CN109441099B - Basement unilateral formwork supporting system and method for constructing basement outer wall by utilizing same - Google Patents
Basement unilateral formwork supporting system and method for constructing basement outer wall by utilizing same Download PDFInfo
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- CN109441099B CN109441099B CN201811480929.3A CN201811480929A CN109441099B CN 109441099 B CN109441099 B CN 109441099B CN 201811480929 A CN201811480929 A CN 201811480929A CN 109441099 B CN109441099 B CN 109441099B
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- 238000009415 formwork Methods 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 81
- 239000010959 steel Substances 0.000 claims abstract description 81
- 238000010276 construction Methods 0.000 claims abstract description 36
- 239000003337 fertilizer Substances 0.000 claims abstract description 22
- 239000002131 composite material Substances 0.000 claims abstract description 8
- 239000011120 plywood Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 8
- 239000012774 insulation material Substances 0.000 claims description 4
- 239000002023 wood Substances 0.000 claims description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 238000004078 waterproofing Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
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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
- E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
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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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
-
- 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
- E02D29/02—Retaining or protecting walls
- E02D29/0258—Retaining or protecting walls characterised by constructional features
- E02D29/0275—Retaining or protecting walls characterised by constructional features cast in situ
-
- 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
-
- 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
- E04G17/14—Bracing or strutting arrangements for formwalls; Devices for aligning forms
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Mechanical Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The single-side formwork supporting system comprises a formwork and a plurality of single-side supporting frame bodies supported outside the formwork, wherein the formwork is formed by splicing a plurality of formwork units, each formwork unit comprises a rectangular formwork panel, rectangular frames surrounding and fixed on the periphery of the rectangle, formwork steel frame main ribs and Z-shaped steel frame secondary ribs, the plurality of formwork steel frame main ribs are vertically and uniformly arranged between the rectangular frame long frames at intervals, the number of Z-shaped steel frame secondary ribs is two, and the two outermost formwork steel frame main ribs and the rectangular frame short frames are respectively vertically arranged. The construction method is simple and convenient in construction, reasonable in working procedure and low in input cost, and the problems of zero fertilizer groove structure, difficult waterproof construction and hidden backfill quality hazards of the basement can be effectively solved by constructing the fertilizer groove backfill composite lightweight aggregate concrete water retaining wall, then constructing the basement outer wall for waterproofing and finally constructing the basement outer wall in the construction sequence through twice formwork erection.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a basement single-side formwork supporting system and a method for constructing a basement outer wall by using the same.
Background
In the building engineering, two-sided formwork supports are usually adopted, two ends of a wall penetrating bolt are respectively fixed with side formwork supports, building land in cities is increasingly tense, the utilization rate of a newly built project on underground space is increasingly high, a basement is often designed with a zero-fertilizer groove, the construction space requirement of the conventional basement outer wall two-sided formwork cannot be guaranteed, and a single-sided formwork construction process is developed.
At present, the single-side formwork supporting technology at home and abroad is mature, and three common forms are:
(1) The scheme of setting split bolts by utilizing slope protection piles and enclosure walls.
The split bolts are arranged to destroy the waterproof integrity of the outer wall of the basement, a large number of bolt holes are added on the waterproof layer, the repair is time-consuming and labor-consuming, the waterproof repair cost is high, and the split bolt has a certain hidden danger of water leakage.
(2) The profile steel truss is used as a single-side template supporting frame, and foundation bolts are arranged to fix the supporting frame.
Because the profile steel truss has heavy weight, the profile steel truss is difficult to move by manpower, and the installation needs to rely on a tower crane; in the construction process, the full-hall frame can be erected to carry out floor construction only after the bracket is dismantled, so that the construction progress of the structure is affected; the steel truss has high manufacturing cost, and if the steel truss cannot be recycled, the project construction cost can be increased.
(3) The steel pipe fastener is adopted to set up the bent frame and is provided with the diagonal bracing so as to be used as a template support.
The steel pipe fastener bent frame has large workload of erection and dismantling, more support nodes are connected by all fasteners, and the fastening tightness of all the nodes is difficult to ensure, so that the die expansion is easy to occur; the construction process needs to cast wall concrete first, and then the floor is erected to fill the hall frame after the form is removed, so that the influence on the structural progress is great.
