CN106836310B - A kind of building basement external wall waterproof construction method - Google Patents
A kind of building basement external wall waterproof construction method Download PDFInfo
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- CN106836310B CN106836310B CN201710107644.4A CN201710107644A CN106836310B CN 106836310 B CN106836310 B CN 106836310B CN 201710107644 A CN201710107644 A CN 201710107644A CN 106836310 B CN106836310 B CN 106836310B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
- E02D31/04—Watertight packings for use under hydraulic pressure
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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
- E04B1/0007—Base structures; Cellars
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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
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0007—Production methods using a mold
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
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Abstract
The invention discloses a kind of building basement external wall waterproof construction methods, which is characterized in that this method realizes waterproof construction in such a way that addition PNC803 waterproof material enters outer wall of basement casting concrete.The present invention has the advantages that easy to operate, short time limit, expense is low, good water-proof effect.
Description
Technical field
The invention belongs to building foundation engineering construction fields, and in particular to a kind of building basement external wall waterproof construction party
Method.
Background technique
With the development of economy with the sustainable growth of population, land resource increasingly seems urgent.University is promoted from religion
Educating land used is commercialized land used transition to half Educational Return land used half, therewith it is adjoint be a large amount of comprehensive commercial mansion such as rain after
It has emitted and has come out as spring bamboo.But commercial mansion will not only meet the land for teaching requirement of school, and meet business
The benefit requirement of profit, so commercial mansion addressing generally can all be selected in close city road side, to largely increase
The difficulty of construction, and Deep Foundation Pit construction is more intended to excavate without fertile slot.
Building foundation pit refers to that the outer foundation pit inner wall of building basement exterior wall does not scrape out slope without fertile slot excavation construction method,
And state in a vertical shape, so that the operating space of outer wall of basement and foundation pit crater wall is than narrow building foundation pit construction method.One
As building foundation waterproof construction, need outer wall of basement outer surface be arranged waterproof roll, then a protective layer is set again,
It is backfilled again after construction foundation working.But take the operating space for meaning barricade Yu foundation pit crater wall without fertile slot excavation technology
Narrow, without constructing operation face, difficulty of construction is larger for basement waterproofing.Traditional self-adhering polymer waterproof coiled material construction, needs
Moulding wall is done, and is constructed using single side formwork, therefore there are long in time limit, costly, difficulty of construction is big for this existing waterproof technique
The defects of.
Summary of the invention
In view of the above shortcomings of the prior art, the technical problems to be solved by the present invention are: providing a kind of construction is simple, work
Phase is short, and expense is low, the building basement external wall waterproof construction method of good water-proof effect, is particularly suitable for the deeper skyscraper of foundation pit
Building basement external wall construction in practice.
In order to solve the above-mentioned technical problem, present invention employs the following technical solutions:
A kind of building basement external wall waterproof construction method, which is characterized in that this method is using addition PNC803 waterproof material
The mode that material enters outer wall of basement casting concrete realizes waterproof construction.
PNC waterproof material is interior biography waterproof material of splashing, and is a kind of existing waterproof material, but applicant is applied to for the first time
State the building foundation waterproof construction of mode.With safety easy for construction, save the cost, the duration is shorter, and waterproof effect is outstanding, quality
The advantages that reliable durable is strong and environmentally protective.
The dusty material that PNC803 is formulated by Portland cement and a variety of chemical substances, in concrete whipping process
Addition occurs chemical reaction with water, calcium hydroxide in concrete stirring thing and generates crystalline solid not soluble in water, is filled, seals
Stifled capillary and contraction fissure, cannot be introduced into water or other liquid in any direction all, to achieve the purpose that waterproof.It is anhydrous
When, the active constituent of PNC803 in a dormant state, will be reactivated when contacting again with water, new crystalline solid is generated,
Concrete is set to obtain permanent waterproof, anti-corrosion protection.Therefore it can ensure that different situations respectively can reach good waterproof effect.
This method specifically includes following construction procedure: (1) dabbing is handled；I.e. in raft foundation formwork pouring construction,
Accordingly lower outdoor wall displacement formed by integrally casting goes out one section of outer wall foundation to raise upward at raft foundation edge, pre-buried in outer wall foundation
Reinforcing bar straight up, outer wall foundation centre embedded water stop steel plate, steel plate for sealing water half exposes outer wall foundation upper surface, in coagulation
Dabbing processing is carried out to the outer wall foundation upper surface before native final set, forms male and fomale(M&F), and is rinsed with water clean；Guarantee connection effect
Fruit.
