CN209082487U - A kind of artificial digging pile retaining wall and its silt and shifting sand leakage-resistant device - Google Patents

Abstract

The utility model discloses a kind of artificial digging pile retaining wall and its silt and shifting sand leakage-resistant devices, belong to construction technology of manual digging pile field.A kind of artificial digging pile retaining wall and its silt and shifting sand leakage-resistant device of the utility model, including impervious barrier and pre support reinforcing bar, the impervious barrier are located at the inside of impervious barrier and are spaced apart along its inner wall around inner wall one week arrangement of hole stake, pre support reinforcing bar.Good filter effect can have using a kind of artificial digging pile retaining wall of the utility model and its silt and shifting sand leakage-resistant device in the construction process, mud drift sand effectively is isolated, prevents from influencing to construct in its access aperture stake.

Description

A kind of artificial digging pile retaining wall and its silt and shifting sand leakage-resistant device

Technical field

The utility model relates to construction technology of manual digging pile fields, use more specifically to a kind of artificial digging pile Retaining wall and its silt and shifting sand leakage-resistant device.

Background technique

Artificial digging pile refers to the concrete-pile with manpower shoveling, cast in situs, the upper surface of stake setting cushion cap, then uses apron piece Drawknot links, and is distributed each uniform force, to support a kind of heavy of whole building and pile foundation construction Pore-forming mode is wanted, has the characteristics that easy for construction, fast speed, need heavy mechanical equipment；And artificial digging pile than Timber, concrete driven pile shock resistance are strong, and punching, impact cone punching, percussive drill punching, abrasion drill machine drill are bored in cost specific impulse Hole, well foundation are saved.

Artificial digging pile be usually applied to geological conditions preferably, underground water is smaller and construction site is larger and construction period Not tight place, traditional artificial digging pile guarantee that pore-forming, forms of protective wall generally use cast-in-place concrete by panelling construction Retaining wall or brick type retaining wall, but often due to some construction sites are limited, hydrogeologic condition is bad, and there are thickness for underground In the quicksand of 6.0m or so, mud, cobble or metalling, and rich groundwater, so that traditional dado structure encounters quicksand, becomes silted up It just can not construct when mud is serious, so that it cannot be guaranteed that artificial digging pile pore-forming, increases construction period and tremendous economic is brought to damage It loses.In addition, surveyed in report on ground, though the construction area has not disclosed the stratum such as mud, quicksand or mud, drifting sand layer disclose, It is very thin, and when practice of construction, there are mud, drifting sand layer or very thick, depth is up to 5~8m.With encountering this stratum in construction When matter hydrologic condition and geological mapping report are not inconsistent, the method for such event is generally handled: by forms of protective wall by concrete guard wall It is changed to steel pile casting retaining wall, but difficulty of construction is larger in the construction process using the method, can neither control caisson well Quality problems, but increase construction cost need to be guaranteed to more preferably solve this problem using a kind of device every mud drift sand Construction safety is gone on smoothly.

Existing Chinese Patent Application No.: 2016204946322, the applying date: on May 27th, 2016, invention and created name are as follows: A kind of caisson, this application discloses a kind of caisson, including retaining wall, retaining wall is made of several retaining wall unit spliceds, often A retaining wall unit includes tension rib and concrete layer, and concrete layer pours on the outside of tension rib, filled with anti-in concrete layer Infiltration layer.This application ensure that the quality of pile foundation to a certain extent, also reach certain filter effect, but this application is only Suitable for the processing to depth direction hole pile wall, processing for radial hole is simultaneously not suitable for, and is also not easy to radial retaining wall It builds.

Utility model content

1. utility model technical problems to be solved

The purpose of the utility model is to overcome filter effect in existing caisson operation process is undesirable, cost is high Deficiency, provide a kind of artificial digging pile retaining wall and its silt and shifting sand leakage-resistant device.This reality is used in the construction process It can have good filter effect with novel artificial digging pile retaining wall and its silt and shifting sand leakage-resistant device, by mud flow Husky effective isolation is got up, and prevents from influencing to construct in its access aperture stake.

2. technical solution

In order to achieve the above objectives, technical solution provided by the utility model are as follows:

A kind of artificial digging pile silt and shifting sand leakage-resistant device of the utility model, it is characterised in that: including impervious barrier With pre support reinforcing bar, the impervious barrier arranges that pre support reinforcing bar is located at the inside of impervious barrier and edge for inner wall one week around hole stake Its inner wall is spaced apart.

Further, the impervious barrier is by straw beam and/or stalk Shu Zucheng.

Further, the straw beam is bundled into beam by straw, and upper, 3~10 heads exist on every beam 3~10 heads Under.

Further, every beam straw beam diameter is 5~20cm.

Further, the diameter of the pre support reinforcing bar is 14~20mm, and length is 1~1.2m.

Further, the bottom end of the pre support reinforcing bar is fixed in the soil layer of lower part, and top protrudes from soil layer top, And its protrusion height is 0.4~0.5m.

Further, the leakage-resistant device is internally provided with suction pump.