Disclosure of Invention
The invention aims to provide a basement unilateral formwork system and a method for constructing a basement outer wall by using the same, which aims to solve the technical problems that when a basement is designed with a zero-fertilizer groove, the stability of the existing unilateral formwork is poor, the condition of running and expanding the formwork possibly occurs under the influence of external force or environmental temperature change, the deformation is caused, the supporting strength is influenced and hidden danger exists; and solves the problems that the flatness is lower, the basement outer wall is waterproof, and the construction quality of backfilling the fertilizer groove can not be ensured when the single-side formwork is supported in the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a basement unilateral formwork system, characterized in that: the formwork unit comprises a rectangular formwork panel, rectangular frames surrounding and fixed around the rectangle, a formwork steel frame main rib and Z-shaped steel frame secondary ribs, wherein the plurality of formwork steel frame main ribs are vertically and uniformly arranged between the rectangular frame long frames at intervals, and the two Z-shaped steel frame secondary ribs are vertically arranged between the two outermost formwork steel frame main ribs and the rectangular frame short frames respectively;
the unilateral support frame body comprises an upper rectangular standard section and a lower special-shaped heightening section which is fixedly connected with the upper rectangular standard section through a bolt assembly, the lower special-shaped heightening section comprises an upper horizontal edge, an inner vertical edge, an outer inclined edge and a bottom inclined edge, pre-buried foundation bolts and an adjustable support are respectively arranged between the bottom inclined edge and the inner vertical edge and between the bottom inclined edge and the outer inclined edge to be fixedly connected, the adjustable support is fixedly connected with the lower special-shaped heightening section through a threaded connecting piece, an adjusting handle is arranged on the upper portion of the adjustable support, the adjusting handle penetrates through an upper hole of the adjustable support to be fixedly connected with the adjustable support, and the adjustable support can be rotated through rotating the adjusting handle, so that the perpendicularity of the unilateral support frame body is adjusted.
The vertical edges at the outer sides of the upper rectangular standard sections and the outer oblique edges of the special-shaped heightening sections are respectively provided with steel pipe fasteners, and the adjacent unilateral support frame bodies simultaneously penetrate through the steel pipe fasteners of the upper rectangular standard sections and the special-shaped heightening sections through a plurality of horizontal steel pipes to be connected in series.
Further preferably, the template and the unilateral support frame are also supported with a rectangular adjusting frame body for adjusting the transverse length of the formwork supporting system.
Further, the template is fixedly connected with the unilateral support frame body or the rectangular adjusting frame body through a template adapter, a horizontal steel pipe and a keel adapter, the template is connected with the horizontal square steel pipe through the template adapter, and the horizontal square steel pipe is connected with the unilateral support frame body or the rectangular adjusting frame body through the keel adapter.
Further, the unilateral support frame body and the rectangular adjusting frame body are connected and fixed through a keel adapter and a horizontal square steel tube. The horizontal square steel pipe is connected with the unilateral support frame body and the rectangular adjusting frame body through the keel adapting piece.
Further, the template steel frame main rib is axisymmetric structure, including the first connection limit, first hypotenuse, first reverse hypotenuse, top surface, second hypotenuse, second reverse hypotenuse and the second connection limit that set up in order, first connection limit and second connection limit all set up with template panel laminating, and first hypotenuse and second hypotenuse all incline towards the top surface, and are higher than the top surface elevation setting, be equipped with two sunken concave surfaces of inwards caving in on the top surface, template steel frame main rib has bending resistance good, self light in weight, workman convenient operation's advantage.
Further, be equipped with the recess that can inlay and establish the template panel border on the rectangle frame, still be equipped with the outside semicircle bolt hole of notch on the rectangle frame, semicircle bolt hole is the installation point position that template adaptor worn the template panel.
In addition, the template panel is a plastic-covered plywood, and the plastic-covered plywood comprises a plastic-covered plywood with the thickness of 1.5mm and a wood plywood with the thickness of 12 mm.
More preferably, the rectangular frame, the template steel frame main rib and the Z-shaped steel frame secondary rib are hot-rolled deformed steel, and the steel material is Q235.