(2) the reinforcing bar binding of outer wall of basement is completed based on embedded bar in outer wall foundation；
(3) formwork erection；When formwork erection, outer wall of basement and indoor beam slab and interior wall one formwork, or on ground
One section of the position formation evagination of the corresponding indoor beam slab of lower room exterior wall and interior wall pours chamber；Simultaneously in outer wall of basement and indoor beam
Plate and interior wall junction fixed setting block；(block is for guaranteeing between outer wall of basement and indoor beam slab and interior wall
Connection, while increasing concrete mobile obstacle again, it thus is avoided that coagulation between outer wall of basement and indoor beam slab and interior wall
The flowing of soil so that the position of indoor beam slab and interior wall pour can using the concrete for being not added with PNC waterproof material, save at
This, while concrete being avoided to flow the waterproof effect for also ensuring joining place outer wall body)
(4) concreting, the step of including the steps that concrete configuration and pour；When pouring, outer wall of basement is corresponding
Using the concreting of addition PNC waterproof material in template inner cavity, indoor beam slab and the corresponding template inner cavity of interior wall be not using
Add the concreting of PNC waterproof material；
(5) demoulding, concrete strength reach 2.5MPa or more, carry out demoulding construction.
In this way, waterproof material is added in concrete and pours using aforesaid way step, obtained coagulation civil engineering
It builds nature and has good waterproof effect, and do not influence the normal construction step of construction.
As optimization, pour with being added in concrete during PNC waterproof material carries out outer wall of basement waterproof construction, when
Outer wall of basement is poured to height more than after constructor's height, when template installation is reinforced, is installed using on the outside of outer wall of basement
Operation platform, operator station carry out upward template installation and are reinforced on operation platform；Operation platform structure includes vertically setting
It sets and horizontal interval is arranged in the vertical upright bar of a row between outer wall of basement and foundation pit inner wall, being horizontally disposed in vertical upright bar has
Multiple rows of hyphen bar being intervally arranged along the vertical direction, hyphen bar one end are weldingly fixed on the outer wall of basement water-proof bolt poured
Outer end, the other end are anchored on foundation pit inner wall, and fastener fixing, every row's hyphen bar upper surface are used between hyphen bar and vertical upright bar
It is overlapped along the direction of horizontal vertical and is provided with the first long transverse lever and the second long transverse lever, the first long transverse lever and the second long transverse lever interval
Arrangement and its length direction is consistent with outer wall of basement length direction, the first long transverse lever and the second long transverse lever respectively with hyphen bar it
Between use fastener fixing, the first long transverse lever and the second long transverse lever surface are equipped with bamboo yoke plate.
In this way, brace foundation of the hyphen bar as platform, one end are anchored in foundation pit inner wall, the other end is fixedly welded on sealing
Bolt, then the simple single vertical upright bar in middle part is relied on to realize support, simple structure ensure that the stability of support, while by
Only have single in vertical upright bar and connected using fastener with hyphen bar, therefore interference will not be generated, installing and dismounting is extremely convenient fast
It is prompt.Two root long cross bars being arranged and the bamboo yoke plate structure of laying are simple, and worker is facilitated to walk on it, improve safety.
As optimization, length direction also horizontal laying of the ground along outer wall of basement between outer wall of basement and foundation pit inner wall
There is support baseboard, support baseboard upper surface is arranged at intervals with installation groove, the vertical upright bar along outer wall of basement length direction
Lower end correspondence is plugged in installation groove.In this way, facilitating the installation of vertical upright bar to position, while support baseboard improves construction and puts down
Platform lower end load area avoids vertical upright bar lower end from falling into soil and influence operation platform stability.It is described short as optimization
The steel pipe that cross bar, the first long transverse lever and the second long transverse lever are all made of φ 48 × 3.0 obtains, have it is low in cost, it is easy for construction, surely
Fixed reliable advantage.As optimization, the height distance between adjacent two rows hyphen bar is 1.5 meters, every phase between every row's hyphen bar
Adjacent two 1.2 meters of hyphen bar horizontal spaces；The size can not only guarantee the structural soundness of operation platform entirety, but also will not be excessive
Ground wastes material, saves cost, and very convenient worker climbs up and over up and down.As optimization, hyphen bar one end is anchored into foundation pit inner wall
30cm；The size can both reduce the difficulty of anchoring.Facilitate construction, and can guarantee to anchor the reliability of load-bearing.
As optimization, the vertical upright bar is disposed adjacent with the first long transverse lever close to foundation pit inner wall.This is because hyphen
Bar and foundation pit inner wall are that the mode of anchoring is fixed, and the hyphen bar other end is to be welded on water-proof bolt, after the former stability is not so good as
Person, therefore vertical upright bar is disposed in proximity to the former position, can preferably improve the integrally-built stability of operation platform and can
By property.
As optimization, pour with being added in concrete during PNC waterproof material carries out outer wall of basement waterproof construction, it is mixed
It when solidifying soil configuration, is realized using water-proof concrete configuration device below, including a concrete tank, further includes a stirring
Bucket, is provided with a plastic water bag in agitator, and plastic water bag upper end opening edge is consistent with agitator upper port edge and phase
Even, the length after plastic water bag extends is equal to or higher than agitator depth, and agitator bottom, which is located at below plastic water bag, to be provided with
Electronic weigher, electronic weigher has a horizontally disposed weighing face for being located at the top and the weighing face is located at agitator
Middle part, agitator upper end side are also provided with and communicated with water inlet pipe outward, and water inlet pipe inner end is sealingly connected to inside plastic water bag, into
Water inlet switch valve is installed, agitator lower end side is also provided with and communicated with outlet pipe outward, and the sealing of outlet pipe inner end connects on water pipe
It is connected to inside plastic water bag, effluent switch valve and water pump is provided on outlet pipe, outlet pipe water outlet is connected to concrete tank
The entrance of upper agitator tank.
