CN110185135B - Basement bottom plate and outer wall waterproof structure and construction method - Google Patents
Basement bottom plate and outer wall waterproof structure and construction method Download PDFInfo
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- CN110185135B CN110185135B CN201910468870.4A CN201910468870A CN110185135B CN 110185135 B CN110185135 B CN 110185135B CN 201910468870 A CN201910468870 A CN 201910468870A CN 110185135 B CN110185135 B CN 110185135B
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- 238000010276 construction Methods 0.000 title claims abstract description 88
- 238000007789 sealing Methods 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000002689 soil Substances 0.000 claims abstract description 12
- 239000010410 layer Substances 0.000 claims description 281
- 239000000463 material Substances 0.000 claims description 110
- 239000011241 protective layer Substances 0.000 claims description 78
- 239000004567 concrete Substances 0.000 claims description 22
- 230000007704 transition Effects 0.000 claims description 18
- 239000011083 cement mortar Substances 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 239000011449 brick Substances 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 5
- 239000011527 polyurethane coating Substances 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000009415 formwork Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims 1
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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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
- 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
- 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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
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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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6806—Waterstops
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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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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Abstract
The invention discloses a basement bottom plate and outer wall waterproof structure and a construction method, wherein a waterproof layer on the bottom surface of the basement bottom plate is horizontally paved and attached on a foundation sealing layer below the basement bottom plate, and a waterproof layer on the side of a foundation beam below the bottom plate is vertically paved and attached on the inner side of the foundation beam; the foundation beam bottom waterproof layer is horizontally paved on the foundation sealing layer below the foundation beam; the waterproof layer on the outer side surface of the foundation beam is vertically paved on the outer side surface of the foundation beam; the waterproof layer on the top surface of the outer side of the foundation beam is horizontally paved and attached to the top of the foundation beam intersected with the outer part of the wall body; the outer waterproof layer at the wall construction joint is vertically paved and attached to the outer side of the wall construction joint; the middle waterproof layer of the basement wall construction joint is vertically arranged in the middle of the wall construction joint in a full-length mode. The waterproof structure constructed by the invention can prevent underground water and water in soil from entering the basement, and avoid the leakage of the basement caused by outdoor moisture and even underground water.
Description
Technical Field
The invention relates to the field of building construction, in particular to a basement bottom plate and outer wall waterproof structure and a construction method.
Background
Along with the construction of high-rise buildings, basements of the buildings are more and more common, and because underground water or water in the soil is always arranged on the periphery of the basements, if the bottom plate and the outer wall of the basements are not waterproof, leakage is easy to occur; the basement leaks, so that the basement is not comfortable to use if the basement leaks, and the basement is bad in living environment if the basement leaks, so that the health of the living body is influenced; the prior art has no problem for a drier basement, but is easy to leak for a basement below the underground water level.
Disclosure of Invention
One of the objectives of the present invention is to provide a waterproof structure for basement floor and outer wall, which prevents water in underground water and soil from entering the basement.
