CN105019483A - Device for measuring concrete grouting height of tube-sinking cast-in-situ pile in real time and using method of device - Google Patents
Device for measuring concrete grouting height of tube-sinking cast-in-situ pile in real time and using method of device Download PDFInfo
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- CN105019483A CN105019483A CN201510460120.4A CN201510460120A CN105019483A CN 105019483 A CN105019483 A CN 105019483A CN 201510460120 A CN201510460120 A CN 201510460120A CN 105019483 A CN105019483 A CN 105019483A
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Abstract
The invention discloses a device for measuring the concrete grouting height of a tube-sinking cast-in-situ pile in real time and a using method of the device. The device comprises a take-up box, a dividing ruler, a hammer and a fixed pulley. The dividing ruler is wound around the fixed pulley, one end of the dividing ruler is connected with the hammer, and the other end of the dividing ruler is connected with the take-up box. The fixed pulley is fixed to the top of a machine frame. When the device is used, the fixed pulley and the dividing ruler are mounted, the free end of the dividing ruler is connected to the hammer, the initial reading I<0> is recorded at the position of the fixed pulley, the reading I<1> is recorded when the hammer is released to the ground elevation, and the height of the machine frame is I<1>-I<0>; a tube is sunk to the design elevation, the reading I<2> is recorded when the hammer is released to the bottom of the tube, and the tube sinking depth is I<2>-I<1>; the hammer is restored, concrete is grouted, the hammer is released till free falling of the hammer is stopped, the recording I<3> is recorded at the moment, and the concrete grouting height is I<2>-I<3>. According to the device, the tube sinking depth can be tested, the tube sinking perpendicularity can be calibrated, and the grouting height can be measured in real time; operation is convenient, the technique is simple and feasible, and practicability is high.
Description
Technical field
The invention belongs to civil engineering tube-sinking cast-in-situ pile construction field, be specifically related to a kind of real-time measurement apparatus and using method thereof of tube-sinking cast-in-situ pile filling concrete height.
Background technology
Tube-sinking cast-in-situ pile is an important method for the treatment of of soft foundation, by static pressure, hammering or vibration immersed pipe device, stake mould with flap valve shoe or concrete prefabricated pile top is sunk to projected depth, then cage of reinforcement is put into, concreting, vibration pipe-drawing, maintenance is shaping, just forms the different pile body of design and the cast-in-place concrete pile of cross sectional shape.In filling concrete process, influx height is one of important parameter of assessment quality of concreting.Usually bored pile filling concrete height (appointing foundation 2011) is measured by lining rope and weight, but, for tube-sinking cast-in-situ pile, filling process king-pile mould is positioned at the tens of rice in more than ground, traditional lining rope and the method for weight are difficult to realize, differentiate that tube-sinking cast-in-situ pile stake mould inner concrete influx height strikes pipe mainly through hammering, judge according to sound, the method is only applicable to concrete and pours into the situation that absolute altitude has has met or exceeded ground, and differentiate extremely inaccurate, often there is following problem: when penetration concrete surface is lower than ground surface, if No. one time tube drawing height is too much, pile top extracts concrete surface, cause broken pile or constriction, when concrete absolute altitude is close to earth's surface, deficient filling then stake reaches less than design standard, and super filling then wastes material, and after tube drawing, earth's surface trickled down by super concrete of filling with, and forms crust layer, and cleaning pile crown is very difficult.
Summary of the invention
The object of the present invention is to provide a kind of real-time measurement apparatus and using method thereof of tube-sinking cast-in-situ pile filling concrete height, overcome immersed tube bored pile concrete and pour into the problem being highly difficult to measure.
The technical solution realizing the object of the invention is: a kind of real-time measurement apparatus of tube-sinking cast-in-situ pile filling concrete height comprises winding box, rule, weight and fixed pulley, rule one end is connected with weight through fixed pulley, the other end is connected with winding box, and fixed pulley is fixed on a machine frame top; Weight is positioned at directly over tube-sinking cast-in-situ pile stake mould, falls in the stake mould of tube-sinking cast-in-situ pile after making weight drop.
