A kind of basement bottom board and external wall waterproof structure and construction method
Technical field
The present invention relates to the realm of building construction, and in particular to a kind of basement bottom board and external wall waterproof structure and construction party
Method.
Background technique
With the construction of skyscraper, building basement is more and more common, since often there is underground in the periphery of basement
Water in water or soil is easy for generating leakage if basement bottom board is not in place with external wall waterproof;Basement generates leakage, gently then
Cause using not well, it is heavy then cause living environment severe, influence house health;The prior art is for more dry underground
There is no problem for room, but for being in level of ground water basement below, it is easy to generate leakage.
Summary of the invention
An object of the present invention is to provide a kind of basement bottom board and external wall waterproof structure, prevents underground water and Tu Zhongshui
Into basement.
The second object of the present invention is to provide the construction method of above-mentioned basement bottom board Yu external wall waterproof structure.
To achieve the above object, The technical solution adopted by the invention is as follows: a kind of basement bottom board and external wall waterproof structure,
Including basement bottom board, the foundation beam and basement wall that are arranged in around the basement bottom board, the basement bottom board
Lower part and foundation soil between, between the lower part and foundation soil of the foundation beam be respectively equipped with ground confining bed,
Basement bottom board bottom surface waterproof layer is equipped between the lower part of the basement bottom board and the ground confining bed, it is described
Basement bottom board bottom surface waterproof layer includes transition zone I and waterproof layer I, and the transition zone I is made of adhesive bitument primer, tight to brush
In the upper surface of the ground confining bed, the waterproof layer I is pasted onto the mistake using two layers of waterproof roll production, lower layer coiled material
The upper surface of layer I is crossed, without stickup dry-laid between upper layer coiled material and lower layer coiled material;
It is equipped with facade coiled material protective layer I in the downward vertical of basement bottom board and the intersection of foundation beam, in the facade
The inner surface of coiled material protective layer I is vertically equipped with foundation beam side waterproof layer under bottom plate, and foundation beam side waterproof layer uses under the bottom plate
Two layers of waterproof roll production, basement bottom board bottom surface waterproof layer intersect vertically simultaneously tight with foundation beam side waterproof layer under bottom plate
Connection;
Basic soffit waterproof layer, the foundation beam bottom are equipped between the lower part of the foundation beam and the ground confining bed
Face waterproof layer includes transition zone II and waterproof layer II, and the transition zone II is made of adhesive bitument primer, tight to brush describedly
The upper surface of base confining bed, the waterproof layer II are pasted onto the transition zone II using two layers of waterproof roll production, lower layer coiled material
Upper surface, between upper layer coiled material and lower layer coiled material without paste dry-laid;
It is equipped with facade coiled material protective layer II in the outside vertical of foundation beam surrounding, in the facade coiled material protective layer II
Surface is vertically equipped with foundation beam lateral surface waterproof layer, and the foundation beam lateral surface waterproof layer is using two layers of waterproof roll production, institute
The both sides for stating basic soffit waterproof layer intersect vertically with foundation beam side waterproof layer, foundation beam lateral surface waterproof layer under bottom plate respectively
And it tightly connects;
It is being equipped with foundation beam outer top surface waterproof layer with the top horizontal of the foundation beam intersected outside basement wall, it is described
Foundation beam outer top surface waterproof layer is along the elongated setting of foundation beam, including boundary layer I and waterproof layer III, and the boundary layer I is using poly-
The production of urethane coating, horizontal paving are pasted onto the upper surface of foundation beam, the waterproof layer III using two layers of waterproof roll production
The upper surface of boundary layer I, III upper vertical of waterproof layer are equipped with facade coiled material protective layer III;
Wall construction seam is horizontally disposed on the basement wall at the upward 300-500 millimeter in basement bottom board top surface,
Wall construction seam position up and down, basement wall outside be equipped with wall construction seam on the outside of waterproof layer, the wall construction
Waterproof layer includes boundary layer II, waterproof layer IV and buffer layer on the outside of at seam, and the boundary layer II is made of polyurethane coating, is glued
It is attached between waterproof layer IV and basement wall, the waterproof layer IV is vertically set on underground using two layers of waterproof roll production
Outside the wall of room, it is pasted onto the outside of boundary layer II, the inside of buffer layer, the buffer layer is made of polyurethane sheet, is pasted
Between waterproof layer IV and facade coiled material protective layer III;The both sides of the foundation beam outer top surface waterproof layer are respectively and outside foundation beam
Waterproof layer intersects vertically and tightly connects on the outside of at side waterproof layer and wall construction seam;
Basement wall construction joint intermediate water-repellent layer, basement wall construction joint are vertically equipped at the middle part of wall construction seam
Intermediate water-repellent layer waterproof among basement wall length direction elongated setting parallel with inside and outside metope, basement wall construction joint
Layer is made of steel plate water stopper.