The invention also aims to provide a construction method of the basement bottom plate and outer wall waterproof structure.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a basement bottom plate and outer wall waterproof structure comprises a basement bottom plate, foundation beams arranged around the basement bottom plate and basement wall bodies, foundation sealing layers are respectively arranged between the lower portion of the basement bottom plate and foundation soil and between the lower portion of the foundation beams and the foundation soil,
a basement bottom plate bottom surface waterproof layer is arranged between the lower portion of the basement bottom plate and the foundation sealing layer and comprises a transition layer I and a waterproof layer I, the transition layer I is made of cold bottom oil and is tightly coated on the upper surface of the foundation sealing layer, the waterproof layer I is made of two layers of waterproof coiled materials, the lower layer of coiled materials is adhered to the upper surface of the transition layer I, and no adhesive dry paving is carried out between the upper layer of coiled materials and the lower layer of coiled materials;
a vertical surface coiled material protective layer I is vertically arranged below the junction of the basement bottom plate and the foundation beam, a bottom plate lower foundation beam side waterproof layer is vertically arranged on the inner surface of the vertical surface coiled material protective layer I, the bottom plate lower foundation beam side waterproof layer is made of two layers of waterproof coiled materials, and the basement bottom plate bottom surface waterproof layer and the bottom plate lower foundation beam side waterproof layer are vertically intersected and tightly connected;
a foundation beam bottom surface waterproof layer is arranged between the lower part of the foundation beam and the foundation sealing layer and comprises a transition layer II and a waterproof layer II, the transition layer II is made of cold bottom oil and is tightly coated on the upper surface of the foundation sealing layer, the waterproof layer II is made of two layers of waterproof coiled materials, the lower layer of coiled material is adhered to the upper surface of the transition layer II, and no adhesive dry paving is carried out between the upper layer of coiled material and the lower layer of coiled material;
a vertical surface coiled material protective layer II is vertically arranged on the outer side of the periphery of the foundation beam, a foundation beam outer side surface waterproof layer is vertically arranged on the inner surface of the vertical surface coiled material protective layer II, the foundation beam outer side surface waterproof layer is made of two layers of waterproof coiled materials, and two sides of the foundation beam bottom surface waterproof layer are vertically intersected and tightly connected with the foundation beam side waterproof layer and the foundation beam outer side surface waterproof layer under the bottom plate respectively;
the waterproof structure comprises a basement wall body and is characterized in that a foundation beam outer side top surface waterproof layer is horizontally arranged on the top of a foundation beam intersected with the outer portion of the basement wall body, the foundation beam outer side top surface waterproof layer is arranged along the whole length of the foundation beam and comprises an interface layer I and a waterproof layer III, the interface layer I is made of polyurethane coating and horizontally paved on the upper surface of the foundation beam, the waterproof layer III is made of two layers of waterproof coiled materials and adhered to the upper surface of the interface layer I, and a vertical surface coiled material protective layer III is vertically arranged on the upper portion of;
horizontally arranging a wall construction joint on a basement wall body at the position of 300-mm upwards from the top surface of a basement bottom plate, wherein an outer waterproof layer at the wall construction joint is arranged at the upper part and the lower part of the wall construction joint and on the outer side of the basement wall body, the outer waterproof layer at the wall construction joint comprises an interface layer II, a waterproof layer IV and a buffer layer, the interface layer II is made of polyurethane coating and is adhered between the waterproof layer IV and the basement wall body, the waterproof layer IV is made of two layers of waterproof coiled materials and is vertically arranged outside the basement wall body and is adhered on the outer side of the interface layer II and on the inner side of the buffer layer, and the buffer layer is made of a polyurethane plate and is adhered between the waterproof layer; two sides of the waterproof layer on the top surface of the outer side of the foundation beam are vertically intersected and tightly connected with the waterproof layer on the outer side of the foundation beam and the waterproof layer on the outer side of the wall construction joint respectively;
the middle of the wall construction joint is vertically provided with a middle waterproof layer of the basement wall construction joint, the middle waterproof layer of the basement wall construction joint is parallel to the inner wall surface and the outer wall surface along the length direction of the basement wall, and the middle waterproof layer of the basement wall construction joint is made of a steel plate water stop.
Preferably, the lengths of the vertical surface coil material protective layer I, the vertical surface coil material protective layer II and the vertical surface coil material protective layer III are respectively equal to the lengths of the foundation beam side waterproof layer, the foundation beam outer side surface waterproof layer and the foundation beam outer side top surface waterproof layer under the bottom plate, the widths of the vertical surface coil material protective layer I, the vertical surface coil material protective layer II and the vertical surface coil material protective layer III are 240 millimeters, and the heights of the vertical surface coil material.
Furthermore, joint pressing layers are respectively arranged on the tops of the vertical face coiled material protection layer II and the vertical face coiled material protection layer III, and the joint pressing layers are made of cement mortar.
Preferably, the upper surface of the seam pressing layer is in a slope shape or an arc shape.
Preferably, the vertical surface coiled material protective layer I, the vertical surface coiled material protective layer II and the vertical surface coiled material protective layer III are all built by common sintered bricks and M2.5 cement mortar.
Preferably, the steel plate width of the steel plate waterstop is 300 millimeters, the thickness is 3 millimeters, the width range of 200 millimeters in the middle of the steel plate waterstop is a straight steel plate, the width of two sides is 50 millimeters, the included angle between the steel plate waterstop and a middle flat plate is plus or minus 10 degrees, and the steel plate waterstop is parallel to the inner wall surface and the outer wall surface along the length direction of the wall body and is arranged in a full length mode.
