CN104234089B - The construction method that a kind of basement guarded drainage combines - Google Patents

Abstract

The invention discloses the construction method that a kind of basement guarded drainage combines, it includes the waterproof hydrophobic of the waterproof hydrophobic of basement bottom board and basement side wall.The construction method that a kind of basement guarded drainage proposed by the invention combines, by the waterproof coiled material under sole plate, hydrophobic, drainage system and rigid waterproof concrete base plate, successfully the percolating water under sole plate is all drained in sump, in sump, water level reaches certain height, will automatically start draining pump draining, ensure that drying regime and the normal usage function on basement floor, and basement sole plate draining system can be inserted into backfill and ground construction after basement construction completes any time, above work is just carried out after being fully completed and check ne-leakage without basement by the time, improve operating efficiency and duration.

Description

A construction method combining waterproofing and drainage in basement

technical field

The invention belongs to the field of waterproofing and drainage in building construction, and in particular relates to a construction method combining waterproofing and drainage in a basement.

Background technique

Leakage of basement exterior walls and floors is one of the common quality problems. At present, the basement waterproof layer is mainly composed of rigid waterproof and flexible waterproof layers. Because the concrete rigid waterproof layer will inevitably produce certain micro-cracks, while the flexible waterproof layer is prone to aging due to weak lap joints, damage, membrane waterproofing and coating waterproofing, it is difficult to maintain the waterproof effect in the later stage, and in fact cannot form a real The enclosure system makes the buildings whose basement depth is below the groundwater level prone to water leakage; the traditional waterproofing methods all adopt the "blocking" method, which cannot permanently solve the water leakage problem, which seriously affects the quality of construction projects and also It brings great inconvenience to the normal use and management of the basement.

Contents of the invention

The technical problem to be solved by the present invention is to provide a construction method combining waterproofing and drainage in basement, which has simple structure, low construction cost, combined waterproofing and drainage, can maintain a good waterproof and hydrophobic effect for a long time, and can reduce the buoyancy and drainage on the foundation floor of the basement at the same time. The water pressure of the side wall of the basement ensures the quality of the construction project.

In order to achieve the above object, the present invention provides a combined construction method for basement waterproofing and drainage, which includes the waterproofing and hydrophobicizing of the basement floor and the waterproofing and hydrophobicizing of the side walls of the basement, and its specific technical scheme is:

1. The waterproof and hydrophobic of the bottom plate, which includes the following construction steps:

(1) On the foundation cushion, lay in sequence from bottom to top: waterproof coiled material → waterproof protective layer, the waterproof protective layer is provided with a drainage slope of 2%, and the drainage slope is drained to the direction of the filter ditch beside the foundation beam → stone filter Water layer → laying non-woven fabric layer → concrete cushion layer → foundation base plate with rigid self-waterproof function;

(2) Set the filter ditch at the edge of the beam to the node of the water collection well, and the construction sequence is as follows: widen the foundation beam earthwork by 600mm on each side → pour the foundation beam cushion → masonry 120 bricks, and apply 1:3 cement Mortar and set arcs at the positive and negative corners of the brick membrane → pour the floor cushion, make arc corners at the junction of the floor cushion and the beam → lay waterproof membranes → waterproof protective layer, and set a drainage slope of 2% , the slope is drained to the water collection well, and two 100mm PVC pipes with a diameter of 100mm are installed at the intersection of the beams, and a galvanized filter is installed along the flow direction of the PVC pipes → masonry 120 beam brick tire film, and 1:3 cement mortar → gravel Water filtration layer → laying of non-woven fabric layer → concrete cushion, pouring rigid self-waterproof bottom plate 7 and foundation beam at the same time;

(3) Complete the construction of the water collection well connected to the foundation floor while pouring the function of the rigid self-waterproof bottom plate and the foundation beam. A water inlet hole is opened on the side of the wall of the water collection well, and a filter is set at the upper end of the water inlet hole. net, an automatic device drainage pump is installed in the water collection well, and the water is discharged through the drainage pipe to the rainwater well connected to the outside through the drainage pump;

