CN103233693A - Drilling pile foundation secondary hole cleaning device and method - Google Patents

Drilling pile foundation secondary hole cleaning device and method Download PDF

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Publication number
CN103233693A
CN103233693A CN 201310164070 CN201310164070A CN103233693A CN 103233693 A CN103233693 A CN 103233693A CN 201310164070 CN201310164070 CN 201310164070 CN 201310164070 A CN201310164070 A CN 201310164070A CN 103233693 A CN103233693 A CN 103233693A
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hole
pile
connected
water
clean water
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CN 201310164070
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Chinese (zh)
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CN103233693B (en )
Inventor
陈海锋
齐广飞
辛国平
孙旭东
罗庚
罗俊荣
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中铁隧道集团一处有限公司
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Abstract

The invention discloses a drilling pile foundation secondary hole cleaning device which comprises a clean water pressurizer, wherein the clean water pressurizer comprises a pipe body with a sealed top end, two holes are formed on the top wall of the pipe body, upward extending branch pipes are respectively arranged on the holes, one branch pipe is connected with a high pressure air compressor, the other branch pipe is connected with a clean water supply pipe, and the bottom end of the pipe body is connected with a guide pipe of a pile foundation. The invention further provides a hole cleaning method by using the drilling pile foundation secondary hole cleaning device. The hole cleaning method is characterized in that the clean water pressurizer injects clean water and compressed air into the guide pipe, and the clean water can fast reach the hole bottoms of the pile holes and is mixed with sediments to form mud to flow out of the pile holes and flow into a settling pond. The drilling pile foundation secondary hole cleaning device and method can ensure the quality of finished piles and is simple to operate, fast and high in efficiency.

Description

钻孔粧粧基二次清孔装置及清孔方法 Makeup cosmetics based secondary bore hole cleaning hole cleaning apparatus and method

技术领域 FIELD

[0001] 本发明涉及钻孔灌注桩泥浆置换技术,具体涉及一种钻孔桩桩基二次清孔装置及清孔方法。 [0001] The present invention relates to bored mud displacement technology, particularly relates to a pile foundation drilling hole cleaning apparatus and the secondary hole cleaning method.

背景技术 Background technique

[0002] 钻孔桩桩基在钢筋笼下到位后,如果不立即灌注桩基混凝土,桩孔内泥浆中的渣土会再次沉淀,造成桩底沉渣过厚,当桩底沉渣达到一定的厚度会降低桩的承载力,为了保证混凝土灌注的顺利进行,必须进行二次清孔,清孔是抽换原孔内的泥浆,清除孔内砂石沉积物,减小灌注前浆液的相对密度、含砂率等使其符合规定指标。 [0002] Drilled pile foundation reinforcement cage in place, if not immediately yl concrete pile, muck pile mud hole precipitate again, resulting in the bottom sediment too thick pile, when the pile reaches a certain thickness of the bottom sediment will reduce the bearing capacity of the pile, in order to ensure the smooth pouring of concrete, the need for the second hole cleaning, hole cleaning hole is accessible original mud, sand and gravel deposits clear aperture, reducing the relative density of the slurry prior to filling, sand rate, bring it into compliance indicators. 采用传统常规的换浆法进行清孔时,由于清水比重较泥浆小,清水和泥浆的混合速度慢,造成清孔效率低,耗时较长。 When cleaning the hole using conventional commutation conventional slurry method, since the specific gravity of water smaller than the mud, mixed with water and mud slow speed, resulting in low efficiency of hole cleaning, time consuming.

发明内容 SUMMARY

[0003] 本发明的目的在于提供一种效率高、能保证清孔质量满足实际需要的钻孔桩桩基二次清孔装置及利用本装置进行清孔的方法。 [0003] The object of the present invention is to provide one kind of high efficiency, to ensure the quality of real needs clean hole drilled pile based secondary hole cleaning apparatus and method for cleaning the hole using the present apparatus.

[0004] 为达上述目的,本发明提供的钻孔桩桩基二次清孔装置,包括清水加压器,所述清水加压器包括一顶端封闭的管体,并在管体的顶壁上开有两个孔,且每个所述孔上均设置有向上延伸的分管,且其中一个分管与高压空压机相连,另一分管与清水供应管路连接,所述管体的底端与桩基的导管连接。 [0004] To achieve the above object, the secondary pile foundation drilling hole cleaning device according to the present invention, provided, comprising a pressurized water device, the pressurized water comprising a top end closure of the tubular body, and a top wall of the tubular body the two opened holes, and each said aperture is provided with upwardly extending charge, and wherein a charge is connected to the high pressure air compressor, and a further charge of fresh water supply line connected to the bottom end of the tube body connected to the pipe pile.