The invention also provides a construction method of the basement bottom plate and outer wall waterproof structure, which comprises the following concrete construction steps: before the basement bottom plate and the foundation beam are constructed, firstly excavating a foundation pit, immediately constructing a foundation sealing layer after the foundation pit is checked and accepted, wherein the foundation sealing layer is cast by C15 concrete and has the thickness of 100 mm, after the concrete strength of the foundation sealing layer reaches 1.2MPa, paying off the surfaces of the basement bottom plate and the foundation beam, and constructing a vertical face coiled material protective layer I and a vertical face coiled material protective layer II by building common sintered bricks and M2.5 cement mortar, wherein the widths of the vertical face coiled material protective layer I and the vertical face coiled material protective layer II are 240 mm, and the heights of the vertical face coiled material protective layer I and the vertical face coiled material protective layer II are respectively matched with the;
respectively coating cement mortar with the thickness of 20 mm on the inner surfaces of the construction vertical surface coiled material protective layer I and the vertical surface coiled material protective layer II, and sequentially constructing a foundation beam bottom surface waterproof layer, a basement bottom plate bottom surface waterproof layer, a bottom plate lower foundation beam side waterproof layer and a foundation beam outer side surface waterproof layer after drying;
then, installing the basement bottom plate, the foundation beam and the reinforcing steel bars of the basement wall;
installing a middle waterproof layer of the basement wall construction joint, wherein the installation of the middle waterproof layer of the basement wall construction joint takes the wall construction joint as a boundary, and the central line of the middle waterproof layer of the basement wall construction joint corresponds to the wall construction joint;
erecting templates at the upper and lower parts of a wall construction joint of a wall, pouring concrete of a basement bottom plate and a foundation beam, pouring wall concrete reaching the wall construction joint at the same time, and pouring the wall concrete at the upper part of the wall construction joint after the strength of the poured concrete reaches 1.2 MPa;
and constructing a waterproof layer on the top surface of the outer side of the foundation beam and a waterproof layer on the outer side of the wall construction joint after removing the formwork, and finally constructing a vertical surface coiled material protective layer III on the upper surface of the waterproof layer on the top surface of the outer side of the foundation beam by adopting common sintered bricks and M2.5 cement mortar, wherein the length of the vertical surface coiled material protective layer III is equal to the length of the waterproof layer on the top surface of the outer side of the foundation beam, the width of the vertical surface coiled material protective layer III is 240 mm.
Compared with the prior art, the invention has the following beneficial effects:
the basement bottom plate and the outer wall are arranged on the basement bottom plate, the foundation beam and the underground part of the basement wall body for water prevention, underground water and water in soil are prevented from entering the basement, outdoor moisture and even basement leakage caused by the existence of the underground water are avoided, the waterproof performance is good, and construction is convenient.
Drawings
FIG. 1 is a schematic view of a basement floor and outer wall waterproofing structure of the present invention;
in the figure, 1-foundation soil; 2-foundation sealing layer; 3-basement floor; 4-basement bottom waterproof layer; 5-a foundation beam; 6-vertical surface coiled material protective layer I; 7-waterproof layer at the side of the foundation beam under the bottom plate; 8-waterproof layer of bottom surface of the foundation beam; 9-vertical surface coiled material protective layer II; 10-waterproof layer of outer side surface of the foundation beam; 11-waterproof layer of top surface outside the foundation beam; 12-basement wall; 121-construction of a joint lower wall body; 122-constructing a wall body on the joint; 13-facade coil protective layer III; 14-wall construction joint; 15-an outer waterproof layer at the construction joint of the wall body; 16-seam pressing layer; 17-a middle waterproof layer of a construction joint of the basement wall.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples.