The method for constructing the basement outer wall by utilizing the basement zero fertilizer groove single-side formwork supporting system is characterized by comprising the following steps of: the method comprises the following steps:
step one, construction of a concrete retaining wall: a formwork, a rectangular adjusting frame body and a single-side supporting frame body are sequentially erected outside the basement fertilizer groove from outside to inside, and concrete is filled in the basement fertilizer groove between the formwork and the foundation pit supporting structure to form a concrete retaining wall;
step two, dismantling a single-side template support frame: sequentially removing the single-side support frame body, the rectangular adjusting frame body and the template;
thirdly, waterproof construction of the basement outer wall: fully sticking waterproof coiled materials on the outer wall surface of the concrete retaining wall to form a waterproof layer;
fourthly, constructing the basement exterior wall: firstly binding reinforcing steel bars of the basement outer wall, then erecting a template and a single-side support frame body, pouring concrete between the template and the concrete retaining wall to form the basement outer wall, and finally removing the template and the single-side support frame body. Thus, the construction of the basement outer wall is completed.
More preferably, the concrete retaining wall is formed by pouring composite lightweight aggregate concrete which can be used as a basement exterior wall heat insulation material.
Compared with the prior art, the invention has the following characteristics and beneficial effects:
on the premise of ensuring the strength and rigidity of the formwork, the invention is provided with firm lateral support, so that the conditions of no running, expansion and the like of a single-side formwork system without wall penetrating bolts can be ensured, and by utilizing the method, the backfilling of a fertilizer tank, the waterproof of the basement outer wall and the construction operation of the basement outer wall are ensured, thereby meeting the field safety requirements and the field construction requirements.
The formwork system realizes the construction of the composite lightweight aggregate concrete water retaining wall by firstly constructing the fertilizer groove and then constructing the basement outer wall for water prevention and finally constructing the construction sequence of the basement outer wall through twice formwork supporting, effectively solves the problems of water prevention of the basement outer wall and difficult construction of the fertilizer groove backfill under the condition of zero fertilizer groove, has low heat conductivity coefficient due to the adoption of the composite lightweight aggregate concrete as the fertilizer groove material, can be used as a basement outer wall heat insulation material, and is environment-friendly.
The construction method is simple and convenient in construction, reasonable in working procedure and low in input cost, and the problems of zero fertilizer groove structure, difficult waterproof construction and hidden backfill quality hazards of the basement can be effectively solved by constructing the fertilizer groove backfill composite lightweight aggregate concrete water retaining wall, then constructing the basement outer wall for waterproofing and finally constructing the basement outer wall in the construction sequence through twice formwork erection.
The invention adopts the standardized steel frame wood plastic template, has high template strength, multiple turnover times, good concrete forming quality, good construction safety and strong technical applicability, has good popularization and practical values, and can generate good economic benefit after wide popularization and application.
Drawings
Fig. 1 is a construction state diagram of an unworked concrete retaining wall according to the present invention;
FIG. 2 is an enlarged schematic view of the portion A in FIG. 1;
FIG. 3 is an enlarged schematic view of the portion B in FIG. 1;
FIG. 4 is an enlarged schematic view of the portion C in FIG. 1;
FIG. 5 is a schematic view of the construction of the concrete retaining wall according to the present invention;
FIG. 6 is a schematic view of the construction of the exterior wall of the basement according to the present invention;
FIG. 7 is a schematic view of a template unit according to the present invention;
FIG. 8 is a schematic cross-sectional view of a rectangular frame according to the present invention;
FIG. 9 is a rear view of FIG. 7;
FIG. 10 is an enlarged schematic view of the portion E of FIG. 9;
fig. 11 is an enlarged schematic view of the portion D in fig. 5.
Reference numerals: 1-a template unit; 11-rectangular template panels; 12-rectangular frames; 13-a template steel frame main rib; 14-Z-shaped steel frame secondary ribs; 131-first connecting edge, 132-first oblique edge, 133-top surface, 134-second oblique edge; 135-a second connecting edge; 136-a second reverse hypotenuse; 137-concave surface; 138-a first reverse hypotenuse; 14-Z-shaped steel frame secondary ribs; 2-single-sided support frames; 21-upper rectangular standard section; 22-special heightening sections; 221-upper horizontal edge; 222-an inboard vertical side; 223-outboard cant edge; 224-bottom diagonal side; 3-obliquely embedding bolts; 4-vertical anchor bolts; a 5-bolt assembly; 6-rectangular adjusting frame body; 7-a basement fertilizer groove; 8-a foundation pit supporting structure; 9-concrete retaining walls; 10-reserving space; 16-grooves; 17-semicircular bolt holes, 18-connecting pieces; 19-an adjusting handle; 20-horizontal steel pipes; 23-basement structural floor; 24-pipe fasteners; 25-waterproof layers; 26-basement exterior wall; 27-a template adapter; 28-horizontal steel pipes; 29-keel adaptor.