Described winding box is used for folding and unfolding rule.
Described rule is soft, rollable, and self is indeformable under the effect of weight.
Described weight material is concrete, and free subsidence in water is floating in concrete.
Described weight adopts the concrete of perfusion lot number.
A using method for the real-time measurement apparatus of tube-sinking cast-in-situ pile filling concrete height, method step is as follows:
Install fixed pulley after step 1, pile-forming machine perching, fixed pulley is fixed on a machine frame top, does not highly change all the time, proceed to step 2 in measuring process;
The free end of rule in step 2, pull-out winding box, by rule free end through fixed pulley, the free end of rule is connected with weight, adjustment winding box, weight is made to be positioned at directly over tube-sinking cast-in-situ pile stake mould, fall in the stake mould of tube-sinking cast-in-situ pile after ensureing weight drop, this is the initial position a of weight
0, adjust winding box under not changing the prerequisite of weight position, record the initial reading of rule in now winding box
l 0, do not move winding box in follow-up measuring process, proceed to step 3;
Step 3, unwrapping wire are by weight free-falling to ground, and record rule reading is
l 1, then pile driver bracket height is
l 1-
l 0, check with pile driver actual height, according to check result adjustment pile driver posture, proceed to step 4;
Step 4, winding box take-up, make weight reset, and sinks to a mould, and immersed tube stops immersed tube to during design elevation, and let-down weight terminates to free-falling, rule reading in record winding box
l 2, now absolute altitude at the bottom of stake is
l 2-
l 1, contrast check further with the immersed tube degree of depth, judge the verticality of immersed tube according to check result, proceed to step 5;
Step 5, by weight reset, then concrete perfusion, stop perfusion after unwrapping wire terminate to weight free-falling, record winding box in rule reading
l 3, now filling concrete height is
l 2-
l 3, proceed to step 6;
Step 6, repetition step 5, obtain arbitrary perfusion moment concrete influx height, proceed to step 7;
Step 7, after this perfusion completes, move stake position, repeat step 4, the concrete measuring next pile pours into situation.
Compared with prior art, its remarkable advantage is in the present invention: (1) changes direction of measurement by fixed pulley, realizes the real-time measurement of filling concrete height.
(2) when measuring, rule two ends are stressed, tight, and precision is high.
(3) weight adopts perfusion lot number concrete for making, and certainty of measurement is high.
(4) easy to operate, the technology simple possible of device, practical.
(5) not only can measure the tube-sinking cast-in-situ pile filling concrete degree of depth in real time, also can test the immersed tube degree of depth, demarcate immersed tube verticality.
Accompanying drawing explanation
Fig. 1 is the real-time measurement apparatus structural representation of tube-sinking cast-in-situ pile filling concrete height of the present invention.
Fig. 2 is the fundamental diagram of the real-time measurement apparatus of tube-sinking cast-in-situ pile filling concrete height of the present invention, and wherein (a) is initial position, and (b), for demarcating pile foundation height, (c), for demarcating the immersed tube degree of depth, (d) is for measuring filling concrete height.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Composition graphs 1 ~ Fig. 2, a real-time measurement apparatus for tube-sinking cast-in-situ pile filling concrete height, comprises winding box 1, rule 2, weight 3 and fixed pulley 4, and rule 2 one end is connected with weight 3 through fixed pulley 4, the other end is connected with winding box 1, and fixed pulley 4 is fixed on machine frame 5 top; Winding box 1 is for folding and unfolding rule 2, and weight 3 is positioned at directly over tube-sinking cast-in-situ pile stake mould, ensures that weight 3 times backwardnesss fall in the stake mould of tube-sinking cast-in-situ pile.
Rule 2 is soft, rollable, and under the effect of weight 3, self is indeformable, usually can adopt tape measure.
Weight 3 material is concrete, and free subsidence in water is floating in concrete.