In this way, open water inlet switch valve in use, effluent switch valve can be closed first, by water inlet pipe to plastic water bag
Interior water inlet closes water inlet switch valve after entering the water of fixed mass by electronic weigher metering, corresponding ratio is then added
In PNC waterproof material to plastic water bag, after mixing evenly, then opens effluent switch valve and water pump and uniformly will be mixed with PNC waterproof
The water of material is directly pumped into agitator tank, and concrete formulation is added and is stirred.In this way, first realizing that PNC is anti-by agitator
It is added directly into concrete drums after the stirring and evenly mixing of water material, ensure that PNC waterproof material is mixed in concrete
Even property and timeliness, the time conditions matching for using it with waterproof material itself, ensure that good waterproof effect.
It further include self- poking arrangement as optimization, self- poking arrangement includes a tripod, and tripod includes circumferential
Upper equally distributed three foot levers, foot lever inner end are fixedly connected with a motor, foot lever length and the matching of agitator radius and foot lever
Outer end under being it is curved for and the clamping of agitator edge bending, motor output end be connected with one extend straight down stir
Axis is mixed, agitating shaft lower end extends to agitator middle and lower part position and the lower end is provided with stirring blade.
In this way, stirring barrel edge can be fixed on by tripod foot lever, so that stirring blade is deep into agitator
Inside drives stirring blade to realize stirring to waterproof material by motor, more convenient and do not improve mixing effect again not
Weight calculation is influenced to weigh.
Be additionally provided with one piece of intermediate plate as optimization, between electronic weigher and plastic water bag, intermediate plate it is horizontally disposed and
Shape is consistent with agitator lumenal cross-section, and there are can slide up and down for intermediate plate between intermediate plate edge and stirring barrel cavity
Gap, intermediate plate upper surface is directly and plastic water bag is affixed setting, the weighing at intermediate plate lower surface middle part and electronic weigher
Face is affixed setting.It can improve and claim preferably by the weight transmitting to electronic weigher of plastic water bag by intermediate plate in this way
Weight accuracy.Further, intermediate plate lower surface is provided with one layer of elastic rubber material, in this way can preferably and electronics
The weighing face of weighing apparatus fits, and keeps its weighing accurate.
As optimization, electronic weigher has the display screen for being located at side, on the agitator side of display screen face
It is provided with watch window.In this way, being conducive to reading.
As optimization, outer wall of basement pours the method for smashing using layer and section circulation, by exterior wall peripherally around perimeter staged and layered
It circuits sequentially and pours, lift height is not greater than 500mm；Every circle connector must be completed before concrete initial set, turn-taked and carried out week
And renew, until exterior wall pours and smashes completion；It can better ensure that pouring quality, and improve and pour efficiency, while this segmentation point
Layer pours mode, so that every section concrete pours the time and waterproof material is matched using the time, better ensures that every section of coagulation
Soil pour after waterproof effect.
As optimization, after outer wall of basement pours, for raft plate base by the way of brushing PNC waterproof material solution
When on the outside of plinth with outer wall of basement intersection area waterproof construction, PNC401 material and water are mixed according to the ratio of mass ratio 5:3
Be uniformly mixing to obtain coating, by coating application on the outside of the raft foundation with outer wall of basement intersection area, point twice of brushing, to the
When one time coating is tack-free, carries out second and brush.In this way, having construction is simple, it can be better protected from joining place leakage, protected
Demonstrate,prove the waterproof effect of hypogee entirety.Wherein external wall is brushed using PNC401, it is desired to which position basal plane cleans, is wet
Profit, Wu Mingshui, and brush height and prolong 300mm on steel plate for sealing water, form the effective waterproof lap of splice, it is ensured that the anti-water quality in periphery
Amount.
In conclusion the advantages of present invention has construction is simple, and short time limit, expense is low, good water-proof effect, is particularly suitable for
It is practiced in the building basement external wall construction of the deeper skyscraper of foundation pit.
Detailed description of the invention
Fig. 1 is to adopt the side view of outer wall of basement pouring construction platform structure in specific embodiment.
Fig. 2 is the top view for descending room exterior wall pouring construction platform structure as shown in Figure 1.
Fig. 3 is the structural schematic diagram of water-proof concrete configuration device in specific embodiment.
Fig. 4 is the main view of independent agitator in Fig. 3.
Fig. 5 is the top view of Fig. 4.
Specific embodiment
The present invention is described in further detail with attached drawing With reference to embodiment.
