CN101806150A - Effective and safe anti-slide pile construction method - Google Patents

Abstract

The invention relates to an effective and safe anti-slide pile construction method. An anti-slide pile well is divided into two areas with different functions on a plane: a safe area and a work area, wherein the work area is used as a channel of a bucket for lifting slag up and down, an openable movable wooden door is arranged at a wellhead; the safe area is used for pile digging personnel to hide when the slag is lifted, and the wellhead is covered with a protective plate which can not be opened; and with the digging of the pile well, a layer of steel tube shed frame is arranged every 10-15 meters under the wellhead at the safe area and is paved with a sheet to form a safe protective shed. When the pile is dug, the slag is not lifted, the movable wooden door at the work area is closed, the personnel can not be threatened by the falling of stones and debris at the wellhead; and when the slag is lifted, the personnel hide, the movable wooden door at the work area is opened, the bucket ascends and descends freely at the work area, and the personnel can not be hurt by the falling slag blocks and the bucket due to the protection of the safe protective shed. The method has the characteristics of high safety, convenient construction, small pollution, low cost, no influence by weather and the like, and can be widely used in the projects of railway, highway, mine, civil construction and the like.

Description

A kind of anti-slide pile construction method of effective and safe

Technical field the invention belongs to the geotechnical engineering technical field, is specially a kind of job practices that can effectively improve antislide pile hand excavation degree of safety.

The background technology antislide pile is mainly used in the geological hazard control engineerings such as landslide, high slope disease, has now developed into a kind of landslide control engineering measure of maturation.Its main antiskid principle is: the soil arching effect that forms by means of the frictional resistance of the following antiskid section of pile body slide plane and the stake back of the body soil body and stake both sides is to stablize gliding mass, its mechanism of action is to utilize a Thrust of Landslide with lack of equilibrium in the gliding mass that is embedded in the sliding bed to pass in the stable geotechnical body in bottom by antislide pile, thereby stable and balance slope body reaches the purpose of administering landslide, slide slope disease.

At present, the job practices that the stake well of antislide pile adopts hand excavation or controlled blasting to combine more, promptly soil layer and gravelly soil are adopted manually to draw and dig, big boulder and basement rock are carried out loosening blasting with little dose, many boreholes earlier, manually remove again afterwards, repair.Dig manually that stake has that operating procedure is simple, easy construction, do not need heavy mechanical equipment, characteristics such as pollutions is little, cost is low, the easy assurance of pile quality, so in geotechnical engineering side slope that environmental protection (as dust, material stacking etc.), plant equipment etc. all have high requirements, preventing land slide engineering widespread usage.

The process of hand excavation's stake well is a most important link in the antislide pile construction safety control, particularly after the stake well digs certain depth, and dangerous big, many adverse factors such as potential safety hazard is many.The most common security incident has: the fracture of wire rope or pulley, hoist engine control were lost efficacy in the lifting, the clinker in the well-bucket falls, well head stone, foreign material crash in the well, killed, injure by a crashing object the shaft bottom constructor; Also have aboveground constructor to slip to fall, the child in contiguous village, livestock etc. crash in the well.

Summary of the invention the object of the present invention is to provide a kind of anti-slide pile construction method of effective and safe, can improve antislide pile hand excavation's degree of safety, effectively avoids many security incident generations in the antislide pile stake well digging process.

For achieving the above object, the technical scheme taked of the present invention is:

A kind of anti-slide pile construction method of effective and safe is divided into two districts that function is different in the plane with antislide pile stake well, i.e. place of safety and workspace, and the workspace is carried the passage of slag up and down as well-bucket, at well head openable movable timber is installed; Dig a personnel when place of safety is used to carry slag and hide, well head covers with protected apron, can not open; Along with the excavation of stake well, the place of safety from below the well head every 10～15 meters be provided with one deck steel pipe frame, above laying sheet material, constitute safe guarding shed.

The anti-slide pile construction method of above-mentioned effective and safe provided by the invention, when digging, well head movable timber in workspace is closed, and the workman is in underground work, do not worry being subjected to the threat that well head stone, foreign material drop; When well-bucket is carried slag, the movable timber in workspace is opened, the workman hides safe guarding shed following, well-bucket is at the workspace free lifting, even quarrel piece, well-bucket fall, safe guarding shed protection arranged, a personnel is dug in the also unlikely down-hole that injures, be that core content of the present invention can be summarized as: " when digging, do not carry slag, door is closed; When carrying slag, the people hides, and door is opened ", i.e. hand excavation's antislide pile " ten Eight Terms Guidelines " that should adhere to.Generally speaking, this method has that degree of safety height, construction manipulation process are simple, easy construction, need not heavy mechanical equipment, pollute little, characteristics such as cost is low, weatherproof, can effectively avoid in stake well digging process falling rocks, fall the injury to the underground work personnel such as slag, provide new, effective safety prevention measure for manually digging stake, can be widely used in the engineerings such as railway, highway, water power, mine, municipal administration, civilian construction.

