CN104213563B - Stake core artesian water plugging device and construction method thereof - Google Patents

Stake core artesian water plugging device and construction method thereof Download PDF

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Publication number
CN104213563B
CN104213563B CN201410510835.1A CN201410510835A CN104213563B CN 104213563 B CN104213563 B CN 104213563B CN 201410510835 A CN201410510835 A CN 201410510835A CN 104213563 B CN104213563 B CN 104213563B
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China
Prior art keywords
rubber pad
core
diameter
steel pipe
fixed tray
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CN201410510835.1A
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Chinese (zh)
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CN104213563A (en
Inventor
刘洋
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中国建筑一局(集团)有限公司
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Publication of CN104213563A publication Critical patent/CN104213563A/en
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Abstract

A kind of stake core artesian water plugging device and construction method thereof, this plugging device comprises spool steel pipe, ball valve, fixed tray, rubber pad, mobile pallet, screw rod and nut.Spool steel pipe top is connected with ball valve by external screw thread, be welded and fixed in the centre bore inserting fixed tray bottom spool steel pipe, fixed tray is upwards vertically welded with at least three screw rods spaced apart, rubber pad is stacked setting between fixed tray and mobile pallet, compresses rubber pad and pile tube inwall compresses by the nut screwing clamping being enclosed within screw rod top.The present invention utilize law of connected vessels reduce stake core shutoff time hydraulic pressure, shutoff basic building block can be completed smoothly and location is installed under water; Adopt piston shutoff mode, utilize fixing, mobile pallet and bolt to position extruding to rubber pad, increase pad and the frictional force of pile tube inwall, resist hydraulic pressure.The present invention can solve the pile tube seepage because construction or geological conditions cause after tube pile construction completes, and also can be used for the situation of other similar artesian water shutoff.

Description

Stake core artesian water plugging device and construction method thereof

Technical field

A kind of special tool used when the present invention relates to a kind of construction site pile tube artesian water shutoff, and apply the construction method of this instrument.

Background technology

In building operations, generally adopt well casing precipitation to the underground water higher than construction requirement, but construction plant periphery does not meet pipe well or sealing curtain construction requirement, geological conditions causes well casing dewatering effect poor, and overstocked pipe well limits construction.When there being pile tube to pass aquifer, high water level artesian water can be sprayed water from stake core.For shutoff stake core artesian water, complete a core concrete placings, and then complete foundation construction, need a kind of instrument for the shutoff of construction site pile tube water spray fast rainfall.

Summary of the invention

The invention provides a kind of stake core artesian water plugging device and construction method thereof, solve because construction or geological conditions cause the technical problem of pile tube seepage.

The technical solution adopted for the present invention to solve the technical problems is:

This stake core artesian water plugging device, comprises spool steel pipe, ball valve, fixed tray, rubber pad, mobile pallet, screw rod and nut;

Described spool steel pipe top is connected with ball valve by external screw thread, be welded and fixed in the fixed tray centre bore inserting fixed tray bottom spool steel pipe, fixed tray is upwards vertically welded with at least three screw rods spaced apart, the rubber pad centre bore of described rubber pad and rubber shim perimeter hole is each passed through spool steel pipe and screw rod is arranged on above fixed tray, the mobile pallet centre bore of mobile pallet and mobile pallet perimeter hole are each passed through spool steel pipe and screw rod is arranged on above rubber pad, rubber pad is stacked setting between fixed tray and mobile pallet, compress rubber pad and pile tube inwall compresses by the nut screwing clamping being enclosed within screw rod top.

The diameter of described fixed tray and mobile pallet is all determined according to stake core diameter, and the diameter of rubber pad is greater than a core diameter.

Described spool diameter of steel tube is determined according to ball valve diameter, and is not more than 48mm.

Diameter 5 ~ the 10mm larger than stake core diameter of described rubber pad, the rubber pad center-hole diameter of rubber pad is less than spool diameter of steel tube, and the rubber shim perimeter bore dia of rubber pad is less than screw diameter.

The thickness of described rubber pad is 5 ~ 10mm.

Described rubber pad be 10mm thick time, the stacked setting of rubber pad is no less than 10 layers.