2. Waterproof and hydrophobic side walls, which include the following construction steps: Simultaneous construction of the ground beam cushion and the floor cushion → 300mm waterproofing of the coiled material and waterproof connection with the side of the outer protective wall of the concrete wall panel → waterproof protective layer and a drainage slope 2%, the slope is drained to the water collection well → pour the bottom slab together with the foundation beam and the outer wall panel at a height of 500mm at the same time, set the steel plate waterstop on the wall panel, the thickness of the steel plate waterstop belt is 3mm → pour the wall panel concrete → build masonry at a distance of 300mm from the edge of the outer wall 240mm protective wall, plastered with 1:3 cement mortar, the inner and outer corners are made of arc angles, and the water collection well is built at the same time, the distance between the side wall water collection well and the floor water collection well is 50 meters → set a centralized water inlet pipe with a diameter of 100mm at the side of the water collection well, and Install a filter screen at the water inlet → install an automatic drainage pump to drain the water to the nearest rainwater well → protect the outer side of the wall from waterproofing, and reserve 300mm for the upper part to overlap with the roof → 50mm thick extruded board coiled waterproof protective layer →Backfill soil layer by layer, fill the stone filter layer between the basement wall panel and the protective wall (the inner stone filter layer and the outer backfill soil are replaced and backfilled at the same height each time, so as to prevent the protective wall from being squeezed and deformed), make the roof waterproof and Waterproof lap joints on side walls.

A basement waterproof and drainage combined construction method proposed by the present invention successfully drains all the seepage water under the foundation floor to the water collection well through the waterproof, water-repellent, drainage system of the coiled material under the foundation floor and the rigid waterproof concrete floor Inside, whenever the water level in the collection well reaches a certain height, the drainage pump will be automatically started to drain water, ensuring the dry state and normal use of the basement floor, and the basement floor drainage system can be inserted and backfilled at any time after the basement construction is completed And ground construction, without having to wait until the basement is fully completed and checked for no leakage before carrying out the above work, improving work efficiency and construction period.

Description of drawings

Fig. 1 is the schematic diagram of the waterproof and hydrophobic structure of the basement floor that adopts the construction method that a kind of basement waterproof and drainage proposed by the present invention combines;

Fig. 2 is a node schematic diagram of the girder side filter ditch of the basement floor waterproof and hydrophobic foundation shown in Fig. 1;

Fig. 3 is the node schematic diagram at the sump well of the basement waterproof and hydrophobic structure shown in Fig. 1;

Fig. 4 is a schematic diagram of the waterproof and hydrophobic structure of the basement exterior wall.

detailed description

Referring to accompanying drawing, a kind of basement waterproof and drainage combined construction method, it comprises the waterproof and hydrophobic of basement baseboard and the waterproof and hydrophobic of basement side wall, and its specific technical scheme is:

1. The waterproof and hydrophobic of the bottom plate, which includes the following construction steps:

(1) Lay the foundation cushion 1 from bottom to top: waterproof coiled material 2→waterproof protective layer 3, the waterproof protective layer is provided with a drainage slope of 2%, and the drainage slope is discharged to the direction of the foundation beam edge with a drainage ditch→stones Water filter layer 4 → paving non-woven fabric layer 5 → concrete cushion layer 6 → foundation base plate 7 with rigid self-waterproof function;

(2) Set the filter ditch at the edge of the beam to drain to the node of the water collection well. The construction sequence is: digging the earthwork of the foundation beam and widening each side by 600mm → pouring the cushion layer of the foundation beam 11 → building 120 brick membranes 9, and plastering 1: 3 Cement mortar and set arcs at the male and female corners of the 120 brick membrane → pour the floor cushion 1, make arc corners at the junction of the floor cushion and the beam → lay waterproof coiled material 2 → waterproof protective layer 3, and set There is a drainage slope of 2%, and the slope is drained to the water collection well. When encountering the intersection of beams and beams, set two 100mm diameter PVC pipes 8, and install galvanized filter screens on the PVC pipes along the flow direction → masonry 120 beams. Brick tire film 9, wipe 1 : 3 cement mortar → crushed stone water filter layer 4 → laying non-woven fabric layer 5 → concrete cushion 6, pouring rigid self-waterproof bottom plate 7 and foundation beam 10 at the same time;

(3) Complete the construction of the water collection well 13 connected to the foundation floor while pouring the rigid self-waterproof bottom plate function 7 and the foundation beam 10, and have a water inlet 14 on the side of the wall of the water collection well, and in the water inlet A strainer is arranged at the upper end of the hole, and an automatic device drainage pump 21 is housed in the described water collection well, and the water is discharged through the drainage pipe 12 through the drainage pump to the rainwater well connected to the outside;