As shown in fig. 1, a basement floor and outer wall waterproof structure comprises a basement floor 3, a foundation beam 5 arranged around the basement floor 3, and a basement wall 12, wherein foundation sealing layers 2 are respectively arranged between the lower part of the basement floor 3 and foundation soil 1 and between the lower part of the foundation beam 5 and the foundation soil 1,
a basement bottom plate bottom surface waterproof layer 4 is arranged between the lower portion of the basement bottom plate 3 and the foundation sealing layer 2, the basement bottom plate bottom surface waterproof layer 4 comprises a transition layer I and a waterproof layer I, the transition layer I is made of cold bottom oil and is tightly coated on the upper surface of the foundation sealing layer 2, the waterproof layer I is made of two layers of waterproof coiled materials, the lower layer of coiled materials is adhered to the upper surface of the transition layer I, and no adhesive dry paving is arranged between the upper layer of coiled materials and the lower layer of coiled materials;
a vertical surface coiled material protective layer I6 is vertically arranged below the junction of the basement bottom plate 3 and the foundation beam 5, a bottom plate lower foundation beam side waterproof layer 7 is vertically arranged on the inner surface of the vertical surface coiled material protective layer I6, the bottom plate lower foundation beam side waterproof layer 7 is made of two layers of waterproof coiled materials, and the basement bottom plate bottom surface waterproof layer 4 is vertically intersected and tightly connected with the bottom plate lower foundation beam side waterproof layer 7;
a foundation beam bottom surface waterproof layer 8 is arranged between the lower part of the foundation beam 5 and the foundation sealing layer 2, the foundation beam bottom surface waterproof layer 8 comprises a transition layer II and a waterproof layer II, the transition layer II is made of cold bottom oil and is tightly coated on the upper surface of the foundation sealing layer 2, the waterproof layer II is made of two layers of waterproof coiled materials, a lower layer of coiled material is adhered to the upper surface of the transition layer II, and no adhesive dry paving is arranged between the upper layer of coiled material and the lower layer of coiled material;
a vertical surface coiled material protective layer II 9 is vertically arranged on the outer side of the periphery of the foundation beam 5, a foundation beam outer side surface waterproof layer 10 is vertically arranged on the inner surface of the vertical surface coiled material protective layer II 9, the foundation beam outer side surface waterproof layer 10 is made of two layers of waterproof coiled materials, and two sides of the foundation beam bottom surface waterproof layer 8 are vertically intersected and tightly connected with the foundation beam side waterproof layer 7 under the bottom plate and the foundation beam outer side surface waterproof layer 10 respectively;
the waterproof structure is characterized in that a foundation beam outer side top surface waterproof layer 11 is horizontally arranged on the top of a foundation beam 5 intersected with the outer portion of a basement wall 12, the foundation beam outer side top surface waterproof layer 11 is arranged along the whole length of the foundation beam 5 and comprises an interface layer I and a waterproof layer III, the interface layer I is made of polyurethane coating and horizontally paved on the upper surface of the foundation beam 5, the waterproof layer III is made of two layers of waterproof coiled materials and adhered on the upper surface of the interface layer I, and a vertical surface coiled material protective layer III 13 is vertically arranged on the upper portion of the waterproof layer III;
the construction method comprises the following steps of horizontally arranging a wall construction joint 14 on a basement wall 12 at a position 300 millimeters above the top surface of a basement bottom plate 3, arranging a wall construction joint outer side waterproof layer 15 on the upper and lower parts of the wall construction joint 14 and the outer side of the basement wall 12, wherein the wall construction joint outer side waterproof layer 15 comprises an interface layer II, a waterproof layer IV and a buffer layer, the interface layer II is made of polyurethane coating and is adhered between the waterproof layer IV and the basement wall 12, the waterproof layer IV is made of two layers of waterproof coiled materials and is vertically arranged outside the basement wall 12 and is adhered on the outer side of the interface layer II and the inner side of the buffer layer, and the buffer layer is made of polyurethane plates and is adhered between the waterproof layer IV and a vertical surface coiled material protective; two sides of the foundation beam outer side top surface waterproof layer 11 are respectively vertically intersected and tightly connected with the foundation beam outer side surface waterproof layer 10 and the wall body construction joint outer side waterproof layer 15;
the middle part of wall construction joint 14 is equipped with basement wall construction joint middle waterproof layer 17 perpendicularly, and waterproof layer 17 leads to long setting with the interior external wall surface is parallel along 12 length direction of basement wall body in the middle of the basement wall construction joint, and waterproof layer 17 adopts the preparation of steel sheet waterstop in the middle of the basement wall construction joint, the steel sheet width 300 millimeters of steel sheet waterstop, thickness 3 millimeters, 200 millimeters width range are straight steel sheet in the middle of the steel sheet waterstop, and both sides width is 50 millimeters departments and buckles, and is positive and negative 10 degrees with dull and stereotyped contained angle in the middle, leads to long setting with the interior external wall surface is parallel along wall body length direction.