Weight 3 can adopt the concrete for making of perfusion lot number, and measurement result is more accurate.
Rule 2 can through fixed pulley 4 to change direction, and during measurement, two ends are stressed, tight, and precision is high.Rule 2 and weight 3 link scale are 0, and the scale of winding box 1 place rule is unwrapping wire length.The present invention not only can measure the filling concrete degree of depth of tube-sinking cast-in-situ pile at any time, also can test the immersed tube degree of depth, demarcates verticality, solves a machine engineering hidden invisible, the problem that filling concrete state cannot be learnt.
Composition graphs 1 and Fig. 2, a kind of using method of real-time measurement apparatus of tube-sinking cast-in-situ pile filling concrete height, method step is as follows:
Install fixed pulley 4 after step 1, pile-forming machine perching, fixed pulley 4 can be adopted to change direction of measurement, and fixed pulley 4 is fixed on a machine frame top, does not highly change all the time, proceed to step 2 in measuring process.
The free end of rule 2 in step 2, pull-out winding box 1, by rule 2 free end through fixed pulley 4.Rule 2 free end is connected with weight 3, and adjustment winding box 1, makes weight 3 be positioned at directly over tube-sinking cast-in-situ pile stake mould, and ensure that weight 3 times backwardnesss fall in the stake mould of tube-sinking cast-in-situ pile, this is the initial position a of weight 3
0(as shown in Figure 1), under not changing the prerequisite of weight 3 position, adjust winding box 1, record the initial reading of rule in now winding box 1
l 0(as shown in Figure 2 a), do not move winding box 1 in follow-up measuring process, proceed to step 3.
Step 3, unwrapping wire are by weight 3 free-falling to ground, and record rule reading is
l 1(as shown in Figure 2 b), then pile driver bracket height is
l 1-
l 0, check with pile driver actual height, according to check result adjustment pile driver posture, proceed to step 4.
Step 4, winding box 1 take-up, make weight 3 reset, sink to a mould, and immersed tube stops immersed tube to during design elevation, and 3 to the free-falling of let-down weight terminates (at the bottom of pipe), rule reading in record winding box 1
l 2(as shown in Figure 2 c), now absolute altitude at the bottom of stake is
l 2-
l 1, contrast check further with the immersed tube degree of depth, judge the verticality of immersed tube according to check result, proceed to step 5.
Step 5, resetted by weight 3, then concrete perfusion, after stopping perfusion, unwrapping wire terminates to weight 3 free-falling, rule reading in record winding box
l 3(as shown in Figure 2 d), now filling concrete height is
l 2-
l 3, proceed to step 6.
Step 6, repetition step 5, obtain arbitrary perfusion moment concrete influx height, proceed to step 7.
Step 7, after this perfusion completes, move stake position, repeat step 4, the concrete measuring next pile pours into situation.
Embodiment 1
A kind of real-time measurement apparatus of tube-sinking cast-in-situ pile filling concrete height, comprise winding box 1, rule 2, weight 3 and 3 fixed pulleys 4,2 fixed pulleys 4, a fixed pulley 4 is fixed on machine frame 5 top, another fixing with stake frame with it, to change the direction of rule 2, rule 2 one end is connected with weight 3 through two fixed pulleys 4 successively, and the other end is connected with winding box 1; Winding box 1 is for folding and unfolding rule 2, and weight 3 is positioned at directly over tube-sinking cast-in-situ pile stake mould, ensures that weight 3 times backwardnesss fall in the stake mould of tube-sinking cast-in-situ pile.
Rule 2 adopts tape measure.
Weight 3 material is the concrete of perfusion lot number, and free subsidence in water is floating in concrete, makes measurement result more accurate.
During measurement, rule 2 two ends are stressed, tight, and precision is high.Rule 2 and weight 3 link scale are 0, and the scale of winding box 1 place rule is unwrapping wire length.