Described rubber shim perimeter is with burr.

The construction method of this stake core artesian water plugging device, construction sequence is as follows:

Step one, preparation of construction, factory process spool steel pipe, ball valve, fixed tray, rubber pad, mobile pallet, screw rod and nut, get the T-shaped spanner of corresponding length ready;

Step 2, is welded and fixed pallet and screw rod;

Step 3, installs rubber pad;

Step 4, installs mobile pallet and nut;

Step 5, installs stake core artesian water plugging device

A, mensuration absolute altitude, determine that plugging device installs level altitude;

B, mounting ball valve;

When c, plugging device are installed, ball valve must be opened, and steadily press to after near design elevation, absolute altitude checked by level gauge;

Step 6, compression rubber pad

A, plugging device use T-shaped spanner fastening nut after being placed into design elevation;

Close ball valve after b, fastening nut, cleaning part stake core water, observes stake core leakage scenarios, if seepage seriously, continues fastening nut or changes gasket-type or increase rubber pad;

C, calculating carry out a core concrete construction when closing absolute altitude time t, t > 12 little stake at present core reinforcing cage at the bottom of the infiltration to stake core concrete of ball valve stake core;

Step 7, cleaning plugging device top stake core ponding.

Beneficial effect of the present invention is as follows:

The present invention utilize law of connected vessels reduce stake core shutoff time hydraulic pressure, shutoff basic building block can be completed smoothly and location is installed under water.Adopt piston shutoff mode, utilize fixing, mobile two pallets and bolt to position extruding to rubber pad, increase the frictional force of pad and pile tube inwall, opposing hydraulic pressure.Adopt ball valve switch, both can verify that pad provided frictional force and artesian water hydraulic pressure whether balance between two forces, and can ensure that again inner concrete is constructed, and finally completed construction foundation working.

The present invention has taken into full account the condition such as field condition, geology of building operations; solve that project surrounding building is intensive, deep foundation ditch high water level location; and the location that the geological conditions that aquifer is thinner, top water barrier is thicker causes tube well dewatering effect undesirable; neighboring buildings condition does not meet a difficult problem for sealing curtain or well-points dewatering construction; avoid the interference to surrounding building and raft sheet pile surrounding soil; protect environment, expand the scope of application of deep foundation ditch construction of Static Pressure Pile.

The present invention can solve the pile tube seepage because construction or geological conditions cause after tube pile construction completes, and also can be used for the situation of other similar artesian water shutoff.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the present invention is further described.

Fig. 1 is the structural representation of spool steel pipe.

Fig. 2 is the structural representation of ball valve.

Fig. 3 is the structural representation of screw rod and nut.

Fig. 4 is the structural representation of fixed tray.

Fig. 5 is the structural representation of mobile pallet.

Fig. 6 is the structural representation of rubber pad.

Fig. 7 is the schematic diagram that fixed tray welds with spool steel pipe, screw rod.

Fig. 8 is installation drawing of the present invention.

Fig. 9 is working drawing one of the present invention.

Figure 10 is working drawing two of the present invention.

Figure 11 is working drawing three of the present invention.

Reference numeral: 1-spool steel pipe, 2-ball valve, 3-fixed tray, 3.1-fixed tray centre bore, 4-rubber pad, 4.1-rubber pad centre bore, 4.2-rubber shim perimeter hole, 5-mobile pallet, 5.1-mobile pallet centre bore, 5.2-mobile pallet perimeter hole, 6-screw rod, 7-nut, 8-pile tube, 9-T type spanner, 10-stake core reinforcing cage.

Detailed description of the invention

Embodiment is see shown in Fig. 1-8, and this stake core artesian water plugging device, comprises spool steel pipe 1, ball valve 2, fixed tray 3, rubber pad 4, mobile pallet 5, screw rod 6 and nut 7.