[0005] 所述导管的下端距桩孔孔底的距离为5〜15cm。 [0005] The distance from the lower end of the conduit pile hole bottom of the hole is 5~15cm.

[0006] 所述管体的直径与导管的内径相适配。 [0006] The diameter of the inner diameter of the catheter tube is adapted.

[0007] 本发明所要解决的另一技术问题,提供一种利用上述钻孔桩桩基二次清孔装置进行清孔的方法,其步骤如下: [0007] The present invention further technical problem to be solved by providing a method for cleaning the hole using the drill hole pile-based secondary cleaning device, comprises the following steps:

[0008] 步骤一、将导管2下降至桩孔I孔底5〜15cm ; [0008] Step a, the catheter 2 is lowered to the bottom of the pile bore hole I 5~15cm;

[0009] 步骤二、将清水加压器安装在导管的上端; [0009] Step two, the pressurized water conduit mounted at the upper end;

[0010] 步骤三、将清水加压器上的一个分管与高压空压机相连,将清水加压器上的另一个分管与清水供应管路相连; [0010] Step three, the charge is connected to a pressurized water with the high pressure air compressor, the other is connected to the water supply line in charge of water on the pressurizer;

[0011] 步骤四、打开清水供应管路的阀门,并启动高压空压机,通过清水加压器向导管内注入清水和压缩空气,使清水能够快速抵达桩孔孔底,并与沉渣混合形成泥浆流出桩孔,进入沉淀池; [0011] Step 4 to open the valve of the water supply line, and start the high-pressure compressor, and compressed air into the water by the pressurizer water guide pipe, so that water can be quickly reach the pile hole bottom of the hole, and mixed to form a slurry with sediment outflow pile hole, into the settling tank;

[0012] 步骤五、待桩孔内的泥浆浓度达到规定指标后,关闭清水供应管路的阀门及高压空压机。 After [0012] Step 5 to be bore pile slurry concentration reaches a predetermined index, a fresh water supply line valve closed and the high pressure compressor.

[0013] 本发明的有益效果是:由于本发明利用清水加压器向导管内注入清水和压缩空气,使导管内的清水液面压力大于导管外的泥浆液面压力,导管内的清水就会快速抵达桩底,使桩底沉渣的扰动速度加快,清水与沉渣快速混合并形成泥浆,随着清水的不断注入,泥浆便会逐渐稀释并排出桩孔,直到泥浆的浓度达到规定标准。 [0013] Advantageous effects of the invention are: Since the present invention utilizes the pressurized water and compressed air is injected into the water guide pipe, so that water level in the conduit is greater than the pressure level of the mud pressure outside the conduit, the inner conduit will quickly water arrival pile bottom, so that the disturbance of the sediment pile bottom accelerated speed, water and sediment rapid mixing to form a slurry and, with continuous injection of water, the slurry will gradually dilute and discharge the pile hole until the concentration of the slurry reaches a predetermined standard. 所以,本发明能够保证成桩的质量,并且操作简单、速度快、效率高。 Therefore, the present invention can ensure the quality of the pile, and the operation is simple, fast, and efficient. 附图说明 BRIEF DESCRIPTION

[0014] 图1是本发明的结构示意图; [0014] FIG. 1 is a structural diagram of the present invention;

[0015] 图2是本发明中清水加压器的结构示意图。 [0015] FIG. 2 is a schematic diagram of a pressurized water filter structure of the present invention.

具体实施方式 detailed description

[0016] 下面结合附图和实施例对本发明作进一步说明: Drawings and embodiments of the present invention will be further described [0016] below with:

[0017] 如图1和图2所示的钻孔桩桩基二次清孔装置,包括清水加压器3,所述清水加压器3包括一顶端封闭的管体3a,并在管体3a的顶壁上开有两个孔,且每个所述孔上均设置有向上延伸的分管3b,且其中一个分管3b与高压空压机4相连,另一分管3b与清水供应管路5连接,所述管体3a的底端与桩基的导管2连接。 [0017] 1-yl and the secondary pile bore hole cleaning apparatus shown in FIG. 2, comprising a pressurized water device 3, the pressurized water 3 includes a top end closure of the tubular body 3a, the tubular body and the top wall 3a of the two opening holes, and each hole is provided with said charge 3b extending upwardly, and wherein the high-pressure compressor 4 is connected to a charge 3b, another charge of water supply line 3b and 5 connection, the bottom end 3a of the tubular body of the catheter 2 is connected pile. 所述导管2的下端距桩孔I孔底的距离为5〜15cm,最好是10cm。 The distance from the lower end of the conduit 2 I pile hole bottom of the hole is 5~15cm, preferably 10cm.