Detailed Description
The present invention will be further described below in order to make the technical means, innovative features, achieved objects and effects achieved by the present invention easy to understand.
The examples described herein are specific embodiments of the present invention, which are intended to illustrate the inventive concept, are intended to be illustrative and exemplary, and should not be construed as limiting the invention to the embodiments and scope of the invention. In addition to the embodiments described herein, those skilled in the art can adopt other obvious solutions based on the disclosure of the claims and specification of the present application, including those adopting any obvious substitutions and modifications to the embodiments described herein.
The invention belongs to a basement single-side formwork system, which belongs to basement zero-fertilizer groove single-side formwork waterproof and heat-insulating integrated outer wall construction technology, as shown in fig. 5, and is arranged on a basement structure floor 23, and comprises a formwork and a plurality of single-side supporting frame bodies 2 which are supported outside the formwork, wherein the single-side supporting frame bodies 2 are uniformly arranged outside the formwork at intervals, the distance between every two adjacent single-side supporting frame bodies 2 is 600mm, the formwork is formed by splicing a plurality of formwork units 1, as shown in fig. 7 and 9, each formwork unit 1 comprises a rectangular formwork panel 11, rectangular frames 12, formwork steel frame main ribs 13 and Z-shaped steel frame sub ribs 14 which are fixedly arranged around the rectangle, the plurality of formwork steel frame main ribs 13 are vertically and uniformly arranged between the long frames of the rectangular frames 12, the Z-shaped steel frame sub ribs 14 are vertically arranged between the two outermost formwork steel frame main ribs 13 and the short frames of the rectangular frames 12 respectively, the rectangular formwork panel 11 is preferably 2400mm long, the width is 600mm, the formwork steel frame main ribs 13 on each formwork unit 2 are 5, and the adjacent steel frame main ribs 13 are 600mm long, and the distance between every two adjacent steel frame main frames is 300mm long and 300mm long.
As shown in fig. 10, the main rib 13 of the formwork steel frame is in an axisymmetric structure, and comprises a first connecting edge 131, a first inclined edge 132, a first reverse inclined edge 138, a top surface 133, a second reverse inclined edge 136, a second inclined edge 134 and a second connecting edge 135 which are sequentially arranged, wherein the first connecting edge 131 and the second connecting edge 135 are attached to the formwork panel 11, the first inclined edge 132 and the second inclined edge 134 incline towards the top surface 133 and are higher than the elevation of the top surface 133, two concave surfaces 137 which are concave inwards are arranged on the top surface 133, and the main rib 13 of the formwork steel frame has the advantages of high strength and small steel consumption. As shown in fig. 10, the rectangular frame 12 is provided with a groove 16 capable of being embedded with the edge of the die plate surface 11, as shown in fig. 7, the rectangular frame 12 is also provided with a semicircular bolt hole 17 with an outward notch, and the semicircular bolt hole 17 is used for fixing the die plate by the die plate adapter. The rectangular frame 12, the template steel frame main rib 13 and the Z-shaped steel frame secondary rib 14 are hot-rolled deformed steel, and the steel material is Q235. The template panel 11 is a plastic-covered plywood with a plastic surface thickness of 2mm and a plywood thickness of 13.5mm, and the plastic-covered plywood comprises a plastic surface with a thickness of 1.5mm and a wood plywood with a thickness of 12 mm.
As shown in fig. 1, the unilateral support frame body 2 comprises an upper rectangular standard section 21 and a lower special-shaped heightening section 22 fixedly connected with the upper rectangular standard section 21 through a bolt assembly 5, the bolt assembly 5 is structurally shown in fig. 2, the lower special-shaped heightening section 22 comprises an upper horizontal edge 221, an inner vertical edge 222, an outer inclined edge 223 and a bottom inclined edge 224, pre-buried foundation bolts 3 and an adjustable support 4 are respectively arranged between the bottom inclined edge 224 and the inner vertical edge 222 and the outer inclined edge 223 and are fixedly connected, the adjustable support 4 is fixedly connected with the lower special-shaped heightening section 22 through a threaded connecting piece 18, an adjusting handle 19 is arranged at the upper part of the adjustable support 4, the adjusting handle 19 penetrates through an upper hole of the adjustable support 4 to be connected with the adjustable support 4, and the adjustable support 4 can be rotated through rotating the adjusting handle 19, so that the perpendicularity of the unilateral support frame body 2 is adjusted.
