CN204919632U - Open caisson frictional resistance meter - Google Patents

Open caisson frictional resistance meter Download PDF

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Publication number
CN204919632U
CN204919632U CN201520550785.XU CN201520550785U CN204919632U CN 204919632 U CN204919632 U CN 204919632U CN 201520550785 U CN201520550785 U CN 201520550785U CN 204919632 U CN204919632 U CN 204919632U
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China
Prior art keywords
power transmission
steel plate
billet
bloom
reinforcing bar
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CN201520550785.XU
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Chinese (zh)
Inventor
张群
白兴平
陈树联
段彬
王卫国
菅强
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PowerChina Northwest Engineering Corp Ltd
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PowerChina Northwest Engineering Corp Ltd
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Abstract

The utility model provides an open caisson frictional resistance meter, including outside steel sheet, pass the power steel sheet, the billet, pass the power steel bloom, reinforcing bar and reinforcing bar meter, pass the power steel bloom and pass power steel sheet side middle part and be connected, and the center that passes the power steel bloom and pass the power steel sheet is in same horizontal line, the middle part of billet is equipped with the movable span, it passes this movable span to pass the power steel bloom, and a billet side contacts with biography power steel sheet, the both ends that pass power steel sheet and billet all are connected with outside steel sheet, respectively connect a reinforcing bar on the connecting sleeve at reinforcing bar meter both ends, the reinforcing bar tip of upper end with pass to do all can that the steel bloom is perpendicular to be connected, be connected with the fixed muscle of steel sheet on the outside steel sheet at both ends perpendicularly. The utility model discloses an utilizing reinforcing bar meter to carry out structure and adaptability transformation, forming a frictional resistance that directly is used for the frictional resistance to monitor and count, simple structure saves the roundabout process link, measures more directly, more accurate, and the information feedback is more timely.