Composition graphs 1 and Fig. 2, a kind of using method of real-time measurement apparatus of tube-sinking cast-in-situ pile filling concrete height, method step is as follows:
Install 2 fixed pulleys, 4, fixed pulley 4 after step 1, pile-forming machine perching respectively and be fixed on machine frame 5 top, another is fixed and with it stake frame, does not highly change all the time, proceed to step 2 in measuring process.
The free end of rule 2 in step 2, pull-out winding box 1, by rule 2 free end through fixed pulley 4.Rule 2 free end is connected with weight 3, adjustment winding box 1, weight 3 is made to be positioned at directly over tube-sinking cast-in-situ pile stake mould, ensure that weight 3 times backwardnesss fall in the stake mould of tube-sinking cast-in-situ pile, the initial position of weight 3 be more than nature ground 30 m(as shown in Figure 1), adjust winding box 1 under not changing the prerequisite of weight 3 position, record initial reading 35 m(of rule in now winding box 1 as shown in Figure 2 a), do not move winding box 1 in follow-up measuring process, proceed to step 3.
Step 3, unwrapping wire by weight 3 free-falling to ground, record rule reading be 65 m(as shown in Figure 2 b), then pile driver bracket height is 30 m, is less than pile driver actual height 31 m, illustrates that pile foundation has inclination, need adjust pile foundation posture, then again check.After checking pile foundation posture, proceed to step 4.
Step 4, winding box 1 take-up, weight 3 is resetted, sink to a mould, immersed tube stops immersed tube to during design elevation, and 3 to the free-falling of let-down weight terminates (at the bottom of pipe), and in record winding box 1, rule reading 90 m(as shown in Figure 2 c), now absolute altitude at the bottom of stake is 25 m, coincide with the immersed tube degree of depth 25 m, illustrate that immersed tube verticality meets the demands, proceed to step 5.
Step 5, weight 3 to be resetted, then concrete perfusion, after stopping perfusion, unwrapping wire terminates to weight 3 free-falling, and in record winding box, rule reading 80 m(is as shown in Figure 2 d), now filling concrete height is 10 m, proceeds to step 6.
Step 6, repetition step 5, obtain arbitrary perfusion moment concrete influx height, proceed to step 7.
Step 7, after this perfusion completes, move stake position, repeat step 4, the concrete measuring next pile pours into situation.
The present invention changes direction of measurement by fixed pulley, realizes the real-time measurement of tube-sinking cast-in-situ pile filling concrete height; During measurement, rule two ends are stressed, tight, and precision is high; Weight adopts perfusion lot number concrete for making, and certainty of measurement is high; Device is easy to operate, technology simple possible, practical; Not only can measure the tube-sinking cast-in-situ pile filling concrete degree of depth in real time, also can test the immersed tube degree of depth, demarcate immersed tube verticality, solve stake machine engineering hidden invisible, the problem that filling concrete state cannot be learnt.
Claims (6)
1. the real-time measurement apparatus of a tube-sinking cast-in-situ pile filling concrete height, it is characterized in that: comprise winding box (1), rule (2), weight (3) and fixed pulley (4), rule (2) one end is connected with weight (3) through fixed pulley (4), the other end is connected with winding box (1), and fixed pulley (4) is fixed on machine frame (5) top; Weight (3) is positioned at directly over tube-sinking cast-in-situ pile stake mould, falls in the stake mould of tube-sinking cast-in-situ pile under making weight (3).
2. the real-time measurement apparatus of tube-sinking cast-in-situ pile filling concrete height according to claim 1, is characterized in that: described winding box (1) is for folding and unfolding rule (2).
3. the real-time measurement apparatus of tube-sinking cast-in-situ pile filling concrete height according to claim 1, is characterized in that: described rule (2) is soft, rollable, and self is indeformable under the effect of weight (3).
4. the real-time measurement apparatus of tube-sinking cast-in-situ pile filling concrete height according to claim 1, it is characterized in that: described weight (3) material is concrete, free subsidence in water is floating in concrete.