Preferably, the length of the facade coiled material protective layer I, facade coiled material protective layer II and facade coiled material protective layer III point
It is wide not with the equal length of foundation beam side waterproof layer, foundation beam lateral surface waterproof layer, foundation beam outer top surface waterproof layer under bottom plate
Degree is 240 millimeters, and height matches with the correspondingly-sized of associated components respectively.
Further, tooled joint layer is further respectively had at the top of facade coiled material protective layer II and facade coiled material protective layer III,
The tooled joint layer is made of cement mortar.
Preferably, the upper surface of the tooled joint layer is in ramped shaped or arc.
Preferably, the facade coiled material protective layer I, facade coiled material protective layer II and facade coiled material protective layer III are all made of general
Logical fired brick, M2.5 masonry of cement mortar form.
Preferably, 300 millimeters of the steel plate width of the steel plate water stopper, 3 millimeters of thickness, 200 milli of steel plate water stopper centre
Rice width range is flat plate, and two hem width degrees are to bend at 50 millimeters, and the angle with central flat is positive and negative 10 degree, along wall
Length direction elongated setting parallel with inside and outside metope.
The present invention also provides the construction method of above-mentioned basement bottom board and external wall waterproof structure, Specific construction step is:
Before basement bottom board and foundation beam construction, foundation pit has first been excavated, ground confining bed of constructing immediately after foundation trench examination, the ground envelope
Layer is closed using C15 concreting, with a thickness of 100 millimeters, after the concrete strength of ground confining bed reaches 1.2MPa, on ground
The surface unwrapping wire of lower room bottom plate and foundation beam, using ordinary fired brick and M2.5 masonry of cement mortar construction facade coiled material protective layer
I and facade coiled material protective layer II, the width of facade coiled material protective layer I and facade coiled material protective layer II is 240 millimeters, height point
It does not match with the correspondingly-sized of associated components;
20 millimeters of smearing thickness of water is distinguished in the inner surface of construction facade coiled material protective layer I and facade coiled material protective layer II
Cement mortar, after dry, foundation beam under successively successively construct basic soffit waterproof layer, basement bottom board bottom surface waterproof layer, bottom plate
Side waterproof layer and foundation beam lateral surface waterproof layer;
The reinforcing bar of basement bottom board, foundation beam and basement wall is installed again;
Basement wall construction joint intermediate water-repellent layer is installed, the installation of basement wall construction joint intermediate water-repellent layer is with wall
Construction joint is boundary, and the middle line of basement wall construction joint intermediate water-repellent layer is corresponding with wall construction seam;
The wall construction for installing wall sews on the template of lower portion, pours the concrete of basement bottom board and foundation beam, together
When pour reach wall construction seam position walls concrete, after the concrete strength poured reaches 1.2MPa, then pour walling
Body construction sews on the walls concrete in portion;
Waterproof layer on the outside of at foundation beam outer top surface of constructing again after demoulding waterproof layer, wall construction seam, finally in foundation beam
Outer top surface waterproof layer upper surface is using ordinary fired brick and M2.5 masonry of cement mortar construction facade coiled material protective layer III, facade
The length of coiled material protective layer III and the equal length of foundation beam outer top surface waterproof layer, width are 240 millimeters, are highly applied with wall
The height of waterproof layer matches on the outside of at work seam.