2. Waterproof and hydrophobic side walls, which include the following construction steps: Simultaneous construction of the ground beam cushion and the floor cushion → waterproofing of the coiled material 2 is reserved for 300mm waterproof connection with the side of the outer protective wall of the concrete wall panel → waterproof protective layer 3 and is equipped with The drainage slope is 2%, and the slope is drained to the water collection well → pour the bottom plate 7 together with the foundation beam 10 and the height of the outer wall plate 500mm15 at the same time, set the steel plate water stop belt 16 on the wall plate, the thickness of the steel plate water stop belt is 3mm → pour the wall plate concrete 17 → distance Build a 240mm protective wall 18 at 300mm from the outer wall, plaster 1:3 cement mortar, make arc angles at the inner and outer corners, and build water collection wells at the same time. Indicate the distance between the two wells as shown in Figure 3 at the same time) 50 meters → set a centralized water inlet pipe with a diameter of 100mm at the side of the water collection well, and set a filter screen at the water inlet → install an automatic drainage pump to drain water to the nearest rainwater well → protection wall Waterproofing of the outer side membrane 2, 300mm on the upper part is reserved for waterproof overlap with the roof → 50mm thick extruded board membrane waterproof protection layer 19 → layered backfilling soil, filling the stone filter layer between the basement wallboard and the protective wall (inner filling The gravel filter layer and the external backfill soil shall be replaced at the same height each time to prevent the protective wall from being squeezed and deformed), and the roof waterproofing and side wall waterproofing shall be overlapped.

A basement waterproof and drainage combined construction method proposed by the present invention successfully drains all the seepage water under the foundation floor to the water collection well through the waterproof, water-repellent, drainage system of the coiled material under the foundation floor and the rigid waterproof concrete floor Inside, whenever the water level in the collection well reaches a certain height, the drainage pump will be automatically started to drain water, ensuring the dry state and normal use of the basement floor, and the basement floor drainage system can be inserted and backfilled at any time after the basement construction is completed And ground construction, without having to wait until the basement is completely completed and checked for no leakage before performing the above work, improving work efficiency and construction period.

Claims (1)

1. the construction method that basement guarded drainage combines, it includes the waterproof hydrophobic of the waterproof hydrophobic of basement bottom board and basement side wall, and its concrete technical scheme is:

One, base plate is waterproof hydrophobic, and it includes following construction procedure:

(1) on blinding layer; lay the most successively: waterproof roll → fish tail and waterproof layer; fish tail and waterproof layer is provided with drainage grade 2%, and drainage grade row is provided with the sole plate of the direction → stone drainage layer → paving nonwoven layer → concrete cushion of water-filtering ditch → have rigid self-waterproof function to foundation beam limit；

(2) water-filtering ditch is set by beam limit and drains into the node of sump, construction order successively is: every for foundation beam earthwork limit is widened 600mm → cast foundation beam bed course → build 120 brick fetal membranes by laying bricks or stones, smear 1:3 cement mortar the external corner at brick fetal membrane, circular arc → bottom board bed course is set at inner corner trim, arc chord angle → laying water-proof coiled material → fish tail and waterproof layer is done in bottom cushion and beam junction, and it is provided with drainage grade 2%, the gradient is arranged to sump, run into and two diameter 100mmPVC pipes are set when Liang Yuliang reports to the leadship after accomplishing a task, at pvc pipe, zinc-plated filter screen → build 120 beam brick fetal membranes by laying bricks or stones is set along current direction, smear 1:3 cement mortar → rubble drainage layer → laying nonwoven layer → concrete cushion, cast rigid self-waterproof base plate (7) and foundation beam simultaneously；

(3) there is rigid self-waterproof base plate function in cast and while foundation beam, complete the construction of sump that is connected with sole plate, inlet opening is had in the side of the described borehole wall that catchments, and filter screen is set in upper end, inlet opening, at described sump built with automatics draining pump, by draining pump, water is discharged by drainpipe the catch-basin connected with outdoor；

nullTwo、Side wall waterproof hydrophobic，It includes following construction procedure: grade beam bed course constructs with bottom cushion simultaneously → waterproof coiled material reserves 300mm and be connected with to protect wall side outside concrete panel waterproof → and fish tail and waterproof layer be provided with drainage grade 2%，Gradient row to the bottom board of sump → simultaneously together with foundation beam and exterior wall plate hight 500mm，At wallboard, steel plate water stopper is set，Steel plate water-stopping tape thickness 3mm → cast R.C. wall board → distance exterior wall limit 300mm builds 240mm by laying bricks or stones and protects wall，Smear 1:3 cement mortar，Arc chord angle is done at negative and positive angle，Build sump by laying bricks or stones simultaneously，The spacing 50 meters of side wall sump and floor sump → on sump limit arranges concentration water inlet pipe diameter 100mm，And filter screen → arrange float-controlled drainage pump is set in water inlet，Water is drained into nearest catch-basin → protection wall lateral surface waterproof coiled material，300mm and waterproof roofing overlap joint → 50mm thickness extruded sheet waterproof coiled material protective layer → back-filling in layers soil are reserved in top、Rockfill in the middle of basement wall slab with protection wall drainage layer、Do waterproof roofing and the waterproof overlap joint of side wall.