The basement bottom plate 3 is a bottom component of a building and is formed by cast-in-place of reinforced concrete, the thickness of the basement bottom plate 3 is changed along with the height of the building, the higher the building is, the larger the thickness of the basement bottom plate 3 is, and the minimum thickness is 500 mm; the lower part of the basement bottom plate 3 must be provided with a foundation sealing layer 2, and in order to prevent the bottom plate from leaking, the scheme of the invention is adopted to arrange a basement bottom plate bottom surface waterproof layer 4 at the lower part of the basement bottom plate 3 and the upper part of the foundation sealing layer 2; the upper and lower waterproof rolls of the waterproof layer 4 on the bottom surface of the basement bottom plate are not bonded, and free expansion and contraction before and after solidification after concrete pouring of the basement bottom plate 3 are facilitated.
The foundation beam 5 is a part which is connected with the basement bottom plate 3 and bears the load of the basement wall 12, and is constructed with the basement bottom plate 3 at the same time; the vertical surface coil protection layer I6 and the vertical surface coil protection layer II 9 which surround the foundation beam 5 are also permanent templates of the foundation beam 5.
The basement wall 12 is a shear wall made of reinforced concrete, and the wall must be poured in layers due to construction needs, the construction joints at the layered pouring positions are easy to leak water, and the basement wall 12 is actually integral due to the artificial division of the lower wall 121 and the upper wall 122 of the construction joints due to the existence of the construction joints.
The foundation sealing layer 2 is an isolation layer of the basement bottom plate 3, the foundation beam 5 and the foundation soil 1, has the function of preventing underground water from acting on the basement bottom plate 3 and the foundation beam 5, is cast by C15 concrete, and has the thickness of 100 millimeters.
The facade coil protective layer is a protective layer of a facade waterproof coil, and is built by common baked bricks M2.5 cement mortar, the lengths of the facade coil protective layer I6, the facade coil protective layer II 9 and the facade coil protective layer III 13 are equal to the lengths of the foundation beam side waterproof layer 7, the foundation beam outer side surface waterproof layer 10 and the foundation beam outer side top surface waterproof layer 11 under the bottom plate respectively, the widths are 240 mm, the heights are identical to the corresponding sizes of related components respectively, wherein the cement mortar with the thickness of 20 mm is smeared on the surfaces of the facade coil protective layer I6, the facade coil protective layer II 9 and the corresponding waterproof layer, and the waterproof coil is pasted on the surface of the cement mortar.
The wall construction joint 14 is a temporary construction measure and is horizontally arranged at the position of the basement wall 12 which is preferably arranged 300 millimeters above the top surface of the basement bottom plate 3; the reinforcing steel bars of the basement wall 12 at the wall construction joint 14 are not broken, but when the reinforcing steel bars are installed, the middle waterproof layer 17 of the basement wall construction joint needs to be installed in place.
The crack layer 16 is a cement mortar layer with the full length arranged on the top of the vertical surface coiled material protective layer, the function is to enable water on the top surface of the vertical surface coiled material protective layer to be timely removed in the construction process, the width of the crack layer 16 is 240 mm, the height of the crack layer is 120 mm, and the upper surface can be made into a slope or an arc surface.