Specific embodiment:
A kind of building basement external wall waterproof construction method, it is characterized in that, this method is using addition PNC803 waterproof material
The mode that material enters outer wall of basement casting concrete realizes waterproof construction.
PNC waterproof material is interior biography waterproof material of splashing, and is a kind of existing waterproof material, but applicant is applied to for the first time
State the building foundation waterproof construction of mode.With safety easy for construction, save the cost, the duration is shorter, and waterproof effect is outstanding, quality
The advantages that reliable durable is strong and environmentally protective.
The dusty material that PNC803 is formulated by Portland cement and a variety of chemical substances, in concrete whipping process
Addition occurs chemical reaction with water, calcium hydroxide in concrete stirring thing and generates crystalline solid not soluble in water, is filled, seals
Stifled capillary and contraction fissure, cannot be introduced into water or other liquid in any direction all, to achieve the purpose that waterproof.It is anhydrous
When, the active constituent of PNC803 in a dormant state, will be reactivated when contacting again with water, new crystalline solid is generated,
Concrete is set to obtain permanent waterproof, anti-corrosion protection.Therefore it can ensure that different situations respectively can reach good waterproof effect.
This method specifically includes following construction procedure:
(1) dabbing is handled；I.e. in raft foundation formwork pouring construction, outer wall of basement is corresponded at raft foundation edge
Position formed by integrally casting goes out one section of outer wall foundation to raise upward, pre-buried reinforcing bar straight up in outer wall foundation, in outer wall foundation
Between embedded water stop steel plate, steel plate for sealing water half expose outer wall foundation upper surface, to table on the outer wall foundation before concrete final set
Face carries out dabbing processing, forms male and fomale(M&F), and is rinsed with water clean；Guarantee connection effect.
(2) the reinforcing bar binding of outer wall of basement is completed based on embedded bar in outer wall foundation；
Outer wall of basement must be stayed by construction drawing sets wall joint bar model, quantity and spacing, same to wall reinforcement；Wall is vertical
Reinforcing bar screwed pipe joint in the construction process, and same section overlapping area is not more than 50%, the wall position of upper and lower level floor is inserted
Muscle spacing, position is consistent, prevents from misplacing；
(3) formwork erection；When formwork erection, outer wall of basement and indoor beam slab and interior wall one formwork, or on ground
One section of the position formation evagination of the corresponding indoor beam slab of lower room exterior wall and interior wall pours chamber；Simultaneously in outer wall of basement and indoor beam
Plate and interior wall junction fixed setting block；(block is for guaranteeing between outer wall of basement and indoor beam slab and interior wall
Connection, while increasing concrete mobile obstacle again, it thus is avoided that coagulation between outer wall of basement and indoor beam slab and interior wall
The flowing of soil so that the position of indoor beam slab and interior wall pour can using the concrete for being not added with PNC waterproof material, save at
This, while concrete being avoided to flow the waterproof effect for also ensuring joining place outer wall body)
In implementation process, when specific formwork, support system is required smooth vertical and horizontal between template and template, and fulcrum is secured, side
The bottom of mould diagonal brace adds chock, and has enough compression areas；The bottom surface of wall and post template require it is levelling, lower end and in advance
Ready-made benchmark is close to leveling；When continuing installation template on wall, pillar, template has reliable supporting-point, to ensure wall, column
Cross dimensions guarantees that cross dimensions, spacing are 2m or so in formwork in concrete cuns；Its flatness and verticality should be into
Row correction；
(4) concreting, the step of including the steps that concrete configuration and pour；When pouring, outer wall of basement is corresponding
Using the concreting of addition PNC waterproof material in template inner cavity, indoor beam slab and the corresponding template inner cavity of interior wall be not using
Add the concreting of PNC waterproof material；
Outer wall of basement pours the method for smashing using layer and section circulation, and exterior wall is peripherally circuited sequentially around perimeter staged and layered and is poured
It builds, lift height is not greater than 500mm；Every circle connector must be completed before concrete initial set, turn-take progress in cycles, until
Exterior wall, which pours, smashes completion；It can better ensure that pouring quality, and improve and pour efficiency, while this staged and layered pours mode,
So that every section concrete pours the time and waterproof material is matched using the time, better ensure that anti-after every section concrete pours
Water effect.
(5) demoulding, concrete strength reach 2.5MPa or more, carry out demoulding construction；
Concrete is not damaged in demoulding, front face template mainly using moving integrally, pays attention to template in moving process
Stability, safety, guarantee construction safety.
In this way, waterproof material is added in concrete and pours using aforesaid way step, obtained coagulation civil engineering
It builds nature and has good waterproof effect, and do not influence the normal construction step of construction.
It is walked using pouring with the specific pouring construction that addition PNC waterproof material carries out raft foundation waterproof construction in concrete
It is rapid identical with the construction of common raft foundation, deep basal pit waterproof construction is carried out with addition PNC waterproof material in concrete using pouring
Specific pouring construction step it is identical with common deep foundation pit construction.