[0018] 如图1所示,利用上述钻孔桩桩基二次清孔装置进行清孔的方法,其步骤如下: [0019] 步骤一、将导管2下降至桩孔I孔底5〜15cm,最好是IOcm ; [0018] As shown in FIG. 1, a clean hole using the drill hole pile-based secondary cleaning apparatus method comprises the following steps: [0019] Step a, the catheter 2 is lowered to the bottom of the hole I pile hole 5~15cm preferably IOCM;

[0020] 步骤二、将清水加压器3安装在导管2的上端; [0020] Step two, the water is pressurized at the upper end 3 of the catheter 2 is mounted;

[0021] 步骤三、将清水加压器3上的一个分管3b与高压空压机4相连,将清水加压器3上的另一个分管3b与清水供应管路5相连; [0021] Step three, a charge of pressurized water on the filter and the high pressure compressor 3 is connected 3b 4, the other is connected to the charge of pressurized water 3 is a fresh water supply line 3b and 5;

[0022] 步骤四、打开清水供应管路5的阀门,并启动高压空压机4,通过清水加压器3向导管2内注入清水和压缩空气,使清水能够快速抵达桩孔I孔底,并与沉渣混合形成泥浆流出桩孔I,进入沉淀池; [0022] Step four, the valve 5 opens a fresh water supply line and starts the high-pressure compressor 4, by a pressurized water 3 Guide tube 2 and compressed air into the water, so that water can be quickly reach the bottom of the hole I pile hole, to form a slurry and mixed with sediment flowing pile I, into the settling tank;

[0023] 步骤五、待桩孔I内的泥浆浓度达到规定指标后,关闭清水供应管路5的阀门及高压空压机4。 After [0023] Step five, the slurry concentration in the pile hole until I reaches the predetermined index, a fresh water supply line valve closed and the high pressure compressor 45.

[0024] 本发明利用清水加压器3向导管2内注入清水和压缩空气,使导管2内的清水液面压力大于导管2外的泥浆液面压力,导管2内的清水就会快速抵达桩底,使桩底沉渣的扰动速度加快,清水与沉渣快速混合并形成泥浆,随着清水的不断注入,泥浆便会逐渐稀释并排出桩孔1,直到泥浆的浓度达到规定标准。 [0024] The present invention utilizes the pressurized water 3 Guide tube 2 and compressed air into the water so that the level of water pressure within the conduit is greater than the mud pressure level of the outer catheter 2, water in the conduit 2 will quickly reach the pile the end of the pile bottom sediment disturbance accelerated speed, water and sediment rapid mixing to form a slurry and, with continuous injection of water, and discharging the slurry will gradually diluted 1 pile hole until the concentration of the slurry reaches a predetermined standard.

Claims (4)