Description

A kind of open caisson friction resistance gauge
Technical field
The utility model belongs to open caisson construction monitoring technical field, is specifically related to a kind of open caisson friction resistance gauge.
Background technology
Can caisson wall frictional resistance sink smoothly for open caisson is crucial restraining factors, and the frictional resistance therefore understanding and grasping the borehole wall in work progress at any time has important directive function to construction.
At present, the frictional resistance monitoring of caisson wall mainly contains two kinds of methods: (1) is directly placed earth pressure gauge at caisson wall and recorded soil pressure, and by the method determination borehole wall of laboratory test and the friction factor of soil, by the soil pressure of actual measurement and the calculation of friction coefficient frictional resistance of experiment; (2) on open caisson cross section, arrange that reinforcement stresses takes into account concrete strain meter, by measured data computing nodes axle power, utilize vertical equilibrium equation to extrapolate the size of side friction.But above-mentioned two kinds of methods are all indirect monitoring borehole wall frictional resistances, process is complicated, and influence factor is more.
Therefore, need to study a kind of friction resistance gauge being directly used in frictional resistance monitoring, save process link, make to measure more directly, more accurate, information feed back is more timely.
Utility model content
The purpose of this utility model overcomes existing indirect monitoring borehole wall frictional resistance process complexity, and influence factor is more, the inaccurate problem of measurement result.
For this reason, the utility model provides a kind of open caisson friction resistance gauge, comprise outside steel plate, power transmission steel plate, billet, power transmission bloom, reinforcing bar and reinforcing rib meter, described power transmission bloom is connected with power transmission steel plate side Middle face, and the center of power transmission bloom and power transmission steel plate is in same level line, the middle part of described billet is provided with movable span, described power transmission bloom is through this movable span, and billet one side contacts with power transmission steel plate, described power transmission steel plate is all connected with outside steel plate with the two ends of billet, each connection reinforcing bar on the branch sleeve at described reinforcing rib meter two ends, the end reinforced of described upper end is connected with power transmission bloom is vertical, the outside steel plate at described two ends is vertically connected with Interal fixation muscle.
The contact surface of above-mentioned power transmission steel plate and billet scribbles butter.
Above-mentioned power transmission steel plate and billet both ends pore filling lightweight foamed plastics.
The filling porous foam of movable span and butter between above-mentioned power transmission bloom and billet.
Above-mentioned reinforcing bar and reinforcing rib meter outer wrap have laminated plastics cloth.
The end reinforced of above-mentioned lower end is elbow structure.
Above-mentioned power transmission steel plate is one side checkered steel plate, and patterned surface is native stone rubbing surface.
The beneficial effects of the utility model: this open caisson friction resistance gauge that the utility model provides utilizes reinforcing rib meter to carry out structure and adaptability reform, form a kind of friction resistance gauge being directly used in frictional resistance monitoring, structure is simple, save middle computational process link indirectly, measurement more directly, more accurately, information feed back is more timely.
Below with reference to accompanying drawing, the utility model is described in further details.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model open caisson friction resistance gauge.
Fig. 2 is the A-A generalized section of Fig. 1.
Description of reference numerals: 1, outside steel plate; 2, power transmission steel plate; 3, billet; 4, power transmission steel plate; 5, reinforcing bar; 6, reinforcing rib meter; 7, movable span; 8, Interal fixation muscle; 9, branch sleeve; 10, foamed plastics; 11, Polypropylence Sheet.
Detailed description of the invention
Embodiment 1:
Complicated in order to overcome existing indirect monitoring borehole wall frictional resistance process, influence factor is more, the inaccurate problem of measurement result, present embodiments provide a kind of open caisson friction resistance gauge as depicted in figs. 1 and 2, comprise outside steel plate 1, power transmission steel plate 2, billet 3, power transmission bloom 4, reinforcing bar 5 and reinforcing rib meter 6, described power transmission bloom 4 is connected with power transmission steel plate 2 side Middle face, and power transmission bloom 4 is in same level line with the center of power transmission steel plate 2, the middle part of described billet 3 is provided with movable span 7, described power transmission bloom 4 is through this movable span 7, and billet 3 one side contacts with power transmission steel plate 2, described power transmission steel plate 2 is all connected with outside steel plate 1 with the two ends of billet 3, each connection reinforcing bar 5 on the branch sleeve 9 at described reinforcing rib meter 6 two ends, reinforcing bar 5 end of described upper end is connected with power transmission bloom 4 is vertical, the outside steel plate 1 at described two ends is vertically connected with Interal fixation muscle 8.
In addition, in order to strengthen anchorage effect, reinforcing bar 5 end of described lower end is elbow structure.
Object installed by outside steel plate 1 is to retrain power transmission steel plate 2, the rectangular band orifice plate that outside steel plate 1 is processed by the steel plate that 5mm is thick, and power transmission is even, and inner edge processes inclined-plane at 45 °, requires steel plate to process smooth.
Power transmission steel plate 2 mainly transmits frictional force, and the rectangular steel plates thick by 10mm processes, and weld with power transmission bloom 4 in the middle of rectangular steel plates, power transmission steel plate 2 adopts one side checkered steel plate, and patterned surface is native stone rubbing surface, and steel plate processing wants flush edge smooth, overall leveling.
Billet 3 main support and constraint power transmission steel plate 2, the steel plate thick by 10mm processes, with constrained edge and movable span 7 structure.
Power is mainly passed to reinforcing rib meter 6 by power transmission steel plate 2 by power transmission bloom 4, is the bloom of 40mm × 40mm × 80mm.
Outside frictional resistance is mainly passed to reinforcing rib meter 6 by reinforcing bar 5.
Reinforcing rib meter 6 is mainly used in the frictional resistance that measurement reinforcing bar 5 passes over.
Embodiment 2:
On the basis of embodiment 1, present embodiments provide Embedded installation and the monitoring method of this open caisson friction resistance gauge, its process is as follows:
1) power transmission steel plate 2 is welded with power transmission bloom 4, power transmission steel plate 2 is alignd with power transmission bloom 4 center, during welding, requires smooth, smooth, firm welding.
2) the power transmission steel plate 2 welded and power transmission bloom 4 are sleeved on billet 3, make power transmission bloom 4 through the movable span 7 of billet 3, power transmission steel plate 2 contacts with billet 3 and not relative sliding, and power transmission steel plate 2 is corresponding with billet 3 center.
If both at billet 3 slidably, now, separate by power transmission steel plate 2, at contact bottom surface and side coating butter, then both are combined; Power transmission steel plate 2 after both billets 3 center correspondence is good, power transmission steel plate 2 and billet 3 both ends pore filling lightweight foamed plastics 10.
3) on outside steel plate 1, draw billet 3 outer margin contour line, then billet 3 outer rim is overlapped with outline line, billet 3 end outer rim and outside steel plate 1 are welded together, should notice during welding that welding is smooth, smooth, should not penetrate outside steel plate 1.
4) be connected with reinforcing rib meter 6 two ends by reinforcing bar 5, reinforcing bar 5 upper end is connected with power transmission bloom 4.
5) Interal fixation muscle 8 is welded according to design attitude with outside steel plate 1, should note during welding protecting outside steel plate 1, can not burn-through.
6) by above-mentioned by step 1) ~ 5) friction resistance gauge that assembles is arranged in open caisson outer walls of concrete, Interal fixation muscle 8 is welded with the cage of reinforcement of open caisson, adjustment power transmission bloom 4, be located at the centre position of movable span 7, ensure that power transmission bloom 4 can be freely movable in movable span 7.
7), after the adjustment of power transmission bloom 4 position, power transmission bloom 4 is fixed with rope.
Contact with concrete slurry to prevent the friction resistance gauge assembled, reinforcing rib meter 6 and upper reinforcement 5, power transmission bloom 4, billet 3 are coated with butter, the filling porous foam of movable span 7 and butter between power transmission bloom 4 and billet 3, subsequently movable span 7 and around, reinforcing bar 5 and reinforcing rib meter 6 outer wrap have laminated plastics cloth 11 (general parcel 3 layers).
8) to fill concrete in open caisson, flood reinforcing rib meter 6 when concrete and after vibration compacting, rope fixing for power transmission bloom 4 removed, completes the Embedded installation of friction resistance gauge.
Reject the large aggregate of diameter >=4cm during fill concrete, and avoid carrying out machinery in its periphery 50cm and vibrate; Meanwhile, the protection of the cable of reinforcing rib meter 6 should be noted.
9) Embedded installation of friction resistance gauge complete after in 5 hours survey per hour read the measured value of reinforcing rib meter 6 once, within 6 hours subsequently, survey and read once until prepares sinking, survey per hour twice in sinking watching.
In sum, this open caisson friction resistance gauge that the utility model provides utilizes reinforcing rib meter to carry out structure and adaptability reform, forms a kind of friction resistance gauge being directly used in frictional resistance monitoring, structure is simple, save middle computational process link indirectly, measure more directly, more accurately, information feed back is more timely.
More than exemplifying is only illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, everyly all belongs within protection domain of the present utility model with the same or analogous design of the utility model.