5. the real-time measurement apparatus of tube-sinking cast-in-situ pile filling concrete height according to claim 4, is characterized in that: described weight (3) adopts the concrete of perfusion lot number.
6., based on a using method for the real-time measurement apparatus of tube-sinking cast-in-situ pile filling concrete height according to claim 1, it is characterized in that, method step is as follows:
Install fixed pulley (4) after step 1, pile-forming machine perching, fixed pulley (4) is fixed on a machine frame top, does not highly change all the time, proceed to step 2 in measuring process;
The free end of rule (2) in step 2, pull-out winding box (1), by rule (2) free end through fixed pulley (4), the free end of rule (2) is connected with weight (3), adjustment winding box (1), weight (3) is made to be positioned at directly over tube-sinking cast-in-situ pile stake mould, fall in the stake mould of tube-sinking cast-in-situ pile under ensureing weight (3), this is the initial position a of weight (3)
0, adjust winding box (1) under not changing the prerequisite of weight (3) position, record the initial reading of now winding box (1) interior rule
l 0, do not move winding box (1) in follow-up measuring process, proceed to step 3;
Step 3, unwrapping wire are by weight (3) free-falling to ground, and record rule reading is
l 1, then pile driver bracket height is
l 1-
l 0, check with pile driver actual height, according to check result adjustment pile driver posture, proceed to step 4;
Step 4, winding box (1) take-up, make weight (3) reset, sink to a mould, and immersed tube stops immersed tube to during design elevation, and let-down weight (3) terminates to free-falling, record winding box (1) interior rule reading
l 2, now absolute altitude at the bottom of stake is
l 2-
l 1, contrast check further with the immersed tube degree of depth, judge the verticality of immersed tube according to check result, proceed to step 5;
Step 5, by weight (3) reset, then concrete perfusion, stop perfusion after unwrapping wire terminate to weight (3) free-falling, record winding box in rule reading
l 3, now filling concrete height is
l 2-
l 3, proceed to step 6;
Step 6, repetition step 5, obtain arbitrary perfusion moment concrete influx height, proceed to step 7;
Step 7, after this perfusion completes, move stake position, repeat step 4, the concrete measuring next pile pours into situation.
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| CN201510460120.4A CN105019483B (en) | 2015-07-30 | 2015-07-30 | The real-time measurement apparatus and its application method of driven cast-in-place pile filling concrete height |
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| CN201510460120.4A CN105019483B (en) | 2015-07-30 | 2015-07-30 | The real-time measurement apparatus and its application method of driven cast-in-place pile filling concrete height |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105649119A (en) * | 2016-02-20 | 2016-06-08 | 彭宝安 | Device and method for measuring depth of punched cast-in-situ pile |
| CN106014386A (en) * | 2016-06-12 | 2016-10-12 | 刘旭玲 | Exploration device used for measuring depth of cast-in-place pile |
| CN106120717A (en) * | 2016-06-28 | 2016-11-16 | 东南大学 | Control modulus stake band pressure balanced pile making method |
| CN109141572A (en) * | 2018-06-25 | 2019-01-04 | 中煤建工集团有限公司 | A kind of bored concrete pile perfusion face height determining device and method |
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| CN204269044U (en) * | 2014-12-16 | 2015-04-15 | 山西华晋岩土工程勘察有限公司 | A kind of priming concrete pile hole depth measurement device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649119A (en) * | 2016-02-20 | 2016-06-08 | 彭宝安 | Device and method for measuring depth of punched cast-in-situ pile |
| CN106014386A (en) * | 2016-06-12 | 2016-10-12 | 刘旭玲 | Exploration device used for measuring depth of cast-in-place pile |
| CN106120717A (en) * | 2016-06-28 | 2016-11-16 | 东南大学 | Control modulus stake band pressure balanced pile making method |
| CN109141572A (en) * | 2018-06-25 | 2019-01-04 | 中煤建工集团有限公司 | A kind of bored concrete pile perfusion face height determining device and method |
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