Spool steel pipe 1 top is connected with ball valve 2 by external screw thread, and spool steel pipe 1 diameter is determined according to ball valve 2 diameter, and is not more than 48mm.Be welded and fixed in the fixed tray centre bore 3.1 inserting fixed tray 3 bottom spool steel pipe 1, fixed tray 3 is upwards vertically welded with at least three screw rods 6 spaced apart, the rubber pad centre bore 4.1 of described rubber pad 4 and rubber shim perimeter hole 4.2 are each passed through spool steel pipe 1 and screw rod 6 is arranged on above fixed tray 3, the mobile pallet centre bore 5.1 of mobile pallet 5 and mobile pallet perimeter hole 5.2 are each passed through spool steel pipe 1 and screw rod 6 is arranged on above rubber pad 4, rubber pad 4 is stacked setting between fixed tray 3 and mobile pallet 5, tightened by the nut 7 being enclosed within screw rod 6 top and compress rubber pad 4 and compress with pile tube 8 inwall.

The diameter of fixed tray 3 and mobile pallet 5 is all determined according to stake core diameter.

Diameter 5 ~ the 10mm larger than stake core diameter of rubber pad 4, rubber pad centre bore 4.1 diameter of rubber pad 4 is less than spool steel pipe 1 diameter, and rubber shim perimeter hole 4.2 diameter is less than screw rod 6 diameter 2mm.The thickness of rubber pad 4 is 5 ~ 10mm.Rubber pad 4 be 10mm thick time, the stacked setting of rubber pad is no less than 10 layers.Rubber pad 4 periphery stamp hair ensures that extruding stretching, extension can better shutoff pile tube inwall.

Shown in Fig. 7-11, construction method of the present invention is as follows:

1, preparation of construction

Calculate spool steel pipe 1 length according to construction drawing design, spool steel pipe 1 diameter is determined according to ball valve 2 diameter, and is not more than 48mm, tube head machining screw; According to the processing of stake core diameter fixed tray 3, mobile pallet 5 and rubber pad 4; Get the T-shaped spanner 9 of corresponding length ready.

2, pallet 3 and screw rod 6 is welded and fixed.

3, rubber pad 4 is installed.

(1), rubber pad centre bore 4.1 is slightly less than spool steel pipe, the corresponding screw rod in rubber shim perimeter hole 4.2.

(2), rubber pad is in 3m under artesian head, and rubber pad diameter is greater than core diameter 5mm, 10mm glue gasket of improving people's living condition and is no less than 10 layers.

4, mobile pallet 5, nut 7 are installed.

5, plugging device is installed, shown in Figure 9.

(1), measure absolute altitude, determine that plugging device installs level altitude.

(2), mounting ball valve 2.

(3), plugging device is when installing, and ball valve must be opened, and steadily presses to level gauge after near design elevation and checks absolute altitude.

6, rubber pad 4 is compressed

(1), be placed into use after design elevation and lengthen T-shaped spanner 9 fastening nut 7, shown in Figure 10.

(2), close ball valve after fastening nut, cleaning part stake core water, observes stake core leakage scenarios, if seepage seriously, continues fastening nut or changes gasket-type, increases rubber pad.

(3), calculate and carry out a core concrete construction when closing absolute altitude time t, t > 12 little stake at present core reinforcing cage 10 at the bottom of the infiltration to stake core concrete of ball valve stake core, shown in Figure 11.

7, plugging device top stake core ponding is cleared up.

Claims (7)

