CN103821181A

CN103821181A - Basement bottom plate water drainage layer construction method

Info

Publication number: CN103821181A
Application number: CN201410076898.0A
Authority: CN
Inventors: 谢永章; 廖小军; 陆建飞; 赵鸣; 斯勇; 徐晓忠; 陈志远
Original assignee: Zhongtian Construction Group Co Ltd
Current assignee: Zhongtian Construction Group Co Ltd
Priority date: 2014-02-28
Filing date: 2014-02-28
Publication date: 2014-05-28

Abstract

The invention discloses a basement bottom plate water drainage layer construction method. According to the method, a grait layer is paved at the basement bottom layer part, the self discharge function of the grait layer is utilized for realizing the water drainage, the traditional single water blocking mode is broken, water seeped from the outer wall and the bottom plate of the basement is firstly gathered to an anti-seeping wall water drainage ditch and is then gathered to a water collecting well through entering the water drainage layer to flow freely, and finally, the water is pumped and discharged into a municipal pipe network through an automatic water discharge pump. The water drainage layer is used as an isolation layer between the bottom plate structure and a decoration surface layer, seeped water can be effectively guided out, the dryness of the use surface layer is maintained, a good water drainage effect is reached, and the common quality problem of the basement outer wall and bottom plate seepage is effectively solved.

Description

Basement bottom board drainage blanket construction

Technical field

The present invention relates to the construction of basement bottom board drainage blanket.

Background technology

Mention outer wall of basement and base plate waterproof, what first we expected is all kinds of coiled materials, water-repellent paint, these traditional waterproof methods are all the modes that adopts " blocking up ", can not permanent solution leakage problem, cause outer wall of basement and base plate leakage water to remain one of common quality defect, and waterproof roll and waterproof coating are easy to aging, later stage is difficult to keep waterproof effect, and this not environmental protection of class waterproofing materials, using and can discharge noxious material for a long time, very unfavorable to drainage system.

Summary of the invention

Technical problem to be solved by this invention is just to provide basement bottom board drainage blanket construction, can keep for a long time good waterproof effect, and environmental protection.

For solving the problems of the technologies described above, the present invention adopts following technical scheme: basement bottom board drainage blanket construction, is characterized in that:

Step 1, the inwall of the drainage blanket of having constructed lead wall, and leading wall, and burying within the walls φ 100mm drain pipe underground, its two ends parcel grid cloth leading;

Step 2, lays boulder bed to the bottom of drainage blanket, first transports grating cobble to basement with transport vehicle, then is laid by a dead lift, reaches after laying depth, adopts plate vibration machine to vibrate, and makes surfacing;

Step 3 is laid a film separation layer on boulder bed, and film separation layer is made up of a few width strip form films, and the overlap joint between two width films must not be less than 100mm;

Step 4 is laid the φ 10mm reinforcing bar of single-layer bidirectional, with ash cake control concrete absolute altitude on film separation layer;

Step 5, adopts fixed pump disturbing concrete, backing plate under pump line support, and template size must not be less than 500 × 500, waters and smashes according to district location piecemeal, has finally poured into a mould concrete ground surface layer;

Step 6, concrete piecemeal position arranges shrinkage joint, according to diverse location, dissimilar shrinkage joint is set.

Preferably, inwall bottom is done the high impervious concrete of 500mm and is led wall, the foot of a wall portion buries the drain pipe discharge ponding of a diameter 100mm along its length at interval of 2m, inwall adopts air-entrained concrete building block to build by laying bricks or stones, inwall generally only has 200mm apart from outer wall of basement, inwall does not process by outer wall of basement one sidelining wall metope, adopts 1:3 cement mortar to plaster, surface layer brushing moistureproof and mildewproof coating by one, garage inwall metope.

Preferably, under stair startings, set up the high load bearing wall of the thick 200mm of 200mm, the height of the step of guaranteeing after moulding to start to walk.