Claims (7)

1. an open caisson friction resistance gauge, it is characterized in that: comprise outside steel plate (1), power transmission steel plate (2), billet (3), power transmission bloom (4), reinforcing bar (5) and reinforcing rib meter (6), described power transmission bloom (4) is connected with power transmission steel plate (2) side Middle face, and power transmission bloom (4) is in same level line with the center of power transmission steel plate (2), the middle part of described billet (3) is provided with movable span (7), described power transmission bloom (4) is through this movable span (7), and billet (3) side contacts with power transmission steel plate (2), described power transmission steel plate (2) is all connected with outside steel plate (1) with the two ends of billet (3), the upper each connection reinforcing bar (5) of branch sleeve (9) at the upper and lower two ends of described reinforcing rib meter (6), described reinforcing bar (5) end be connected with the branch sleeve (9) of reinforcing rib meter (6) upper end is connected with power transmission bloom (4) is vertical, the outside steel plate (1) at described two ends is vertically connected with Interal fixation muscle (8).
2. open caisson friction resistance gauge as claimed in claim 1, is characterized in that: the contact surface of described power transmission steel plate (2) and billet (3) scribbles butter.
3. open caisson friction resistance gauge as claimed in claim 1, is characterized in that: described power transmission steel plate (2) and billet (3) both ends pore filling lightweight foamed plastics (10).
4. open caisson friction resistance gauge as claimed in claim 1, is characterized in that: movable span (7) filling porous foam and butter between described power transmission bloom (4) and billet (3).
5. open caisson friction resistance gauge as claimed in claim 1, is characterized in that: described reinforcing bar (5) and reinforcing rib meter (6) outer wrap have laminated plastics cloth (11).
6. open caisson friction resistance gauge as claimed in claim 1, is characterized in that: described reinforcing bar (5) end be connected with the branch sleeve (9) of reinforcing rib meter (6) lower end is elbow structure.
7. open caisson friction resistance gauge as claimed in claim 1, it is characterized in that: described power transmission steel plate (2) is one side checkered steel plate, patterned surface is native stone rubbing surface.
CN201520550785.XU 2015-07-28 2015-07-28 Open caisson frictional resistance meter Active CN204919632U (en)

Priority Applications (1)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520550785.XU CN204919632U (en) 2015-07-28 2015-07-28 Open caisson frictional resistance meter

Publications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105064416A (en) * 2015-07-28 2015-11-18 中国电建集团西北勘测设计研究院有限公司 Open caisson frictional resistance meter and open caisson construction method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105064416A (en) * 2015-07-28 2015-11-18 中国电建集团西北勘测设计研究院有限公司 Open caisson frictional resistance meter and open caisson construction method

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