As shown in fig. 3, steel pipe fasteners 24 are respectively arranged on the outer vertical side of the upper rectangular standard section 21 and the outer inclined side 223 of the special-shaped heightening section 22, and the adjacent single-side support frame body 2 is connected in series through a plurality of horizontal steel pipes 20 which simultaneously pass through the steel pipe fasteners 24 of the upper rectangular standard section 21 and the special-shaped heightening section 22, wherein the lengths of the horizontal steel pipes 20 are 6m.
The template and the unilateral support frame body 2 are also supported with a rectangular adjusting frame body 6 for adjusting the transverse length of the formwork supporting system, the rectangular adjusting frame body 6 is manufactured by a square pipe 80, and the adjusting frame body 6 enables the same set of template system to be capable of turning between a pouring fertilizer groove and external wall concrete. As shown in fig. 4 and 11, the template unit 1 is fixedly connected with the single-side support frame 2 or the rectangular adjusting frame 6 through the template adapter 27, the horizontal square steel tube 28 and the keel adapter 29, the template unit 1 is connected with the horizontal square steel tube 28 through the template adapter 27, the horizontal square steel tube 28 is connected with the single-side support frame 2 or the rectangular adjusting frame 6 through the keel adapter 29, fig. 4 is a diagram of the template unit 1 and the rectangular adjusting frame 6 being fixedly connected with the template adapter 27, the horizontal square steel tube 28 and the keel adapter 29, and fig. 5 is a diagram of the template unit 1 and the single-side support frame 2 being fixedly connected with the single-side support frame 2 through the template adapter 27, the horizontal square steel tube 28 and the keel adapter 29, and the single-side support frame 2 and the rectangular adjusting frame 6 being fixedly connected with the rectangular adjusting frame 6 through the keel adapter 29 and the horizontal square steel tube 28. The horizontal steel pipe 28 is connected to the one-sided support frame body 2 and the rectangular adjustment frame body 6 through the keel adaptor 29, and a specific illustration of the connection of the one-sided support frame body 2 and the rectangular adjustment frame body 6 is not provided.
A method for constructing a basement outer wall by a basement single-side formwork system is characterized by comprising the following steps: the method comprises the following steps:
step one, construction of a concrete retaining wall 9: as shown in fig. 1 and 5, a template unit 1, a rectangular adjusting frame body 6 and a single-side supporting frame body 2 are sequentially erected outside a basement fertilizer groove 7 from outside to inside, concrete is filled in the basement fertilizer groove 7 between the template and a foundation pit supporting structure 8 to form a concrete retaining wall 9, the concrete retaining wall 9 is formed by pouring C4 composite lightweight aggregate concrete which can be used as a heat insulation material of a basement outer wall 26, the thermal conductivity coefficient of the C4 composite lightweight aggregate concrete is 0.21 w/(m.k), and the volume weight is less than or equal to 800kg/m 3 C12@200 single-layer reinforcing mesh for preventing the concrete retaining wall 9 from cracking or overturning;
step two, dismantling a single-side template support frame: sequentially removing the single-side support frame body 2, the rectangular adjusting frame body 6 and the template unit 1;
step three, waterproof construction of the basement outer wall 26: the method comprises the steps that a double-layer I-type CPS-CL reactive Bonding type polymer wet-laid waterproof coiled material is fully adhered to the wall surface on the outer side of a concrete retaining wall 9 to form a waterproof layer 25, and the CPS-CL reactive Bonding type polymer wet-laid waterproof coiled material contains special active ingredients which can be chemically crosslinked with cement gelation in the hydration process to generate a synergistic effect with Physical mortise and tenon (CPS for short) in the curing process of cement gel or cast-in-place concrete, so that an interpenetrating network type interface structure is formed, and the effects of tightly and firmly combined, irreversible bone-meat connection Bonding are achieved, and an omnibearing, sealed and firm waterproof layer is formed, and is extremely tough;
step four, basement exterior wall 26 construction: as shown in fig. 6, the reinforcing steel bars of the basement outer wall 26 are bound, then the template unit 1 and the single-side support frame body 2 are erected, concrete is poured between the template 2 and the concrete retaining wall 9 to form the basement outer wall 26, and finally the template unit 1 and the single-side support frame body 2 are removed. Thus, the construction of the basement outer wall is completed.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (8)