Description of drawings 1a: hand excavation's antislide pile safe construction method work profile;

Fig. 1 b: antislide pile well head safe protection canopy is provided with floor map;

Fig. 1 c: hand excavation's antislide pile safe construction method work schematic diagram;

Fig. 2: hand excavation's antislide pile safe construction construction flow chart.

Among the figure: 1. a well, 2. collar set, 3. frame, 4. place of safety, 5. workspace, 6. safe guarding shed, 7. movable timber, 8. upending frame, 9. retaining wall, 10. well-bucket.

The specific embodiment is for further setting forth technological means and the technique effect that the present invention is adopted when realizing predetermined purpose, the invention will be further described below in conjunction with certain landslide control engineering specific embodiment and accompanying drawing:

As Fig. 1 a, Fig. 1 b, Fig. 1 c, shown in Figure 2, the concrete implementation step of technical solution of the present invention is as follows:

1. at first finish row of piles unwrapping wire, cross hairs location, then according to an antislide pile Cross section Design size excavation stake well 1, when stake well 1 dig to 1.0～1.5m dark after, well head casting reinforced concrete collar set 2;

2. after collar set 2 concrete reach design strength, set up safe guarding shed frame 3 at well head with steel pipe, antislide pile stake well 1 is divided into place of safety 4 and workspace 5 in the plane, place of safety 4 usefulness planks set up safe guarding shed 6, plank is not movable, the openable movable timber 7 of two fans is installed in workspace 5 simultaneously, and when movable timber 7 was closed, workspace 5 well heads also were in occlusion state;

3. safe guarding shed 6 and movable timber 7 set up finish after, also must set up a upending frame 8, in order to the dregs (stone) in the lifting stake well at well head;

4. after well head upending frame 8 is set up, the staff continues to excavate antislide pile stake well 1 in the well, the movable timber 7 in workspace this moment is closed, when well-bucket 10 is carried slag, the staff hides earlier at safe guarding shed 6 times in the well, the well head staff opens the movable timber 7 of workspace 5 then, this moment well-bucket 10 can be in the workspace 5 free liftings, the well head staff must fasten seat belts when carrying slag, safety belt one end is fixed on the well head upending frame 8, when the well-bucket 10 of filling dregs (stone) rises to more than the well head, and after not influencing movable timber 7 switch desired heights, the well head staff closes movable timber 7 earlier, carry out deslagging work then, but the still normal operation of staff of down-hole at this moment;

5. timely step pouring stake well retaining wall 9 in stake well 1 digging process, when antislide pile stake well 1 digs to 10～15 meters (digging in the present embodiment to 10 meters) degree of depth, 4 to set up one deck once more safe guarding shed 6 in the place of safety, and frame 3 usefulness steel pipes are set up, and lay bamboo splint or plank in the above;

6. secondary safe guarding shed 6 set up complete after, stake well 1 continues excavation, 3. the staff repeats above-mentioned steps, increase along with stake well 1 cutting depth, set up safe guarding shed 6 (interval is 10 meters in the present embodiment) of one deck every 10 meters, according to ambient conditions in stake well depth, geology and the stake, be aided with ventilation, illumination, waterproof measure in well simultaneously, the design stake is dark until digging.

Facts have proved of 18 antislide piles by certain landslide control engineering, this method is simple, has high degree of safety, effectively avoided in stake well digging process because of falling rocks, fallen the unexpected injury to the underground work personnel such as slag, whole construction course has reached " zero injures and deaths ", provide safe job practices for manually digging stake, in engineerings such as railway, highway, water power, mine, municipal administration, civilian construction, had broad application prospects.

Above, describing specific implementation method of the present invention with reference to the accompanying drawings, is not to be used for limiting the invention.Those skilled in the art can understand, under situation without departing from the spirit and scope of the present invention, under technology enlightenment provided by the present invention, can also make other equivalent variations and improvement to the specific embodiment of the present invention, these changes and replace all drop in claims of the present invention institute restricted portion.

Claims (1)

1. the anti-slide pile construction method of an effective and safe is characterized in that: antislide pile stake well is divided into two districts that function is different in the plane, i.e. and place of safety and workspace, the workspace is carried the passage of slag up and down as well-bucket, at well head openable movable timber is installed; Dig a personnel when place of safety is used to carry slag and hide, well head covers with protected apron; Along with the excavation of stake well, the place of safety from below the well head every 10～15 meters be provided with one deck steel pipe frame, above laying sheet material, constitute safe guarding shed.

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