In present embodiment, pours and carry out outer wall of basement waterproof construction process with addition PNC waterproof material in concrete
In, after outer wall of basement, which is poured, is more than constructor's height to height, when template installation is reinforced, using on the outside of outer wall of basement
Installation platform, operator station carry out upward template installation and are reinforced on operation platform.
The operation platform structure is as Figure 1-Figure 2 including vertically arranged and horizontal interval is arranged in outer wall of basement
The vertical upright bar 13 of a row between 11 and foundation pit inner wall 12, being horizontally disposed in vertical upright bar 13 has multiple rows of interval row along the vertical direction
The hyphen bar 14 of cloth, 14 one end of hyphen bar are weldingly fixed on the outer wall of basement water-proof bolt outer end 15 poured, other end anchor
Gu using fastener fixing, every 14 upper surface Yan Shui of row's hyphen bar between hyphen bar 14 and vertical upright bar 13 on foundation pit inner wall 12
It puts down vertical direction and overlaps and be provided with the first long transverse lever 16 and the second long transverse lever 17, the first long transverse lever 16 and the second long transverse lever 17
It is intervally arranged and its length direction is consistent with outer wall of basement length direction, the first long transverse lever and the second long transverse lever are respectively and hyphen
Fastener fixing is used between bar, the first long transverse lever and the second long transverse lever surface are equipped with bamboo yoke plate 18.
In this way, brace foundation of the hyphen bar as platform, one end are anchored in foundation pit inner wall, the other end is fixedly welded on sealing
Bolt, then the simple single vertical upright bar in middle part is relied on to realize support, simple structure ensure that the stability of support, while by
Only have single in vertical upright bar and connected using fastener with hyphen bar, therefore interference will not be generated, installing and dismounting is extremely convenient fast
It is prompt.Two root long cross bars being arranged and the bamboo yoke plate structure of laying are simple, and worker is facilitated to walk on it, improve safety.
In present embodiment, ground is also horizontal along the length direction of outer wall of basement between outer wall of basement and foundation pit inner wall
It is equipped with support baseboard 19, support baseboard upper surface is arranged at intervals with installation groove along outer wall of basement length direction, described perpendicular
It is plugged in installation groove to upright bar lower end correspondence.In this way, facilitating the installation of vertical upright bar to position, while support baseboard improves
Operation platform lower end load area avoids vertical upright bar lower end from falling into soil and influence operation platform stability.As optimization,
The steel pipe that the hyphen bar 14, the first long transverse lever 16 and the second long transverse lever 17 are all made of φ 48 × 3.0 obtains, and has at low cost
Honest and clean, easy for construction, reliable and stable advantage.As optimization, the height distance between adjacent two rows hyphen bar is 1.5 meters, every row
Per 1.2 meters of horizontal space of adjacent two hyphen bars between hyphen bar；The size can both guarantee that the structure of operation platform entirety was steady
Solidity, and material will not be wasted too much, cost is saved, and very convenient worker climbs up and over up and down.As optimization, hyphen bar one end
It anchors into foundation pit inner wall 30cm；The size can both reduce the difficulty of anchoring.Facilitate construction, but can guarantee anchor load-bearing can
By property.
When implementation, the vertical upright bar is disposed adjacent with the first long transverse lever close to foundation pit inner wall.This is because hyphen bar
It is that the mode anchored is fixed with foundation pit inner wall, the hyphen bar other end is to be welded on water-proof bolt, the former is not so good as the latter by stability,
Therefore vertical upright bar is disposed in proximity to the former position, it can preferably improve the integrally-built stability of operation platform and reliable
Property.
In present embodiment, pours and carry out outer wall of basement waterproof construction process with addition PNC waterproof material in concrete
In, when concrete configures, realized using Fig. 3-water-proof concrete configuration device shown in fig. 5, including a concrete tank
21, further include an agitator 22, be provided with a plastic water bag 23 in agitator 22,23 upper end opening edge of plastic water bag and
22 upper port edge of agitator is consistent and connected, and the length after plastic water bag extends is equal to or higher than agitator depth, agitator
22 bottoms, which are located at below plastic water bag, is provided with electronic weigher 24, and electronic weigher 24 has the level for being located at the top
The weighing face of setting and the weighing face are located in the middle part of agitator, and 22 upper end side of agitator is also provided with and communicated with water inlet pipe outward
25,25 inner end of water inlet pipe is sealingly connected to inside plastic water bag 23, and water inlet switch valve 26, agitator 22 are equipped on water inlet pipe 25
Lower end side is also provided with and communicated with outlet pipe 27 outward, and 27 inner end of outlet pipe is sealingly connected to inside plastic water bag, outlet pipe 27
On be provided with effluent switch valve 28 and water pump 29,27 water outlet of outlet pipe is connected to the entrance of agitator tank on concrete tank 21.
