CN106149772B - A kind of device of real-time monitoring steel sheet pile enclosure malformation - Google Patents
A kind of device of real-time monitoring steel sheet pile enclosure malformation Download PDFInfo
- Publication number
- CN106149772B CN106149772B CN201610645692.4A CN201610645692A CN106149772B CN 106149772 B CN106149772 B CN 106149772B CN 201610645692 A CN201610645692 A CN 201610645692A CN 106149772 B CN106149772 B CN 106149772B
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- fixed pulley
- sheet pile
- steel sheet
- steel pipe
- steel
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/04—Prefabricated parts, e.g. composite sheet piles made of steel
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention belongs to engineering design field, more particularly to a kind of device of monitoring steel sheet pile enclosure malformation includes the parallel support steel pipe up and down of junction steel plate stake, fixed pulley is equipped in the lower section of upper supporting steel pipe；The fixed pulley includes fixed pulley I and fixed pulley II, and wherein fixed pulley I is mounted on the lower section of upper supporting steel pipe, and fixed pulley II is mounted on the lower section centre position of upper supporting steel pipe, is connected by steel wire rope between fixed pulley I and fixed pulley II；Around sash weight is connected below the steel wire rope of fixed pulley II, sash weight is placed on a dial gauge, and dial gauge connects digital display meter, and digital display meter is positioned in the support being welded below supporting steel pipe；A reinforcing bar is welded on steel sheet pile between upper and lower parallel support steel pipe, the steel wire rope around fixed pulley I is fixed on reinforcing bar.The device of the invention, it is simple in structure, steel sheet pile can be monitored in real time, ensure that the safety of construction.
Description
Technical field
The invention belongs to engineering design field, more particularly to a kind of device of monitoring steel sheet pile enclosure malformation.
Background technology
In the excavation and bracing engineering of deep basal pit, steel sheet pile is due to intensity height, being completely embedded between stake and stake, water proof
Effect is good, repeats the advantages of utilizing, the extensive use in deep basal pit.Deep foundation ditch steel plate pile building enclosure usually has multiple tracks branch
Support, steel sheet-pile deformation is relatively small at supporting steel pipe, but the steel sheet-pile deformation between upper and lower twice supporting steel pipe is larger, holds
Easily there is the phenomenon that " bulge ", leak occurs, cause steel sheet pile enclosure structure overall collapse to collapse when serious, cause engineering thing
Therefore bring threat to the personal safety of construction personnel.
Invention content
The present invention devises a kind of novel device that can monitor steel sheet pile enclosure malformation in real time, has installation side
Just, the advantages of accuracy of reading is high, reusable, at low cost, automatic alarm, really solve steel sheet-pile deformation it is excessive cannot and
The problem of Shi Faxian.
The present invention is to be achieved through the following technical solutions：A kind of device of real-time monitoring steel sheet pile enclosure malformation,
Parallel support steel pipe up and down including junction steel plate stake is equipped with fixed pulley in the lower section of upper supporting steel pipe；The fixed pulley
Device includes fixed pulley I and fixed pulley II, and wherein fixed pulley I is mounted on the lower section of upper supporting steel pipe, and fixed pulley II is mounted on upper
The lower section centre position of supporting steel pipe, is connected between fixed pulley I and fixed pulley II by steel wire rope；Around the steel wire of fixed pulley II
Rope lower section connects sash weight, and sash weight is placed on a dial gauge, and dial gauge connects digital display meter, and digital display meter, which is positioned over, is welded on supporting steel
In support below pipe；A reinforcing bar is welded on steel sheet pile between upper and lower parallel support steel pipe, bypasses the steel wire rope of fixed pulley I
It is fixed on reinforcing bar.
Preferably, the digital display meter has auto-alarm function.
Preferably, the dial gauge is mounted on magnetic force dial framework, and magnetic force dial framework is adsorbed in support.
Preferably, the centre position of steel sheet pile of the reinforcement welding between upper and lower parallel support steel pipe.
The present invention the course of work approximately as：When steel sheet-pile deformation, reinforcing bar is moved with steel sheet pile, and steel wire rope also can be with
Sliding, to drive sash weight to move up or move down, sash weight movement distance be steel wire rope between fixed pulley I and reinforcing bar variation
The distance of amount, sash weight movement is perceived by dial gauge, and numerical value is shown by the digital display meter being connect with dial gauge, this numerical value
The deflection for indirectly reflecting steel sheet pile, there are one-to-one relationships with steel sheet-pile deformation amount, when this numerical value is more than digital display
When the upper limit threshold being arranged in table, construction personnel is reminded in digital display meter alarm.
Beneficial effects of the present invention are：
One, steel sheet pile can be monitored in real time, ensure that the safety of construction.
Two, have and deform excessive auto-alarm function, securely and reliably.
Three, monitoring accuracy is high, dial gauge measurement accuracy 0.01mm, and error is small.
Four, simple in structure, it is at low cost, it is suitable for popularity, can be recycled.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of steel sheet-pile deformation of the present invention.