Compared with prior art, the invention has the following beneficial effects:
Basement bottom board is set in the below ground part of basement bottom board, foundation beam and basement wall and exterior wall is anti-
Water prevents water in underground water and soil from entering basement, avoids outdoor moist or even has basement leakage existing for underground water, waterproof
Performance is good, easy for construction.
Detailed description of the invention
Fig. 1 is the schematic diagram of basement bottom board and external wall waterproof structure of the invention;
In figure, 1- foundation soil;2- ground confining bed;3- basement bottom board;4- basement bottom board bottom surface waterproof layer;The basis 5-
Beam;6- facade coiled material protective layer I;Foundation beam side waterproof layer under 7- bottom plate;The basis 8- soffit waterproof layer;The protection of 9- facade coiled material
Layer II;10- foundation beam lateral surface waterproof layer;11- foundation beam outer top surface waterproof layer;12- basement wall;Under 121- construction joint
Wall;Wall on 122- construction joint;13- facade coiled material protective layer III;14- wall construction seam;Outside is anti-at 15- wall construction seam
Water layer;16- tooled joint layer;17- basement wall construction joint intermediate water-repellent layer.
Specific embodiment
Invention is further described in detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, a kind of basement bottom board and external wall waterproof structure, including basement bottom board 3, setting are in the underground
Foundation beam 5 and basement wall 12 around room bottom plate 3, between the lower part and foundation soil 1 of the basement bottom board 3, described
It is respectively equipped with ground confining bed 2 between the lower part and foundation soil 1 of foundation beam 5,
Basement bottom board bottom surface waterproof layer 4 is equipped between the lower part of the basement bottom board 3 and the ground confining bed 2,
Basement bottom board bottom surface waterproof layer 4 includes transition zone I and waterproof layer I, and the transition zone I is made of adhesive bitument primer, sternly
Close to brush in the upper surface of the ground confining bed 2, the waterproof layer I is pasted using two layers of waterproof roll production, lower layer coiled material
In the upper surface of the transition zone I, without stickup dry-laid between upper layer coiled material and lower layer coiled material;
It is equipped with facade coiled material protective layer I 6 in the downward vertical of basement bottom board 3 and the intersection of foundation beam 5, described vertical
The inner surface of roll material protective layer I 6 is vertically equipped with foundation beam side waterproof layer 7 under bottom plate, foundation beam side waterproof layer 7 under the bottom plate
It is made of two layers of waterproof roll, basement bottom board bottom surface waterproof layer 4 intersects vertically with foundation beam side waterproof layer 7 under bottom plate
And it tightly connects;
Basic soffit waterproof layer 8, the basis are equipped between the lower part of the foundation beam 5 and the ground confining bed 2
Soffit waterproof layer 8 includes transition zone II and waterproof layer II, and the transition zone II is made of adhesive bitument primer, tight to brush in institute
The upper surface of ground confining bed 2 is stated, the waterproof layer II is pasted onto the transition using two layers of waterproof roll production, lower layer coiled material
The upper surface of layer II, without stickup dry-laid between upper layer coiled material and lower layer coiled material;
It is equipped with facade coiled material protective layer II 9 in the outside vertical of 5 surrounding of foundation beam, in the facade coiled material protective layer II 9
Inner surface be vertically equipped with foundation beam lateral surface waterproof layer 10, the foundation beam lateral surface waterproof layer 10 uses two layers of waterproof roll
Production, the both sides of the basis soffit waterproof layer 8 respectively with foundation beam side waterproof layer 7, foundation beam lateral surface waterproof under bottom plate
Layer 10 intersects vertically and tightly connects;
Foundation beam outer top surface waterproof layer is being equipped with the top horizontal of the foundation beam 5 intersected outside basement wall 12