1. A basement unilateral formwork system, characterized in that: the formwork unit (1) comprises a rectangular formwork panel (11), rectangular frames (12) surrounding and fixed on the periphery of the formwork, a formwork steel frame main rib (13) and Z-shaped steel frame secondary ribs (14), wherein the plurality of formwork steel frame main ribs (13) are vertically and uniformly arranged between the rectangular frames (12) at intervals, and the two Z-shaped steel frame secondary ribs (14) are vertically arranged between the two outermost formwork steel frame main ribs (13) and the short frames of the rectangular frames (12) respectively;
the single-side support frame body (2) comprises an upper rectangular standard section (21) and a lower special-shaped heightening section (22) fixedly connected with the upper rectangular standard section (21) through a bolt assembly (5), the lower special-shaped heightening section (22) comprises an upper horizontal edge (221), an inner vertical edge (222), an outer inclined edge (223) and a bottom inclined edge (224), pre-buried foundation bolts (3) and an adjustable support (4) are respectively arranged between the bottom inclined edge (224) and the inner vertical edge (222) and between the bottom inclined edge (223) and are fixedly connected, the adjustable support (4) is fixedly connected with the lower special-shaped heightening section (22) through a threaded connecting piece (18), an adjusting handle (19) is arranged on the upper portion of the adjustable support (4), the adjusting handle (19) penetrates through an upper hole of the adjustable support (4) and is fixedly connected with the adjustable support (4), and the adjustable support (4) can be rotated through rotating the adjusting handle (19), so that the perpendicularity of the single-side support frame body (2) is adjusted;
the steel pipe fasteners (24) are respectively arranged on the outer vertical side of the upper rectangular standard section (21) and the outer inclined side (223) of the special-shaped heightening section (22), and the adjacent single-side support frame body (2) is connected in series through a plurality of horizontal steel pipes (20) and simultaneously penetrates through the steel pipe fasteners (24) of the upper rectangular standard section (21) and the special-shaped heightening section (22);
a rectangular adjusting frame body (6) for adjusting the transverse length of the formwork supporting system is also supported between the formwork and the unilateral supporting frame body (2);
the template steel frame main rib (13) is axisymmetric structure, including first connection limit (131), first hypotenuse (132), first reverse hypotenuse (138), top surface (133), second reverse hypotenuse (136), second hypotenuse (134) and second connection limit (135) that set up in order, first connection limit (131) and second connection limit (135) all laminate with template panel (11) and set up, first hypotenuse (132) and second hypotenuse (134) all incline towards top surface (133), and are higher than top surface (133) elevation setting, be equipped with two sunken recessed surface (137) inwards on top surface (133).
2. A basement unilateral formwork system as claimed in claim 1 wherein: the template unit (1) is fixedly connected with the unilateral support frame body (2) or the rectangular adjusting frame body (6) through a template adapter (27), a horizontal square steel tube (28) and a keel adapter (29), the template unit (1) is connected with the horizontal square steel tube (28) through the template adapter (27), and the horizontal square steel tube (28) is connected with the unilateral support frame body (2) or the rectangular adjusting frame body (6) through the keel adapter (29).
3. A basement unilateral formwork system as claimed in claim 1 wherein: the unilateral support frame body (2) is fixedly connected with the rectangular adjusting frame body (6) through a keel adapter (29) and a horizontal square steel tube (28); the horizontal square steel pipe (28) is connected with the unilateral support frame body (2) and the rectangular adjusting frame body (6) through a keel adapter (29).
4. A basement unilateral formwork system as claimed in claim 2 wherein: the rectangular frame (12) is provided with a groove (16) capable of being embedded with the edge of the template panel (11), the rectangular frame (12) is also provided with a semicircular bolt hole (17) with an outward notch, and the semicircular bolt hole (17) is a mounting point of the template adapter (27) penetrating through the template unit (1) panel.
5. A basement unilateral formwork system as claimed in claim 1 wherein: the template panel (11) is a plastic-covered plywood, and the plastic-covered plywood comprises a plastic-covered plywood with the thickness of 1.5mm and a wood plywood with the thickness of 12 mm.