The construction method of the basement bottom plate and outer wall waterproof structure comprises the following specific steps: before the basement bottom plate 3 and the foundation beam 5 are constructed, firstly, a foundation pit is excavated, a foundation sealing layer 2 is constructed immediately after a foundation groove is checked and accepted, the foundation sealing layer is cast by C15 concrete, the thickness of the foundation sealing layer is 100 mm, after the concrete strength of the foundation sealing layer 2 reaches 1.2MPa, the surfaces of the basement bottom plate 3 and the foundation beam 5 are laid, a vertical surface coiled material protective layer I6 and a vertical surface coiled material protective layer II 9 are constructed by common sintered bricks and M2.5 cement mortar, the width of the vertical surface coiled material protective layer I6 and the width of the vertical surface coiled material protective layer II 9 are 240 mm, and the heights of the vertical surface coiled material protective layer I6 and the vertical surface coiled material;
respectively coating cement mortar with the thickness of 20 mm on the inner surfaces of the construction vertical surface coiled material protective layer I6 and the vertical surface coiled material protective layer II 9, and sequentially constructing a foundation beam bottom surface waterproof layer 8, a basement bottom plate bottom surface waterproof layer 4, a bottom plate lower foundation beam side waterproof layer 7 and a foundation beam outer side surface waterproof layer 10 after drying;
then reinforcing steel bars of the basement bottom plate 3, the foundation beam 5 and the basement wall 12 are installed;
installing a middle waterproof layer 17 of the basement wall construction joint, wherein the installation of the middle waterproof layer 17 of the basement wall construction joint is bound by the wall construction joint 14, and the central line of the middle waterproof layer 17 of the basement wall construction joint corresponds to the wall construction joint 14;
erecting templates at the upper part and the lower part of a wall construction joint 14 of a basement wall 12, pouring concrete of a basement bottom plate 3 and a foundation beam 5, simultaneously pouring wall concrete reaching the wall construction joint 14, and pouring the wall concrete at the upper part of the wall construction joint 14 after the strength of the poured concrete reaches 1.2 MPa;
and constructing the waterproof layer 11 on the top surface of the outer side of the foundation beam and the waterproof layer 15 on the outer side of the wall construction joint after removing the formwork, and finally constructing the vertical surface coiled material protective layer III 13 on the upper surface of the waterproof layer 11 on the top surface of the outer side of the foundation beam by adopting common sintered bricks and M2.5 cement mortar, wherein the length of the vertical surface coiled material protective layer III 13 is equal to that of the waterproof layer 11 on the top surface of the outer side of the foundation beam, the width of the vertical surface coiled material protective layer III is 240 mm, and the.
Claims (1)
1. A construction method of a basement bottom plate and an outer wall waterproof structure comprises the basement bottom plate (3), a foundation beam (5) arranged around the basement bottom plate (3) and a basement wall body (12), foundation sealing layers (2) are respectively arranged between the lower part of the basement bottom plate (3) and foundation soil (1) and between the lower part of the foundation beam (5) and the foundation soil (1),
a basement bottom surface waterproof layer (4) is arranged between the lower portion of the basement bottom plate (3) and the foundation sealing layer (2), the basement bottom surface waterproof layer (4) comprises a transition layer I and a waterproof layer I, the transition layer I is made of cold bottom oil and is tightly coated on the upper surface of the foundation sealing layer (2), the waterproof layer I is made of two layers of waterproof coiled materials, the lower layer of coiled material is adhered to the upper surface of the transition layer I, and no adhesive dry paving exists between the upper layer of coiled material and the lower layer of coiled material;
a vertical surface coiled material protective layer I (6) is vertically arranged below the junction of the basement bottom plate (3) and the foundation beam (5), a bottom plate lower foundation beam side waterproof layer (7) is vertically arranged on the inner surface of the vertical surface coiled material protective layer I (6), the bottom plate lower foundation beam side waterproof layer (7) is made of two layers of waterproof coiled materials, and the basement bottom plate bottom surface waterproof layer (4) is vertically intersected and tightly connected with the bottom plate lower foundation beam side waterproof layer (7);