In this way, open water inlet switch valve in use, effluent switch valve can be closed first, by water inlet pipe to plastic water bag
Interior water inlet closes water inlet switch valve after entering the water of fixed mass by electronic weigher metering, corresponding ratio is then added
In PNC waterproof material to plastic water bag, after mixing evenly, then opens effluent switch valve and water pump and uniformly will be mixed with PNC waterproof
The water of material is directly pumped into agitator tank, and concrete formulation is added and is stirred.In this way, first realizing that PNC is anti-by agitator
It is added directly into concrete drums after the stirring and evenly mixing of water material, ensure that PNC waterproof material is mixed in concrete
Even property and timeliness, the time conditions matching for using it with waterproof material itself, ensure that good waterproof effect.
It further include self- poking arrangement in present embodiment, self- poking arrangement includes a tripod 30, tripod 30
Including circumferential equally distributed three foot levers, foot lever inner end is fixedly connected with a motor 31, foot lever length and agitator radius
Matching and foot lever outer end under being it is curved for and the clamping of agitator edge bending, motor output end be connected with one vertically to
The agitating shaft 32 of lower extension, 32 lower end of agitating shaft extend to agitator middle and lower part position and the lower end are provided with stirring blade
33。
In this way, stirring barrel edge can be fixed on by tripod foot lever, so that stirring blade is deep into agitator
Inside drives stirring blade to realize stirring to waterproof material by motor, more convenient and do not improve mixing effect again not
Weight calculation is influenced to weigh.
In present embodiment, one piece of intermediate plate 34, intermediate plate are additionally provided between electronic weigher 24 and plastic water bag 23
34 is horizontally disposed and shape is consistent with agitator lumenal cross-section, and there are can be between intermediate plate edge and stirring barrel cavity
Between the gap that slides up and down of plate, intermediate plate upper surface is directly and plastic water bag is affixed setting, intermediate plate lower surface middle part and electronics
The weighing face of weighing apparatus is affixed setting.It in this way can be preferably by the weight transmitting of plastic water bag to electronic-weighing by intermediate plate
On device, weighing accuracy is improved.Further, 34 lower surface of intermediate plate is provided with one layer of elastic rubber material 35, makes it in this way
It can preferably fit with the weighing face of electronic weigher, keep its weighing accurate.
In present embodiment, electronic weigher 24 has the display screen 36 for being located at side, the stirring of display screen face
Barrel side is provided with watch window on face.In this way, being conducive to reading.
In present embodiment, on the outside of raft foundation and outside basement by the way of brushing PNC waterproof material solution
When the waterproof construction of wall intersection area, PNC401 material and water are mixed evenly to obtain coating according to the ratio of mass ratio 5:3,
Divide coating application to twice of brushing with outer wall of basement intersection area on the outside of raft foundation, when first pass coating is tack-free,
Second is carried out to brush.In this way, having construction is simple, it can be better protected from joining place leakage, guarantee hypogee entirety
Waterproof effect.Wherein external wall is brushed using PNC401, it is desirable that the cleaning of position basal plane, wet, Wu Mingshui, and brush
Height prolongs 300mm on steel plate for sealing water, forms the effective waterproof lap of splice, it is ensured that peripheral waterproof quality.
The construction method of above-mentioned specific embodiment also has the following characteristics that
1 is easy for construction, safety easily guarantees；Interior biography (PNC401) of splashing can be used for the anti-of concrete structure upstream face or back side
Water process, required working face is small, can be used it is dry the technological operations such as spread, brush, while without narrow barricade outer space into
Row waterproof construction, can be highly-safe from slope failure and by the danger of object strike.
2 save the costs；Interior biography waterproof of splashing is not necessarily to screed-coat and protective layer, and brushing exterior wall working strength is small, required working face
Small, when saving part labourer's expense, and carrying out backfill, be laid with reinforcing bar or steel wire or other normal process steps, coating is without spy
It does not protect.The maintenance cost in building structure later period is low, comprehensive cost low.
3 save the duration；To interior biography (PNC803) addition of splashing is carried out in outer wall of basement in without fertile slot basis, without making
Shape wall and single side formwork construction, do not account for the absolute construction period, interior biography of splashing can be added directly in exterior wall concrete construction
(PNC803), working strength is small, and work efficiency is high, has largely saved the duration.
4 permanent waterproofs；Interior biography water-proof concrete of splashing allows concrete to breathe freely (breathing), does not allow vapor to gather, makes coagulation
Soil keeps being completely dried, and inhibits or reduce the generation in inside concrete gap by material configuration, changes the formation in gap
And size characteristic, the water flowing road of inside concrete is blocked, improves the density of itself to achieve the purpose that waterproof.Simultaneously to mixed
There is scratch phenomenon in solidifying soil surface, on interior biography waterproof of splashing without influence, forms the permanent waterproof of concrete.