6. A basement unilateral formwork system as claimed in claim 1 wherein: the rectangular frame (12), the template steel frame main rib (13) and the Z-shaped steel frame secondary rib (14) are hot-rolled deformed steel, and the steel material is Q235.
7. A method for constructing an external wall of a basement by using the unilateral formwork supporting system of the basement as claimed in any one of claims 1 to 6, which is characterized in that: the method comprises the following steps:
step one, construction of a concrete retaining wall (9): the method comprises the steps that a template unit (1), a rectangular adjusting frame body (6) and a single-side supporting frame body (2) are sequentially erected outside a basement fertilizer groove (7) from outside to inside, and concrete is filled in the basement fertilizer groove (7) between the template and a foundation pit supporting structure (8) to form a concrete retaining wall (9);
step two, dismantling a single-side template support frame: sequentially removing the single-side support frame body (2), the rectangular adjusting frame body (6) and the template unit (1);
thirdly, waterproof construction of the basement outer wall (26): fully sticking waterproof coiled materials on the wall surface of the outer side of the concrete retaining wall (9) to form a waterproof layer (25);
fourthly, constructing a basement outer wall (26): firstly, binding reinforcing steel bars of a basement outer wall (26), then building a template unit (1) and a unilateral support frame body (2), pouring concrete between the template (2) and a concrete retaining wall (9) to form the basement outer wall (26), and finally, dismantling the template unit (1) and the unilateral support frame body (2), so that the basement outer wall construction is completed.
8. A method of constructing an exterior wall of a basement using a single-sided formwork system of the basement as claimed in claim 7, wherein: the concrete retaining wall (9) is formed by pouring composite lightweight aggregate concrete which can be used as a heat insulation material of a basement outer wall (26).
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| CN112359872A (en) * | 2020-11-14 | 2021-02-12 | 江苏省华建建设股份有限公司 | Construction method for single-side formwork erection of underground outer wall of constructional engineering |
| CN113027118B (en) * | 2021-03-01 | 2021-12-14 | 中建二局第三建筑工程有限公司 | Can have enough to meet need and loose unilateral formwork steel support of piece together formula |
| CN113373977A (en) * | 2021-06-17 | 2021-09-10 | 上海宝冶集团有限公司 | Basement exterior wall and construction method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004263495A (en) * | 2003-03-04 | 2004-09-24 | Takeshi Odaka | Basement waterproofing method |
| CN201635388U (en) * | 2010-05-06 | 2010-11-17 | 中国建筑第二工程局有限公司 | Cast-in-place concrete arc outer wall body unilateral formwork system |
| CN204662499U (en) * | 2015-03-09 | 2015-09-23 | 江苏南通三建集团有限公司 | Concrete of basement exterior wall, waterproof, fertile groove integrated construction structure |
| CN105220874A (en) * | 2015-09-11 | 2016-01-06 | 杭州江润科技有限公司 | The construction method of basement superelevation exterior wall self-supporting single side formwork system |
| CN105862873A (en) * | 2016-04-13 | 2016-08-17 | 北京建工四建工程建设有限公司 | Construction method of underground water prevention and exterior wall structures of narrow space of deep foundation pit |
| CN209799355U (en) * | 2018-12-05 | 2019-12-17 | 中建一局集团建设发展有限公司 | Basement single-side formwork system |
-
2018
- 2018-12-05 CN CN201811480929.3A patent/CN109441099B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004263495A (en) * | 2003-03-04 | 2004-09-24 | Takeshi Odaka | Basement waterproofing method |
| CN201635388U (en) * | 2010-05-06 | 2010-11-17 | 中国建筑第二工程局有限公司 | Cast-in-place concrete arc outer wall body unilateral formwork system |
| CN204662499U (en) * | 2015-03-09 | 2015-09-23 | 江苏南通三建集团有限公司 | Concrete of basement exterior wall, waterproof, fertile groove integrated construction structure |
| CN105220874A (en) * | 2015-09-11 | 2016-01-06 | 杭州江润科技有限公司 | The construction method of basement superelevation exterior wall self-supporting single side formwork system |
| CN105862873A (en) * | 2016-04-13 | 2016-08-17 | 北京建工四建工程建设有限公司 | Construction method of underground water prevention and exterior wall structures of narrow space of deep foundation pit |
| CN209799355U (en) * | 2018-12-05 | 2019-12-17 | 中建一局集团建设发展有限公司 | Basement single-side formwork system |
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