a foundation beam bottom surface waterproof layer (8) is arranged between the lower part of the foundation beam (5) and the foundation sealing layer (2), the foundation beam bottom surface waterproof layer (8) comprises a transition layer II and a waterproof layer II, the transition layer II is made of cold bottom oil and is tightly coated on the upper surface of the foundation sealing layer (2), the waterproof layer II is made of two layers of waterproof coiled materials, a lower layer of coiled material is adhered to the upper surface of the transition layer II, and no adhesive dry paving is arranged between the upper layer of coiled material and the lower layer of coiled material;
a vertical surface coil protective layer II (9) is vertically arranged on the outer side of the periphery of the foundation beam (5), a foundation beam outer side surface waterproof layer (10) is vertically arranged on the inner surface of the vertical surface coil protective layer II (9), the foundation beam outer side surface waterproof layer (10) is made of two layers of waterproof coils, and two sides of the foundation beam bottom surface waterproof layer (8) are vertically intersected and tightly connected with the foundation beam side waterproof layer (7) below the bottom plate and the foundation beam outer side surface waterproof layer (10) respectively;
the waterproof structure is characterized in that a foundation beam outer side top surface waterproof layer (11) is horizontally arranged on the top of a foundation beam (5) which is intersected with the outer part of a basement wall body (12), the foundation beam outer side top surface waterproof layer (11) is arranged along the whole length of the foundation beam (5) and comprises an interface layer I and a waterproof layer III, the interface layer I is made of polyurethane coating and horizontally paved on the upper surface of the foundation beam (5), the waterproof layer III is made of two layers of waterproof coiled materials and adhered to the upper surface of the interface layer I, and a vertical surface coiled material protective layer III (13) is vertically arranged on the upper part of the waterproof layer III;
the basement construction joint (14) is horizontally arranged on a basement wall (12) at the position 300 millimeters above the top surface of a basement bottom plate (3), an outer wall construction joint waterproof layer (15) is arranged at the upper and lower parts of the wall construction joint (14) and on the outer side of the basement wall (12), the outer wall construction joint waterproof layer (15) at the wall construction joint comprises an interface layer II, a waterproof layer IV and a buffer layer, the interface layer II is made of polyurethane paint and is adhered between the waterproof layer IV and the basement wall (12), the waterproof layer IV is made of two layers of waterproof coiled materials and is vertically arranged outside the basement wall (12) and is adhered on the outer side of the interface layer II and the inner side of the buffer layer, and the buffer layer is made of polyurethane plates and is adhered between the waterproof layer IV and an upright surface coiled material protective layer III (13); two sides of the foundation beam outer side top surface waterproof layer (11) are respectively and vertically intersected and tightly connected with the foundation beam outer side surface waterproof layer (10) and the wall body construction joint outer side waterproof layer (15);
a middle waterproof layer (17) of the basement wall construction joint is vertically arranged in the middle of the wall construction joint (14), the middle waterproof layer (17) of the basement wall construction joint is parallel to the inner wall surface and the outer wall surface along the length direction of the basement wall (12) and is arranged in a through manner, and the middle waterproof layer (17) of the basement wall construction joint is made of a steel plate water stop; the lengths of the vertical surface coiled material protective layer I (6), the vertical surface coiled material protective layer II (9) and the vertical surface coiled material protective layer III (13) are respectively equal to the lengths of the foundation beam side waterproof layer (7) under the bottom plate, the foundation beam outer side surface waterproof layer (10) and the foundation beam outer side top surface waterproof layer (11), the widths of the vertical surface coiled material protective layer I, the vertical surface coiled material protective layer II and the vertical surface coiled material protective layer III are 240 millimeters, and the heights of the vertical surface;
the top parts of the vertical surface coiled material protection layer II (9) and the vertical surface coiled material protection layer III (13) are respectively provided with a joint pressing layer (16), and the joint pressing layer (16) is made of cement mortar;
the upper surface of the seam pressing layer (16) is in a slope shape or an arc shape;
the vertical surface coiled material protective layer I (6), the vertical surface coiled material protective layer II (9) and the vertical surface coiled material protective layer III (13) are all formed by building common sintered bricks and M2.5 cement mortar;
the concrete construction steps are as follows:
before the basement bottom plate (3) and the foundation beam (5) are constructed, firstly, a foundation pit is excavated, a foundation sealing layer (2) is constructed immediately after a foundation groove is checked and accepted, the foundation sealing layer is cast by C15 concrete and has the thickness of 100 mm, after the concrete strength of the foundation sealing layer (2) reaches 1.2MPa, the surfaces of the basement bottom plate (3) and the foundation beam (5) are set off, a vertical surface coiled material protective layer I (6) and a vertical surface coiled material protective layer II (9) are constructed by common sintered bricks and M2.5 cement mortar, the widths of the vertical surface coiled material protective layer I (6) and the vertical surface coiled material protective layer II (9) are 240 mm, and the heights of the vertical surface coiled material protective layer I (6) and the vertical surface coiled material protective layer;
respectively coating cement mortar with the thickness of 20 mm on the inner surfaces of the construction vertical surface coiled material protective layer I (6) and the vertical surface coiled material protective layer II (9), and sequentially constructing a foundation beam bottom surface waterproof layer (8), a basement bottom plate bottom surface waterproof layer (4), a bottom plate lower foundation beam side waterproof layer (7) and a foundation beam outer side surface waterproof layer (10) after drying;
then reinforcing steel bars of the basement bottom plate (3), the foundation beam (5) and the basement wall body (12) are installed;
installing a middle waterproof layer (17) of the basement wall construction joint, wherein the installation of the middle waterproof layer (17) of the basement wall construction joint is bounded by the wall construction joint (14), and the central line of the middle waterproof layer (17) of the basement wall construction joint corresponds to the wall construction joint (14);
erecting templates at the upper and lower parts of a wall construction joint (14) of a basement wall (12), pouring concrete of a basement bottom plate (3) and a foundation beam (5), simultaneously pouring wall concrete reaching the wall construction joint (14), and pouring the wall concrete at the upper part of the wall construction joint (14) after the strength of the poured concrete reaches 1.2 MPa;
and constructing a waterproof layer (11) on the top surface of the outer side of the foundation beam and a waterproof layer (15) on the outer side of the wall construction joint after removing the formwork, and finally constructing a vertical surface coiled material protective layer III (13) on the upper surface of the waterproof layer (11) on the top surface of the outer side of the foundation beam by adopting common sintered bricks and M2.5 cement mortar, wherein the length of the vertical surface coiled material protective layer III (13) is equal to that of the waterproof layer (11) on the top surface of the outer side of the foundation beam, the width of the vertical surface coiled material protective layer III is 240 mm, and.
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| CN112144579A (en) * | 2020-08-29 | 2020-12-29 | 大昌建设集团有限公司 | Basement waterproof structure |
| CN112411737A (en) * | 2020-09-04 | 2021-02-26 | 杜肖静 | Basement bottom plate and outer wall waterproof structure and construction method |
| CN114108698A (en) * | 2021-12-21 | 2022-03-01 | 中建科工集团有限公司 | Construction method of basement bottom plate and outer wall waterproof structure |
| CN115030519A (en) * | 2022-05-30 | 2022-09-09 | 中国建筑第二工程局有限公司 | Construction method of PC outer wall connecting node in basement civil air defense engineering |
| CN115450254A (en) * | 2022-09-29 | 2022-12-09 | 中国建筑第八工程局有限公司 | Construction method for horizontal construction joint water-stop steel plate non-through counterfort steel column |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09324431A (en) * | 1996-06-05 | 1997-12-16 | Home Sera:Kk | Construction method of basement |
| CN201588229U (en) * | 2009-12-07 | 2010-09-22 | 中建三局建设工程股份有限公司 | Basement waterproof construction system |
| CN208870090U (en) * | 2018-09-14 | 2019-05-17 | 湖南汇跃建筑工程有限公司 | Waterproof construction outside a kind of hydrous fluids basement bottom board and exterior wall junction |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09324431A (en) * | 1996-06-05 | 1997-12-16 | Home Sera:Kk | Construction method of basement |
| CN201588229U (en) * | 2009-12-07 | 2010-09-22 | 中建三局建设工程股份有限公司 | Basement waterproof construction system |
| CN208870090U (en) * | 2018-09-14 | 2019-05-17 | 湖南汇跃建筑工程有限公司 | Waterproof construction outside a kind of hydrous fluids basement bottom board and exterior wall junction |
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Application publication date: 20190830 Assignee: Jiangsu Chaonan Construction Engineering Co.,Ltd. Assignor: Xu Peng Contract record no.: X2021980006027 Denomination of invention: A waterproof structure and construction method for basement bottom plate and outer wall Granted publication date: 20200403 License type: Common License Record date: 20210712 |
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