the basement concrete exterior wall by adopting a double-faced laminated board, a wood square secondary ridge, a double steel pipe main ridge, a 3-shaped gasket matched screw and an inclined strut.
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