1. a stake core artesian water plugging device, is characterized in that: comprise spool steel pipe (1), ball valve (2), fixed tray (3), rubber pad (4), mobile pallet (5), screw rod (6) and nut (7);
Described spool steel pipe (1) top is connected with ball valve (2) by external screw thread, spool steel pipe (1) bottom insert fixed tray (3) fixed tray centre bore (3.1) in and be welded and fixed, fixed tray (3) is upwards vertically welded with at least three screw rods (6) spaced apart, the rubber pad centre bore (4.1) of described rubber pad (4) and rubber shim perimeter hole (4.2) are each passed through spool steel pipe (1) and screw rod (6) is arranged on fixed tray (3) top, the mobile pallet centre bore (5.1) of mobile pallet (5) and mobile pallet perimeter hole (5.2) are each passed through spool steel pipe (1) and screw rod (6) is arranged on rubber pad (4) top, rubber pad (4) stacked setting between fixed tray (3) and mobile pallet (5), tightened by the nut (7) being enclosed within screw rod (6) top and compress rubber pad (4) and compress with pile tube (8) inwall,
The diameter of described fixed tray (3) and mobile pallet (5) is all determined according to stake core diameter, and the diameter of rubber pad (4) is greater than a core diameter.
2. according to claim 1 core artesian water plugging device, is characterized in that: described spool steel pipe (1) diameter is determined according to ball valve (2) diameter, and is not more than 48mm.
3. according to claim 1 core artesian water plugging device, it is characterized in that: the diameter 5 ~ 10mm larger than stake core diameter of described rubber pad (4), rubber pad centre bore (4.1) diameter of rubber pad (4) is less than spool steel pipe (1) diameter, and rubber shim perimeter hole (4.2) diameter of rubber pad (4) is less than screw rod (6) diameter.
4. according to claim 1 core artesian water plugging device, is characterized in that: the thickness of described rubber pad (4) is 5 ~ 10mm.
5. according to claim 1 core artesian water plugging device, is characterized in that: described rubber pad (4) for 10mm thick time, the stacked setting of rubber pad is no less than 10 layers.
6. according to claim 1 core artesian water plugging device, is characterized in that: described rubber pad (4) paripheral zone has burr.
7. the construction method of stake core artesian water plugging device as described in claim 1 ~ 6 any one, is characterized in that construction sequence is as follows:
Step one, preparation of construction, factory process spool steel pipe (1), ball valve (2), fixed tray (3), rubber pad (4), mobile pallet (5), screw rod (6) and nut (7), get the T-shaped spanner (9) of corresponding length ready;
Step 2, is welded and fixed pallet (3) and screw rod (6);
Step 3, installs rubber pad (4);
Step 4, installs mobile pallet (5) and nut (7);
Step 5, installs stake core artesian water plugging device
A, mensuration absolute altitude, determine that plugging device installs level altitude;
B, mounting ball valve (2);
When c, plugging device are installed, ball valve (2) must be opened, and steadily press to after near design elevation, absolute altitude checked by level gauge;
Step 6, compression rubber pad (4)
A, plugging device use T-shaped spanner (9) fastening nut (7) after being placed into design elevation;
B, fastening nut (7) close ball valve (2) afterwards, and cleaning part stake core water, observes stake core leakage scenarios, if seepage seriously, continues fastening nut (7) or changes gasket-type or increase rubber pad (4);
C, calculating carry out a core concrete construction when closing absolute altitude time t, t > 12 little stake at present core reinforcing cage (10) at the bottom of the infiltration to stake core concrete of ball valve (2) stake core;
Step 7, cleaning plugging device top stake core ponding.
CN201410510835.1A 2014-09-29 2014-09-29 Stake core artesian water plugging device and construction method thereof CN104213563B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN104213563B true CN104213563B (en) 2016-01-20

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3541797A (en) * 1967-08-29 1970-11-24 African Explosives & Chem Apparatus for loading boreholes
CN201372765Y (en) * 2009-01-07 2009-12-30 中国石油大学(北京) Testing device of rubber cylinder of packer
CN101914916A (en) * 2010-08-04 2010-12-15 欧阳甘霖 Multi-disk pouring pile one-step molding device and construction method thereof
CN201818276U (en) * 2010-07-07 2011-05-04 上海华群实业股份有限公司 Rubber stopper packer
CN102644284A (en) * 2012-04-11 2012-08-22 沈阳中建东设岩土工程有限公司 Method and device for post grouting in pile bottom

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3541797A (en) * 1967-08-29 1970-11-24 African Explosives & Chem Apparatus for loading boreholes
CN201372765Y (en) * 2009-01-07 2009-12-30 中国石油大学(北京) Testing device of rubber cylinder of packer
CN201818276U (en) * 2010-07-07 2011-05-04 上海华群实业股份有限公司 Rubber stopper packer
CN101914916A (en) * 2010-08-04 2010-12-15 欧阳甘霖 Multi-disk pouring pile one-step molding device and construction method thereof
CN102644284A (en) * 2012-04-11 2012-08-22 沈阳中建东设岩土工程有限公司 Method and device for post grouting in pile bottom

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
桩管成井法施工安全试验研究;龚友成等;《工业安全与环保》;20060531;第32卷(第5期);第43-45页 *

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