5 reliable in quality, durability are strong；Underground structure is built to occur being not more than the microcrack of 0.4mm, the activation for interior biography of splashing
New crystalline solid can be catalyzed again by learning substance, be filled, blocked crack, extend the service life of building, improve and build
It builds the economic life of object, and high hydrostatic pressure can be born, no matter come from upstream face or back side, provided for concrete structure
Permanent impermeable, LP blades protection, durability enhancing.
6 is environmentally protective；Interior biography product of splashing is nontoxic, tasteless, reduces chemical hazard present on building site, and avoid and build
The generation of building refuse, " green " building, " green " of the national call of active response are constructed.
Claims (5)
1. a kind of building basement external wall waterproof construction method, which is characterized in that this method is using addition PNC803 waterproof material
Mode into outer wall of basement casting concrete realizes waterproof construction；
Specifically includes the following steps:
(1) dabbing is handled；I.e. in raft foundation formwork pouring construction, outdoor wall displacement is accordingly descended at raft foundation edge
Formed by integrally casting goes out one section of outer wall foundation to raise upward, and pre-buried reinforcing bar straight up in outer wall foundation, outer wall foundation centre is in advance
Bury steel plate for sealing water, steel plate for sealing water half exposes outer wall foundation upper surface, before concrete final set to the outer wall foundation upper surface into
The processing of row dabbing, forms male and fomale(M&F), and is rinsed with water clean；
(2) the reinforcing bar binding of outer wall of basement is completed based on embedded bar in outer wall foundation；
(3) formwork erection；When formwork erection, outer wall of basement and indoor beam slab and interior wall one formwork, or in basement
One section of the position formation evagination of the corresponding indoor beam slab of exterior wall and interior wall pours chamber；Simultaneously outer wall of basement and indoor beam slab with
And interior wall junction fixed setting block；
(4) concreting, the step of including the steps that concrete configuration and pour；When pouring, outer wall of basement corresponding templates
It uses and is not added with using the concreting of addition PNC waterproof material, indoor beam slab and the corresponding template inner cavity of interior wall in inner cavity
The concreting of PNC waterproof material；
(5) demoulding, concrete strength reach 2.5MPa or more, carry out demoulding construction；
In work progress, after outer wall of basement, which is poured, is more than constructor's height to height, when template installation is reinforced, using on ground
Installation platform on the outside of the exterior wall of lower room, operator station carry out upward template installation and are reinforced on operation platform；Construction is flat
Platform structure includes vertically arranged and horizontal interval is arranged in the vertical upright bar of a row between outer wall of basement and foundation pit inner wall, vertically
Being horizontally disposed in upright bar has multiple rows of hyphen bar being intervally arranged along the vertical direction, and hyphen bar one end is weldingly fixed on the ground poured
Lower room exterior wall water-proof bolt outer end, the other end are anchored on foundation pit inner wall, and fastener fixing is used between hyphen bar and vertical upright bar,
Along horizontal direction, vertically overlap joint is provided with the first long transverse lever and the second long transverse lever, the first long transverse lever for every row's hyphen bar upper surface
It is intervally arranged with the second long transverse lever and its length direction is consistent with outer wall of basement length direction, the first long transverse lever and the second long cross
Bar respectively uses fastener fixing between hyphen bar, and the first long transverse lever and the second long transverse lever surface are equipped with bamboo yoke plate.
2. building basement external wall waterproof construction method as described in claim 1, which is characterized in that outer wall of basement and foundation pit
Ground is equipped with support baseboard along the length direction also level of outer wall of basement between inner wall, and support baseboard upper surface is along basement
Exterior wall length direction is arranged at intervals with installation groove, and the vertical upright bar lower end correspondence is plugged in installation groove.
3. building basement external wall waterproof construction method as described in claim 1, which is characterized in that when concrete configures, adopt
It is realized with water-proof concrete configuration device below, including a concrete tank, further includes an agitator, set in agitator
It is equipped with a plastic water bag, plastic water bag upper end opening edge is consistent with agitator upper port edge and is connected, and plastic water bag prolongs
Length after exhibition is equal to or higher than agitator depth, and agitator bottom, which is located at below plastic water bag, is provided with electronic weigher, electricity
Sub- weighing apparatus has a horizontally disposed weighing face for being located at the top and the weighing face is located in the middle part of agitator, on agitator
End side is also provided with and communicated with water inlet pipe outward, and water inlet pipe inner end is sealingly connected to inside plastic water bag, is equipped on water inlet pipe
Water inlet switch valve, agitator lower end side are also provided with and communicated with outlet pipe outward, and outlet pipe inner end is sealingly connected to plastic water bag
Inside, is provided with effluent switch valve and water pump on outlet pipe, and outlet pipe water outlet is connected to entering for agitator tank on concrete tank
Mouthful.
4. building basement external wall waterproof construction method as claimed in claim 3, which is characterized in that water-proof concrete configuration dress
Setting further includes self- poking arrangement, and self- poking arrangement includes a tripod, and tripod includes circumferential equally distributed three
Root foot lever, foot lever inner end are fixedly connected with a motor, foot lever length and the matching of agitator radius and foot lever outer end use curved under being
In the bending being clamped with agitator edge, motor output end is connected with the agitating shaft extended straight down, under agitating shaft
End extends to agitator middle and lower part position and the lower end is provided with stirring blade.