Preferably, the water of drainage blanket is concentrated and is discharged in collecting well,. before collecting well construction, arrange original joint bar on raft foundation, corrosion joint bar need rust cleaning, height after collecting well height of side wall completes with drainage blanket, concrete slab is identical, inner side to support fixed form, prevents side wall distortion with steel pipe, and collecting well cover plate bed die is established framed bent and supported, direction spacing is all less than 900mm in length and breadth, and collecting well short side direction must not be less than two vertical rods.

Construction Principle of the present invention is the mode that adopts " dredging ", break traditional single " blocking up " water mode, be about to ground storehouse exterior wall and base plate infiltration and be first collected to impervious wall gutter, then enter drainage blanket and freely trickle and be collected to collecting well, be finally pumped to city planting ductwork by float-controlled drainage pump.Drainage blanket, as the separation layer between basement bottom board and concrete ground surface layer, can effectively be derived infiltration, keeps using surface layer dry, has reached good hydrophobic effect, effectively solves the common quality defect of outer wall of basement and base plate leakage.Domestic conventional waterproof construction method has novelty at present.

Accompanying drawing explanation

Below in conjunction with the drawings and specific embodiments, the invention will be further described:

Fig. 1 is the schematic diagram of drainage blanket;

Fig. 2 is the structural representation of whole basement;

Fig. 3 is the structural representation of stairs port place drainage blanket;

Schematic diagram when Fig. 4 is collecting well construction.

The specific embodiment

Of the present inventionly be applicable to industry and the civilian basement engineering that groundwater table is higher, strengthening structure and can save the construction of waterproofing course under the prerequisite of waterproof.

As shown in Figure 1 to Figure 2, drainage blanket 2 of the present invention is located at the upper strata of basement bottom board 1, drainage blanket comprises boulder bed 2, film separation layer 21, steel bar layer 22, and boulder bed 2 adopts grating cobble to lay and forms, laying depth 150mm, hole between grating cobble can effectively be discharged ponding, covers isolated film layer 21 above, can prevent that panel concrete from falling into cobble space, and avoid the erosion of steam to upper strata concrete floor decorative cover, be topmost concrete ground surface layer 23.Ponding in drainage blanket passes through functional in organized water drainage, freely trickle and collect and drain into collecting well 5 by gutter 33, collecting well is around tamped with ramming soil layer 51, and collecting well bottom is concrete cushion 52, when water is fuller in collecting well by the time, carries out pump drainage again by float-controlled drainage pump.This mode has been cancelled the coil waterproof layer of outer wall of basement and basement bottom board, gives full play to the water repelling property of concrete self, and design aspect is controlled and minimizing crack as far as possible, the maintenance of doing over again of avoiding localized seepage's water to cause.Except this structure of basement bottom board drainage blanket, inwall 32 is built in 200m place design apart from outer wall of basement 4 by laying bricks or stones one, the local infiltration of exterior wall is dredged to drainage blanket by built-in pipe, be pooled to again collecting well 5 pump drainages, can keep inwall dry, guarantee that entirely storehouse environment for use is dry, preferably, inwall bottom is done the high impervious concrete of 500mm and is led wall 3, lead the drain pipe 31 that the foot of a wall portion buries a diameter 100mm at interval of 2m along its length and discharge ponding, inwall 32 adopts air-entrained concrete building block to build by laying bricks or stones, inwall generally only has 200mm apart from outer wall of basement, inwall does not process by outer wall of basement one sidelining wall metope, adopt 1:3 cement mortar to plaster by one, garage inwall metope, surface layer brushing moistureproof and mildewproof coating.