Fig. 3 is deformation monitoring schematic diagram of the present invention.
In figure, 1 fixed pulley I, 2 steel wire ropes, 3 sash weights, 4 magnetic force dial frameworks, 5 dial gauges, 6 digital display meters, 7 supports, 8 fixed pulleys
II, 9 reinforcing bars, 10 supporting steel pipes, 11 steel sheet piles.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings, but not as a limitation of the invention.The embodiment monitors
The device of steel sheet pile enclosure malformation is a fixed pulley, which includes fixed pulley I 1 and fixed pulley II 8,
This fixed pulley is installed in the lower section of upper supporting steel pipe 10, is specifically：Fixed pulley I 1 is mounted under upper supporting steel pipe 10
Side, fixed pulley II 8 are mounted on the centre position of 10 lower section of upper supporting steel pipe；Pass through steel wire between fixed pulley I 1 and fixed pulley II 8
2 connection of rope；Sash weight 3 is connected around 2 lower section of steel wire rope of fixed pulley II 8, a dial gauge 5 is placed in 3 lower section of sash weight, and sash weight 3 is placed on
On dial gauge 5, dial gauge 5 connects digital display meter 6；A support 7 is welded in the lower section of upper supporting steel pipe 10, digital display meter 6 is positioned over
In support 7.A reinforcing bar is welded on steel sheet pile 11 between upper and lower parallel support steel pipe 10, bypasses the steel wire rope 2 of fixed pulley I 1
It is fixed on reinforcing bar 9.
In view of the deformation of monosymmetric steel sheet pile 11 between the parallel supporting steel pipe 10 of upper and lower twice may be inconsistent,
Therefore this fixed pulley can be all installed on both sides steel sheet pile 11, this is also within the scope of the present invention.Preferably, steel
Muscle 9 is welded on the centre position of the steel sheet pile 11 between upper and lower parallel support steel pipe 10, because the centre position of steel sheet pile 11 is most
Yielding, deflection is also maximum, therefore preferably at this, point is monitored the present embodiment, naturally it is also possible to be selected in other points, exist
In protection scope of the present invention.
Preferably, the dial gauge 5 of the present embodiment is mounted on a special magnetic force dial framework 4, and magnetic force dial framework 4 adsorbs
In support 7.Dial gauge 5 on magnetic force dial framework 4 highly can be adjusted with angle.Preferably, this implementation
The digital display meter 6 of example has auto-alarm function, and the upper limit threshold of 11 maximum deformation quantity of corresponding steel sheet pile can be arranged in digital display meter 6
Value, is more than this 6 automatic alarm of upper limit threshold digital display meter, and digital display apparent source is that 220V alternating currents or 10V DC power supplies can be with.
It is specifically described the setting principle of 6 upper limit threshold of monitoring principle and digital display meter of the present embodiment device below：Attached drawing 1 is
11 undeformed structural schematic diagram of steel sheet pile, attached drawing 2 are 11 deformed structural schematic diagram of steel sheet pile, it is assumed that steel sheet pile 11 is inside
Deformation, the length L of the preceding steel wire rope 2 between fixed pulley I 1 and reinforcing bar 9 of deformation1It indicates, before deformation between fixed pulley I 1 and reinforcing bar 9
Steel wire rope 2 and the angle of horizontal direction indicated with ∠ B；After steel sheet pile 11 is deformed inward, the steel on steel sheet pile 11
Muscle 9 can also move inward therewith, it is assumed that and reinforcing bar 9 deforms anteposition in B points, and C points are located at after deformation, and A points are I 1 point of fixed pulley,
After deformation between fixed pulley I 1 and reinforcing bar 9 steel wire rope 2 length L2It indicates, the front and back steel between fixed pulley I 1 and reinforcing bar 9 of deformation
The variable quantity of cord 2 is usedIt indicates,,It is perceived by dial gauge 5, numerical value is shown by digital display meter 6, specifically
For：After steel sheet pile 11 deforms, steel wire rope 2 can be as reinforcing bar 9 moves inward and slides, therefore is connected to hanging on steel wire rope 2
Hammer 3 can also move down, and the distance that sash weight 3 moves down is the variable quantity of steel wire rope 2 between fixed pulley I 1 and reinforcing bar 9,
This value is perceived by the dial gauge 5 of 3 lower section of sash weight, is then shown by the digital display meter 6 being connect with dial gauge 5；Fixed pulley I
Vertical range between 1 and reinforcing bar 9 is indicated with H；The distance that the deflection of steel sheet pile 11 moves for reinforcing bar 9, that is, between B points and C points
Distance, indicated with D, it is assumed that D is the limiting value of 11 deflection of steel sheet pile, this limiting value is the specified value that provides of existing specification,
For given value, when 11 deflection of steel sheet pile reaches the limit values, the variable quantity of 2 length of corresponding steel wire ropeAs digital display
The upper limit threshold that table 6 is arranged is usedIt indicates, from attached drawing 3：
, can obtain, wherein H, L1For known quantity, can be obtained by measuring, therefore angle
∠ B can be by being calculated.