5. building basement external wall waterproof construction method as described in claim 1, which is characterized in that outer wall of basement, which uses, to be divided
Layer stages cycle pours the method for smashing, and exterior wall is peripherally circuited sequentially around perimeter staged and layered and is poured, lift height is not greater than
500mm；Every circle connector must be completed before concrete initial set, turn-take progress in cycles, until exterior wall pours and smashes completion.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811052233.0A CN109056844B (en) | 2017-02-27 | 2017-02-27 | Waterproof construction method for outer wall of basement of building |
| CN201811050769.9A CN109024700A (en) | 2017-02-27 | 2017-02-27 | A kind of water-proof concrete configuration device and its building basement external wall waterproof construction method |
| CN201710107644.4A CN106836310B (en) | 2017-02-27 | 2017-02-27 | A kind of building basement external wall waterproof construction method |
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| CN201710107644.4A CN106836310B (en) | 2017-02-27 | 2017-02-27 | A kind of building basement external wall waterproof construction method |
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| CN201811050769.9A Division CN109024700A (en) | 2017-02-27 | 2017-02-27 | A kind of water-proof concrete configuration device and its building basement external wall waterproof construction method |
| CN201811052233.0A Division CN109056844B (en) | 2017-02-27 | 2017-02-27 | Waterproof construction method for outer wall of basement of building |
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| CN201710107644.4A Active CN106836310B (en) | 2017-02-27 | 2017-02-27 | A kind of building basement external wall waterproof construction method |
| CN201811050769.9A Pending CN109024700A (en) | 2017-02-27 | 2017-02-27 | A kind of water-proof concrete configuration device and its building basement external wall waterproof construction method |
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| CN110847445A (en) * | 2019-11-25 | 2020-02-28 | 苏州二建建筑集团有限公司 | Construction method for integrally forming outer wall and bottom plate of cast-in-place concrete structure of structure |
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| CN109137971A (en) * | 2018-08-28 | 2019-01-04 | 中国化学工程第十四建设有限公司 | The impervious construction technology of underground tank |
| CN113944262B (en) * | 2021-10-21 | 2023-04-14 | 武汉建工集团股份有限公司 | Construction method for foundation-column-free type deep foundation pit and outer wall integrated structure |
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| KR100367108B1 (en) * | 2000-05-12 | 2003-01-09 | 덕창건업 주식회사 | Drainage board and the drainage method using the same |
| CN2846084Y (en) * | 2005-09-14 | 2006-12-13 | 江苏省机电研究所有限公司 | Intelligent external additive producing device suitable for stirring station |
| CN202748112U (en) * | 2012-08-24 | 2013-02-20 | 徐州三信环保科技有限公司 | Slurry water recovery accurate weighing mechanism for mixing plant |
| CN103205979B (en) * | 2013-03-15 | 2015-04-08 | 中国十七冶集团有限公司 | Method for constructing large raft foundation under high temperature |
| CN103321257A (en) * | 2013-06-18 | 2013-09-25 | 浙江海天建设集团有限公司 | Anti-cracking seepage-proof construction method for ultra-long mass concrete structure basement |
| CN203440831U (en) * | 2013-07-25 | 2014-02-19 | 中国建筑土木建设有限公司 | Novel basement concrete shear force wall leads wall structure |
| KR20150076547A (en) * | 2013-12-27 | 2015-07-07 | 한국파라마운트 주식회사 | Bentotex, bentosheet, bentosoil, bentospray, gaslayer, coverlayer, drainlayer, and cleanlayer combined with expansion, bindinggel, hydrogel, and cleanup functions |
| CN204343650U (en) * | 2014-12-11 | 2015-05-20 | 中建四局第六建筑工程有限公司 | Regularization outrigger wall-connecting piece through walls |
| CN104988955B (en) * | 2015-06-11 | 2017-07-07 | 中建一局集团第六建筑有限公司 | Drainage-prevention combined waterproof system for ultra-deep basement and construction method |
| CN205043956U (en) * | 2015-09-14 | 2016-02-24 | 重庆建工新型建材有限公司 | Automatic allotment of concrete additive and interpolation device |
| CN205421912U (en) * | 2016-01-19 | 2016-08-03 | 中铁十二局集团有限公司 | Dish knot formula supports support body double flute steel joist and plays secondary support body system |
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| CN110847445A (en) * | 2019-11-25 | 2020-02-28 | 苏州二建建筑集团有限公司 | Construction method for integrally forming outer wall and bottom plate of cast-in-place concrete structure of structure |
Also Published As
| Publication number | Publication date |
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| CN109024700A (en) | 2018-12-18 |
| CN109056844A (en) | 2018-12-21 |
| CN109056844B (en) | 2020-11-17 |
| CN106836310A (en) | 2017-06-13 |
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