Concrete construction method is as follows:

Step 1, the inwall of the drainage blanket of having constructed lead wall, and leading wall, and burying within the walls φ 100mm drain pipe 31 underground leading, its two ends parcel grid cloth 311, drain pipe is arranged one at interval of 2m;

Step 5, adopts fixed pump disturbing concrete, backing plate under pump line support, and template size must not be less than 500mm × 500mm, waters and smashes according to district location piecemeal;

Step 6, concrete piecemeal position arranges shrinkage joint, according to diverse location, dissimilar shrinkage joint is set, wherein more shallow after casting and compacting of concrete 5 days of contracting seam, plate face cutting grooving, embedding silica gel forms; If the concrete pavement side fixed foam plate (cystosepiment is lower than concrete surface 10mm) of having smash is formerly watered at darker elongated shrinkage joint, after both sides casting and compacting of concrete completes 5 days, the thick concrete of cutting the top, shrinkage joint 10mm, last silica gel filleting.

As shown in Figure 3, due to the cause of drainage blanket and construction of concrete face slab, must be considered in construction the height that profile increases when basement stairs, so set up the load bearing wall 24 that the thick 200mm of 200mm is high under stair 6 startings, the height of the step of guaranteeing after moulding to start to walk.

As shown in Figure 4, the water of drainage blanket is concentrated and is discharged into 5 li of collecting wells by gutter 33, before collecting well construction, arrange original joint bar on raft foundation, corrosion joint bar need rust cleaning, height after collecting well height of side wall completes with drainage blanket, concrete ground surface layer is identical, inner side to support fixed form, prevents side wall distortion with steel pipe 54, and collecting well cover plate bed die 53 is established framed bent and supported, direction spacing is all less than 900mm in length and breadth, and collecting well short side direction must not be less than two vertical rods.

Adopt drainage blanket waterproof construction, substitute the waterproof construction of waterproof roll, film, not only greatly simplify construction technology, shorten the duration, and make the subsequent handling such as basement structure, pit backfill can insert in advance construction, and save the maintenance cost of pattern foundation pit supporting structure, reduce construction risk, reduce the difficulty of basement bottom board and outer wall of basement waterproof construction control seepage simultaneously, improved the construction quality of engineering.After engineering comes into operation, avoid the Water Seepage in Basement frequently to reprocess, saved the consumption of maintenance cost of labor and material, for Construction unit and property management unit have brought long-term income.

Claims

1. basement bottom board drainage blanket construction, is characterized in that:

Step 1, the inwall of the drainage blanket of having constructed lead wall, and bury within the walls φ 100mm drain pipe underground, its two ends parcel grid cloth leading;

Step 5, adopts fixed pump disturbing concrete, backing plate under pump line support, and template size must not be less than 500mm × 500mm, waters and smashes according to district location piecemeal, has finally poured into a mould concrete ground surface layer;

2. basement bottom board drainage blanket construction according to claim 1, it is characterized in that: inwall bottom is done the high impervious concrete of 500mm and led wall, the foot of a wall portion buries the drain pipe discharge ponding of a diameter 100mm along its length at interval of 2m, inwall adopts air-entrained concrete building block to build by laying bricks or stones, inwall generally only has 200mm apart from outer wall of basement, inwall does not process by outer wall of basement one sidelining wall metope, adopt 1:3 cement mortar to plaster by one, garage inwall metope, surface layer brushing moistureproof and mildewproof coating.

3. basement bottom board drainage blanket construction according to claim 1, is characterized in that: under stair startings, set up the high load bearing wall of the thick 200mm of 200mm, the height of the step of guaranteeing after moulding to start to walk.

4. basement bottom board drainage blanket construction according to claim 1, it is characterized in that: the water of drainage blanket is concentrated and is discharged in collecting well, before collecting well construction, arrange original joint bar on raft foundation, corrosion joint bar need rust cleaning, height after collecting well height of side wall completes with drainage blanket, concrete slab is identical, inner side with steel pipe to support fixed form, prevent side wall distortion, collecting well cover plate bed die is established framed bent and is supported, direction spacing is all less than 900mm in length and breadth, and collecting well short side direction must not be less than two vertical rods.