In △ ABC, according to the triangle cosine law,
,
,
, in formula, H, L1It measures it is found that the existing specifications of D provide
Given value, ∠ B are learnt by calculating, it can thus be concluded that going out the upper limit threshold being arranged in digital display meter 6, this value is inputted in digital display meter 6, whenIt is more thanWhen value, digital display meter 6 is issued by alarm, reminds construction personnel's building enclosure to deform excessive, needs to carry out
Consolidation process, to ensure construction safety.In the present embodiment, it converts 11 deflection of steel sheet pile on the steel wire rope 2 that can be shown at any time
Variable quantity, securely and reliably.
The present embodiment has the beneficial effect that：
One, steel sheet pile 11 can be monitored in real time, ensure that the safety of construction.
Two, have and deform excessive auto-alarm function, securely and reliably.
Three, monitoring accuracy is high, dial gauge measurement accuracy 0.01mm, and error is small.
Four, simple in structure, it is at low cost, it is suitable for popularity, can be recycled.
Embodiment described above, only one kind of the present invention more preferably specific implementation mode, those skilled in the art
The usual variations and alternatives that member carries out within the scope of technical solution of the present invention should be all included within the scope of the present invention.
Claims (3)
1. a kind of device of real-time monitoring steel sheet pile enclosure malformation, including junction steel plate stake（11）Parallel support steel up and down
Pipe（10）, it is characterised in that：In upper supporting steel pipe（10）Lower section be equipped with fixed pulley；The fixed pulley includes fixed sliding
Wheel I（1）With fixed pulley II（8）, wherein fixed pulley I（1）Mounted on upper supporting steel pipe（10）Lower section, fixed pulley II（8）Installation
In upper supporting steel pipe（10）Lower section centre position, fixed pulley I（1）With fixed pulley II（8）Between pass through steel wire rope（2）Connection；
Around fixed pulley II（8）Steel wire rope（2）Lower section connects sash weight（3）, sash weight（3）It is placed on a dial gauge（5）On, dial gauge（5）
Connect digital display meter（6）, digital display meter（6）It is positioned over and is welded on supporting steel pipe（10）The support of lower section（7）On；In upper and lower parallel branch
Support steel pipe（10）Between steel sheet pile（11）One reinforcing bar of upper welding（9）, bypass fixed pulley I（1）Steel wire rope（2）It is fixed on reinforcing bar
（9）On；The digital display meter（6）With auto-alarm function.
2. the device of real-time monitoring steel sheet pile enclosure malformation according to claim 1, it is characterised in that：The percentage
Table（5）Mounted on magnetic force dial framework（4）On, magnetic force dial framework（4）It is adsorbed on support（7）On.
3. the device of real-time monitoring steel sheet pile enclosure malformation according to claim 1 or 2, it is characterised in that：It is described
Reinforcing bar（9）It is welded on parallel support steel pipe up and down（10）Between steel sheet pile（11）Centre position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610645692.4A CN106149772B (en) | 2016-08-09 | 2016-08-09 | A kind of device of real-time monitoring steel sheet pile enclosure malformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610645692.4A CN106149772B (en) | 2016-08-09 | 2016-08-09 | A kind of device of real-time monitoring steel sheet pile enclosure malformation |
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| Publication Number | Publication Date |
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| CN106149772A CN106149772A (en) | 2016-11-23 |
| CN106149772B true CN106149772B (en) | 2018-10-16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109341662A (en) * | 2017-12-26 | 2019-02-15 | 贵州桥梁建设集团有限责任公司 | Pylon deviates automatic measurement alarm system and method |
| CN110082190B (en) * | 2019-04-15 | 2021-09-03 | 河海大学 | Steel sheet pile retaining wall soil pressure testing device and method considering middle main stress influence |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205990628U (en) * | 2016-08-09 | 2017-03-01 | 济南城建集团有限公司 | A kind of device of real-time monitoring steel sheet pile enclosure malformation |
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| JPS5692401A (en) * | 1979-12-26 | 1981-07-27 | Shigeji Kikuchi | Method and tool for measurement of dimension |
| CN204645103U (en) * | 2015-04-02 | 2015-09-16 | 郑州大学 | A kind of device measuring drag-line horizontal displacement of foundation |
| CN204881499U (en) * | 2015-08-19 | 2015-12-16 | 长安大学 | Convergence measurement device of adjustable sensitivity |
| CN205373678U (en) * | 2015-10-15 | 2016-07-06 | 郑州大学 | Vertical displacement's testing arrangement at bottom of bridge |
| CN205120093U (en) * | 2015-10-30 | 2016-03-30 | 浙江大学 | Novel test is subsided on earth's surface device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205990628U (en) * | 2016-08-09 | 2017-03-01 | 济南城建集团有限公司 | A kind of device of real-time monitoring steel sheet pile enclosure malformation |
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