11, the foundation beam outer top surface waterproof layer 11 is along the elongated setting of foundation beam 8, including boundary layer I and waterproof layer III, the interface
Layer I is made of polyurethane coating, and horizontal paving uses two layers of waterproof roll in the upper surface of foundation beam 5, the waterproof layer III
Production, is pasted onto the upper surface of boundary layer I, and III upper vertical of waterproof layer is equipped with facade coiled material protective layer III 13;
Wall construction seam is horizontally disposed on the basement wall 12 at the upward 300-500 millimeter in 5 top surface of basement bottom board
14, the waterproof layer 15 on the outside of the position up and down of wall construction seam 14, the outside of basement wall 12 are equipped at wall construction seam, institute
Stating waterproof layer 15 on the outside of at wall construction seam includes boundary layer II, waterproof layer IV and buffer layer, and the boundary layer II uses poly- ammonia
Ester paint production, is pasted between waterproof layer IV and basement wall 12, and the waterproof layer IV is made of two layers of waterproof roll,
It is vertically set on outside basement wall 12, is pasted onto the outside of boundary layer II, the inside of buffer layer, the buffer layer is using poly-
The production of urethane plate, is pasted between waterproof layer IV and facade coiled material protective layer III 13;The foundation beam outer top surface waterproof layer 11
Both sides respectively at foundation beam lateral surface waterproof layer 10 and wall construction seam on the outside of waterproof layer 15 intersect vertically and tightly connect;
It is vertically equipped with basement wall construction joint intermediate water-repellent layer 17 at the middle part of wall construction seam 14, basement wall is applied
Work stitches intermediate water-repellent layer 17 along the elongated setting parallel with inside and outside metope of 12 length direction of basement wall, basement wall construction joint
Intermediate water-repellent layer 17 is made of steel plate water stopper, 300 millimeters of the steel plate width of the steel plate water stopper, and 3 millimeters of thickness, steel plate
200 mm in width ranges are flat plate among waterstop, and two hem width degrees are to bend at 50 millimeters, and the angle with central flat is
Positive and negative 10 degree, along the elongated setting parallel with inside and outside metope of wall length direction.
Basement bottom board 3 is the bottom member of building, is formed using reinforced concrete cast-in-situ, the thickness of basement bottom board 3
Degree is with the height change of building, and buildings in general is higher, and the thickness of basement bottom board 3 is bigger, and minimum thickness is 500 millis
Rice;The lower part of basement bottom board 3 must be provided with ground confining bed 2, to prevent base plate leakage, using the solution of the present invention in underground
Basement bottom board bottom surface waterproof layer 4 is arranged in the top of the lower part of room bottom plate 3, ground confining bed 2;Basement bottom board bottom surface waterproof layer
It is not bonded between 4 upper layer and lower layer waterproof roll, it can be free before and after the solidification after being also beneficial to 3 concreting of basement bottom board
It is flexible.
Foundation beam 5 is the component of receiving 12 load of basement wall to link together with basement bottom board 3, with basement
Bottom plate 3 is constructed simultaneously;The facade coiled material protective layer I 6 and facade coiled material protective layer II 9 being centered around around foundation beam 5, and basis
The permanent formwork of beam 5.
Basement wall 12 is the shear wall of armored concrete production, since construction needs, the necessary placement layer by layer of wall, point
Layer pours the construction joint at position and is easiest to leak, under construction joint on wall 121 and construction joint wall 122 due to construction joint exist into
Capable artificial division, actually basement wall 12 are whole.
Ground confining bed 2 is the separation layer of basement bottom board 3 and foundation beam 5 and foundation soil 1, and effect is to prevent underground water pair
The effect of basement bottom board 3 and foundation beam 5, using C15 concreting, with a thickness of 100 millimeters.