  1. 1.一种钻孔桩桩基二次清孔装置,其特征在于:包括清水加压器(3),所述清水加压器(3)包括一顶端封闭的管体(3a),并在管体(3a)的顶壁上开有两个孔,且每个所述孔上均设置有向上延伸的分管(3b),且其中一个分管(3b)与高压空压机(4)相连,另一分管(3b)与清水供应管路(5)连接,所述管体(3a)的底端与桩基的导管(2)连接。 A pile-based secondary drilling hole cleaning device comprising: a pressurized water (3), the pressurized water (3) comprises a top end closure of the tubular body (. 3A), and top wall of the tubular body (3a) of two opened holes, and each hole is provided with said charge (3b) extending upwardly, and in which (4) is connected to a charge (3b) and the high pressure compressor, another charge of (3b) and a fresh water supply line (5) connected to the bottom end of the pile with a catheter tube (3a) (2) is connected.
  2. 2.根据权利要求1所述的钻孔桩桩基二次清孔装置,其特征在于:所述导管(2)的下端距桩孔(I)孔底的距离为5〜15cm。 2. The secondary cleaning hole bored pile foundation apparatus according to claim 1, wherein: the distance from the pile hole bottom of the hole the lower end of the conduit (2) (I) 5~15cm is.
  3. 3.根据权利要求1或2所述的钻孔桩桩基二次清孔装置,其特征在于:所述管体(3a)的内径等于导管(2)的内径。 The pile-based secondary bore hole cleaning device according to claim 1, wherein: an inner diameter of said tubular body (3a) is equal to the inner diameter of the catheter (2).
  4. 4.一种根据权利要求1所述的钻孔桩桩基二次清孔装置进行清孔的方法,其特征在于,包括以下步骤: 步骤一、将导管(2)下降至桩孔(I)孔底5〜15cm,; 步骤二、将清水加压器(3)安装在导管(2)的上端,; 步骤三、将清水加压器(3)上的一个分管(3b)与高压空压机(4)相连,将清水加压器(3)上的另一个分管(3b)与清水供应管路(5)相连; 步骤四、打开清水供应管路(5)的阀门,并启动高压空压机(4),通过清水加压器(3)向导管(2)内注入清水和压缩空气,使清水能够快速抵达桩孔(I)孔底,并与沉渣混合形成泥浆流出桩孔(I),进入沉淀池; 步骤五、待桩孔(I)内的泥浆浓度达到规定指标后,关闭清水供应管路(5)的阀门及高压空压机(4)。 A pile bore hole based secondary cleaning apparatus according to claim 1, said method of cleaning holes, characterized by comprising the following steps: Step 1, the catheter (2) down to the pile hole (I) step two 5~15cm ,; hole bottom, the pressurized water (3) is mounted at the upper end of the catheter (2); a charge (3b) at step three, the pressurized water (3) and the high pressure pneumatic (4) is connected, the other is connected to charge (3b) on the pressurized water (3) with fresh water supply line (5); step 4 opens a fresh water supply line (5) of the valve, the high pressure air and starts press (4), by means of pressurized water (3) the catheter (2) and compressed air into the water, so that water can be quickly reach the pile hole (I) bottom of the hole, and the mud flowing out of the sediment pile hole formed by mixing (I ), into the settling tank; step five, the slurry concentration in the pile hole (I) to be within specifications, to close water supply line (5) and a valve high pressure air compressor (4).
CN 201310164070 2013-05-08 2013-05-08 Pile-based secondary bore hole cleaning hole cleaning apparatus and method CN103233693B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106120783A (en) * 2016-07-11 2016-11-16 广州市鲁班建筑集团股份有限公司 Reinforcement process method for pile bottom sediment removal of pouring pile

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US4410041A (en) * 1980-03-05 1983-10-18 Shell Oil Company Process for gas-lifting liquid from a well by injecting liquid into the well
US5873420A (en) * 1997-05-27 1999-02-23 Gearhart; Marvin Air and mud control system for underbalanced drilling
US6367566B1 (en) * 1998-02-20 2002-04-09 Gilman A. Hill Down hole, hydrodynamic well control, blowout prevention
US20080302570A1 (en) * 2001-02-15 2008-12-11 Deboer Luc Dual Gradient Drilling Method And Apparatus With An Adjustable Centrifuge
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CN202176308U (en) * 2011-07-04 2012-03-28 周战云 Well mouth tool for flexible inner tube well cementation
CN102465536A (en) * 2010-11-12 2012-05-23 李振远 Construction process for cleaning holes in groove section of anti-seepage wall by air-lift method
CN202767918U (en) * 2012-07-30 2013-03-06 深圳市孺子牛建设工程有限公司 Secondary hole-cleaning device of cast-in-place pile
CN102979469A (en) * 2012-12-20 2013-03-20 广西建工集团第二建筑工程有限责任公司 Secondary hole cleaning method for separating sediment of large-diameter ultra-deep punching pile by sucking slurry in inner air pipe

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Publication number Priority date Publication date Assignee Title
US4060130A (en) * 1976-06-28 1977-11-29 Texaco Trinidad, Inc. Cleanout procedure for well with low bottom hole pressure
US4410041A (en) * 1980-03-05 1983-10-18 Shell Oil Company Process for gas-lifting liquid from a well by injecting liquid into the well
US5873420A (en) * 1997-05-27 1999-02-23 Gearhart; Marvin Air and mud control system for underbalanced drilling
US6367566B1 (en) * 1998-02-20 2002-04-09 Gilman A. Hill Down hole, hydrodynamic well control, blowout prevention
US20080302570A1 (en) * 2001-02-15 2008-12-11 Deboer Luc Dual Gradient Drilling Method And Apparatus With An Adjustable Centrifuge
CN201386550Y (en) * 2009-04-09 2010-01-20 刘晓棠 Mixed gas injection device for heavy oil combustion
CN102465536A (en) * 2010-11-12 2012-05-23 李振远 Construction process for cleaning holes in groove section of anti-seepage wall by air-lift method
CN202176308U (en) * 2011-07-04 2012-03-28 周战云 Well mouth tool for flexible inner tube well cementation
CN202767918U (en) * 2012-07-30 2013-03-06 深圳市孺子牛建设工程有限公司 Secondary hole-cleaning device of cast-in-place pile
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106120783A (en) * 2016-07-11 2016-11-16 广州市鲁班建筑集团股份有限公司 Reinforcement process method for pile bottom sediment removal of pouring pile

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