A kind of artificial digging pile retaining wall of the utility model, the retaining wall are tubulose knot made of being poured as pea gravel concreten Structure, and it is equipped with above-mentioned artificial digging pile silt and shifting sand leakage-resistant device between hole stake inner wall.

3. beneficial effect

Using technical solution provided by the utility model, compared with prior art, have the following beneficial effects:

(1) a kind of artificial digging pile silt and shifting sand leakage-resistant device of the utility model, by impervious barrier and will pay in advance It protects reinforcing bar and is arranged within inner wall one week around hole stake, can effectively be obstructed silt and shifting sand outside, while construction also being facilitated to carry out, and And the removable shifting of straw beam+reinforcing bar pre support silt and shifting sand leakage-resistant device in the construction process, it is synchronous when convenient for expanding aperture Anti- silt and shifting sand leak device will be protected to expand therewith.

(2) a kind of artificial digging pile silt and shifting sand leakage-resistant device of the utility model, impervious barrier be set as straw or Stalk saves cost, while facilitating materials according to geographical conditions.

(3) straw is bundled into beam, every beam by a kind of artificial digging pile silt and shifting sand leakage-resistant device of the utility model 3~10 heads are upper, and 3~10 heads are placed lower binding is together vertical, and guaranteeing straw beam, rigidity is identical as far as possible up and down, So that straw beam obstructs mud drift sand even density, enhance filter effect.

(4) a kind of artificial digging pile silt and shifting sand leakage-resistant device of the utility model, by the diameter of every beam straw beam Control is in 5~10cm, and when the serious special formation of quicksand, diameter can be 10~20cm, and bunchy placement can increase straw beam convection current The resistance of sand and mud.

(5) a kind of artificial digging pile silt and shifting sand leakage-resistant device of the utility model, pre support bar diameter are set as 14~20mm grows 1~1.2m, fixes 0.5~0.6m, exposed 0.4~0.5m in the soil layer of middle and lower part, and design so both protected The stabilization of lower part soil layer, and increase the rigidity of straw beam.

(6) a kind of artificial digging pile silt and shifting sand leakage-resistant device of the utility model, sets inside leakage-resistant device It is equipped with suction pump, the convenient water come that will infilter in the construction process is taken away in time, facilitates the progress of construction.

(7) a kind of artificial digging pile retaining wall of the utility model, the retaining wall are pipe made of being poured as pea gravel concreten Shape structure, and it is equipped with above-mentioned artificial digging pile silt and shifting sand leakage-resistant device between hole stake inner wall, so as to effective Prevent the access aperture stake such as mud.

Detailed description of the invention

Fig. 1 is the artificial digging pile retaining wall and its silt and shifting sand leakage-resistant device structural schematic diagram of the utility model；

Fig. 2 is the straw beam structural schematic diagram of the utility model.

Label declaration in schematic diagram: 1, impervious barrier；2, pre support reinforcing bar；3, pea gravel concreten.

Specific embodiment

For the content for further appreciating that the utility model, the utility model is made now in conjunction with the drawings and specific embodiments detailed Description.

Embodiment 1

As shown in Figure 1, a kind of artificial digging pile silt and shifting sand leakage-resistant device of the present embodiment, including 1 He of impervious barrier Pre support reinforcing bar 2, impervious barrier 1 arrange that pre support reinforcing bar 2 is spaced apart along 1 inner wall of impervious barrier for inner wall one week around hole stake, and anti- 2 diameter of infiltration layer 1+ pre support reinforcing bar can change according to the expansion of caisson diameter, i.e., need to be gradually expanded during caisson Impervious barrier 1+ pre support reinforcing bar 2 is set to hole stake inner wall by the diameter of borehole, and pre support reinforcing bar 2 is for fixing impervious barrier 1.It is logical It crosses and arranges impervious barrier and pre support reinforcing bar within inner wall one week around hole stake, can effectively obstruct silt and shifting sand outside, simultaneously Also facilitate construction to carry out, and the anti-removable shifting of silt and shifting sand leak device of impervious barrier+reinforcing bar pre support in the construction process, be convenient for Synchronization expands anti-silt and shifting sand leak device therewith when expanding aperture.

Embodiment 2

A kind of artificial digging pile silt and shifting sand leakage-resistant device of the present embodiment, structure substantially with embodiment 1, more into One step, impervious barrier 1 is by straw beam and/or stalk Shu Zucheng；As shown in Fig. 2, straw is bundled into beam, 3 heads of every beam exist On, 3 heads are placed lower binding is together vertical, can also 6 heads of every beam upper, 6 heads are erected together in lower binding To placement；Every beam straw beam diameter is that 5cm or 10cm can increase straw beam diameter when meeting the serious special formation of quicksand For 20cm.Straw is tied in and is bundled into a circle around hole stake placement.On the one hand, it is ensured that rigidity is identical up and down for straw beam, so that resistance It is more preferable every the effect of mud drift sand；On the other hand, materials can be facilitated according to geographical conditions, save cost.