Facade coiled material protective layer is the protective layer of facade waterproof coiled material, using ordinary fired brick M2.5 masonry of cement mortar,
The length of facade coiled material protective layer I 6, facade coiled material protective layer II 9 and facade coiled material protective layer III 13 with respectively with base under bottom plate
The equal length of plinth beam side waterproof layer 7, foundation beam lateral surface waterproof layer 10, foundation beam outer top surface waterproof layer 11, width are
240 millimeters, height matches with the correspondingly-sized of associated components respectively, neutral surface coiled material protective layer I 6, the protection of facade coiled material
20 millimeters of thickness of cement mortar is smeared in the face that layer II 9 is contacted with corresponding waterproof layer, and waterproof roll is pasted onto cement mortar
Surface.
Wall construction seam 14 is the interim measure of construction, and preferential setting is 300-500 millimeters upward in 3 top surface of basement bottom board
The position of the basement wall 12 at place is horizontally disposed;The reinforcing bar of basement wall 12 at wall construction seam 14 does not turn off, but pacifies
When steel loading muscle, it is necessary to be installed in place basement wall construction joint intermediate water-repellent layer 17.
Tooled joint layer 16 is the elongated cement sand bed being arranged at the top of facade coiled material protective layer, and effect is made in work progress
The water energy of facade coiled material protective layer top surface excludes in time, and 16 wide 240 millimeters of tooled joint layer, 120 millimeters high, upper surface can be made into tiltedly
Slope may be alternatively configured cambered surface.
The construction method of above-mentioned basement bottom board and external wall waterproof structure, comprises the concrete steps that: in basement bottom board 3 and basis
Before beam 5 is constructed, foundation pit is first excavated, ground confining bed 2 of constructing immediately after foundation trench examination, the ground confining bed is mixed using C15
Solidifying soil pours, with a thickness of 100 millimeters, after the concrete strength of ground confining bed 2 reaches 1.2MPa, in 3 He of basement bottom board
The surface unwrapping wire of foundation beam 5, using ordinary fired brick and M2.5 masonry of cement mortar construction facade coiled material protective layer I 6 and facade
The width of coiled material protective layer II 9, facade coiled material protective layer I 6 and facade coiled material protective layer II 9 is 240 millimeters, height respectively with
The correspondingly-sized of associated components matches;
20 millimeters of smearing thickness are distinguished in the inner surface of construction facade coiled material protective layer I 6 and facade coiled material protective layer II 9
Cement mortar, after dry, base under successively successively construct basic soffit waterproof layer 8, basement bottom board bottom surface waterproof layer 4, bottom plate
Plinth beam side waterproof layer 7 and foundation beam lateral surface waterproof layer 10;
The reinforcing bar of basement bottom board 3, foundation beam 5 and basement wall 12 is installed again;
Basement wall construction joint intermediate water-repellent layer 17 is installed, the installation of basement wall construction joint intermediate water-repellent layer 17 with
Wall construction seam 14 is boundary, and the middle line of basement wall construction joint intermediate water-repellent layer 17 is corresponding with wall construction seam 14;
The wall construction for installing basement wall 12 stitches the template at about 14 positions, pours basement bottom board 3 and foundation beam 5
Concrete, while pouring and reaching the walls concrete that wall construction stitches 14 positions, the concrete strength poured reaches
After 1.2MPa, then pour the walls concrete that wall construction stitches 14 tops;
Waterproof layer 15 on the outside of at foundation beam outer top surface of constructing again after demoulding waterproof layer 11, wall construction seam, finally in base
11 upper surface of plinth beam outer top surface waterproof layer is using ordinary fired brick and M2.5 masonry of cement mortar construction facade coiled material protective layer
III 13, the length of facade coiled material protective layer III 13 and the equal length of foundation beam outer top surface waterproof layer 11, width are 240 millis
Rice, highly at wall construction seam on the outside of the height of waterproof layer 15 match.