Embodiment 3

A kind of artificial digging pile silt and shifting sand leakage-resistant device of the present embodiment, structure substantially with embodiment 2, more into One step, pre support reinforcing bar 2 is placed in straw beam inside circumference, and a diameter of 15mm, length 1m.On the inside of straw beam The vertical reinforcement being spaced apart is placed, pre support reinforcing bar 2 is fixed on 0.5m in the soil layer of lower part, exposed 0.5m.It designs so both The stabilization of lower part soil layer is protected, and increases the intensity of straw beam and keeps out the ability of silt and shifting sand.

Embodiment 4

The kind artificial digging pile silt and shifting sand leakage-resistant device of the present embodiment, structure is substantially with embodiment 3, more into one Step, be internally provided with suction pump in leakage-resistant device, suction pump be placed on inside leakage-resistant device, can in the construction process by It infilters the water come to take away in time, facilitates the progress of construction.

Embodiment 5

A kind of artificial digging pile retaining wall of the present embodiment, the retaining wall are tubulose knot made of being poured as pea gravel concreten Structure, and it is equipped with the artificial digging pile silt and shifting sand leakage-resistant device in claim 1 between hole stake inner wall, i.e., in microlith Straw beam and/or stalk beam and pre support reinforcing bar are equipped between concrete guard wall and hole stake inner wall.

The hole pile wall height is 1m, and when meeting the special formations such as mud, quicksand, retaining wall hole height can be reduced to 0.5m.It adopts Then gradually expand aperture first in intermediate borehole with the mode of one section borehole of a section, arrives required aperture until digging, then It is further continued for increasing the depth in hole downwards.Cooperation is saved with the anti-silt and shifting sand leak device of the artificial digging pile of the present embodiment Cost improves construction quality, meanwhile, by the anti-silt and shifting sand leak device of the utility model, indirectly improve Construction efficiency.

Its concrete operations process flow is as follows: straw beam bound make first, position excavated by manual work mud, stream among hole Straw beam, reinforcing bar are placed in hole back side by sand；Then machinery is carried out to draw water, by intermediate position pre support cyclization, then around by The big digging mud of flaring, quicksand；Vertical straw beam is placed to hole back side again, vertical reinforcement is placed on the outside of straw beam, circuits sequentially, directly To digging to holes protecting wall stake diameter.It should be noted that gradually placing, removing during aperture is gradually expanded, placing straw beam And reinforcing bar.

Embodiment 6

A kind of artificial digging pile retaining wall of the present embodiment, structure further, work as borehole substantially with embodiment 5 When reaching design lagging pile diameter, retaining wall steel form is placed in the stake of hole, pours retaining wall with pea gravel concreten 3, wherein in concrete Add suitable early strength agent.Retaining wall steel form height is consistent with retaining wall hole height, when pouring retaining wall, is poured using pea gravel concreten Retaining wall is built, and adds suitable early strength agent wherein, to guarantee the intensity of retaining wall, shortens retaining wall setting time, while reducing stream Retaining wall spillage and hole phenomenon caused by water washes away；Retaining wall steel form is placed in the stake of hole, it is convenient along one week placement template of retaining wall It concrete is poured, while also facilitating construction, (general dado template is torn open after construction is completed and concrete reaches intensity Except should concrete perfusion for 24 hours after carry out), dismantle retaining wall steel form, radial hole stake complete, then can carry out depth direction Borehole operation, repeat embodiment of above.

Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing Shown in be also one of the embodiments of the present invention, actual structure is not limited to this.So if this field Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.

Claims (8)

1. a kind of artificial digging pile silt and shifting sand leakage-resistant device, it is characterised in that: including impervious barrier (1) and pre support reinforcing bar (2), the impervious barrier (1) arranges that pre support reinforcing bar (2) is located at the inside of impervious barrier (1) and edge for inner wall one week around hole stake Its inner wall is spaced apart.

2. a kind of artificial digging pile silt and shifting sand leakage-resistant device according to claim 1, it is characterised in that: described Impervious barrier (1) is by straw beam and/or stalk Shu Zucheng.

3. a kind of artificial digging pile silt and shifting sand leakage-resistant device according to claim 2, it is characterised in that: the rice Careless beam is bundled into beam by straw, and 3~10 heads of every beam are upper, and 3~10 heads are under.

4. a kind of artificial digging pile silt and shifting sand leakage-resistant device according to claim 3, it is characterised in that: every beam rice Careless beam diameter is 5~20cm.

5. a kind of artificial digging pile silt and shifting sand leakage-resistant device, feature described in any one of -4 according to claim 1 Be: the diameter of the pre support reinforcing bar (2) is 14~20mm, and length is 1~1.2m.

6. a kind of artificial digging pile silt and shifting sand leakage-resistant device according to claim 5, it is characterised in that: described pre- The bottom end of supporting reinforcing bar (2) is fixed in the soil layer of lower part, and top protrudes from soil layer top, and its protrusion height be 0.4~ 0.5m。

7. a kind of artificial digging pile silt and shifting sand leakage-resistant device, feature described in any one of -4 according to claim 1 It is: is additionally provided with suction pump in the leakage-resistant device.

8. a kind of artificial digging pile retaining wall, it is characterised in that: the retaining wall is tubulose knot made of being poured as pea gravel concreten (3) Structure, and it is equipped with leakage-resistant device of any of claims 1-7 between hole stake inner wall.