CN102535878A - Comprehensive safety protection system for blasting demolishing of high-rising building (structure) - Google Patents
Comprehensive safety protection system for blasting demolishing of high-rising building (structure) Download PDFInfo
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- CN102535878A CN102535878A CN2012100796657A CN201210079665A CN102535878A CN 102535878 A CN102535878 A CN 102535878A CN 2012100796657 A CN2012100796657 A CN 2012100796657A CN 201210079665 A CN201210079665 A CN 201210079665A CN 102535878 A CN102535878 A CN 102535878A
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Abstract
The invention relates to a comprehensive safety protection system for blasting demolishing of a high-rising building (structure). Buffering dams 2 are built on a perpendicular toppling central line 6 of the high-rising building (structure)1 in pile up mode, covering materials 5 are overlaid on the buffering dams 2, sand bags 7 are stacked at the top of the buffering dams 2 and on the toppling side of the high-rising building (structure)1, an auxiliary groove 3 is dug between each two buffering dams 2, damping ditches 4 are dug on two sides of the buffering dams 2, and the damping ditches 4 are communicated with the auxiliary groove 3 at the outmost side in close mode. The comprehensive safety protection system uses buffering dam protection as a main body and the damping ditch protection and the auxiliary grooves as the auxiliary body, can reduce splash and source strength of explosion earthquakes, and effectively controls damage of grounding vibration, splashing and flying dust of the high-rising building (structure).
Description
Technical field
This genus is invented in the engineering explosion technical field, be specifically related to a kind of towering building demolition blasting contact to earth harm effect the comprehensive safety protecting system.
Background technology
Along with the high speed development of China's city process, enterprise of a lot of integrated mill of the expansion of city size must move to the city, and in order to respond the little policy of big pressure in the national energy-saving and emission-reduction, a lot of middle-size and small-size fired power generating unit are closed down, reconstructed simultaneously.In these work, will face the dismounting problem of a large amount of towering building, like chimney stalk, cooling tower and boiler framed bent etc.Because the propelled at high velocity of urbanization; Must be when removing these buildings in the face of many responsible factors such as high building stand in great numbers all around, vehicle is walked, personnel are intensive; And simultaneously; Volume that towering building itself are tall and big and quality make it inevitably will cause powerful impact and energy to lead off toppling over when contacting to earth again, and this again will inevitably be to personnel, building and installations and facilities damage on every side.This harm effect of contacting to earth is controlled effectively has very important significance for theories, practical value and social effect.
Compare with other demolition blasting engineering safety protected workings, the security protection work of towering building is system engineerings.The difficulty of facing is bigger, and multiple demolition blasting secondary disaster produces simultaneously, need comprehensively face.At present domestic a lot of experts all in the case study of carrying out a certain or two targetedly like laying technology of the width that lays material, vibration damping ditch of buffering dykes and dams, buffering dykes and dams or the like; But lack to the main hazard source carry out comprehensive, three-dimensional, comprehensively tackle system; The fragmentation of dust raising phenomenon when particularly contacting to earth to(for) chimney also lacks special counter-measure.
Summary of the invention
The objective of the invention is to the existing towering construction of structures demolition blasting more single deficiency of hazard protective technology of contacting to earth, a kind of comprehensive safety protecting system is provided.
The object of the invention realizes through following technical solution: a kind of towering building demolition blasting comprehensive safety protecting system; Vertically topple on the center line heap at towering building and build the buffering dykes and dams; On the buffering dykes and dams, lay cladding material, topple over side stacking sandbag, between every twice buffering dykes and dams, excavate auxiliary tank at the top and the towering building of buffering dykes and dams; In buffering dykes and dams both sides excavation damping ditch, the closed UNICOM of damping ditch and outermost auxiliary tank.Buffering dykes and dams, damping ditch, auxiliary tank are closed the whole space of collapsing, and have formed integrated protection system.
Said a kind of towering building demolition blasting comprehensive safety protecting system needs water filling in auxiliary tank before the explosion, water higher primary school is in equaling 50 centimetres.
The invention has the beneficial effects as follows: set up with buffering dykes and dams protection and be the main body; Protection of damping ditch and auxiliary tank are the integrated protection system of assisting; Synergy through buffering dykes and dams and auxiliary tank absorbs towering building and topples over the momentum when contacting to earth; Reduce the source intensity of splashing with explosion earthquake; Through the contact to earth propagation of vibration of vibration damping ditch control, strike waters and produce local water curtain control dirt through the towering building energy that contacts to earth, reach the towering building of effective control contact to earth vibration, splash and effect that airborne dust endangers.
Description of drawings
Fig. 1 is this guard system general layout plan.
Fig. 2 is buffering dykes and dams, auxiliary tank excavation vertical view.
Fig. 3 is buffering dykes and dams, auxiliary tank excavation front view.
1. towering building among the figure, 2. buffering dykes and dams, 3. auxiliary tank, 4. vibration damping ditch, 5. cladding material is 6. toppled over center line, 7. sandbag.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is done further explanation.
A kind of towering building demolition blasting comprehensive safety protecting system; Vertically topple on the center line 6 heap at towering building 1 and build buffering dykes and dams 2; On buffering dykes and dams 2, lay cladding material 5, topple over side stacking sandbag 7 at the top and the towering building 1 of buffering dykes and dams 2, excavation auxiliary tank 3 between every twice buffering dykes and dams 2; At buffering dykes and dams 2 both sides excavation damping ditch 4; Damping ditch 4 and outermost auxiliary tank 3 closed UNICOMs, water filling in auxiliary tank 3 before the explosion, water higher primary school is in equaling 50 centimetres.
The concrete steps that this integrated protection system is installed before the towering building demolition blasting are following.
(1) confirms zone of protection according to the size of environment and towering building 1.
(2) according to the height of towering building 1 confirm buffering dykes and dams 2 pile up material, original position, spacing, length, highly, bottom width, length, top width.
In the common engineering instance, chimney topple over center line 6 ± vertically topple over center line 6 heaps in 6 ° of scopes to build buffering dykes and dams 2, buffering dykes and dams 2 materials are coal ash, loess, yellow sand etc.; Go up wide 2m, following wide 6m, long 39m～75m; High 3m, spacing is 17m～20m between dike, contacts to earth and causes splashing of ground rubble for reducing chimney; Can not there be fragment the material the inside that buffering dykes and dams 2 heaps are built, does cladding material 5 with sun-proof net or butting safety net, makes it to form an integral body with the whole buffering dykes and dams 2 that cover of the sun-proof net of 2～5 floor height intensity earlier; Topple over side at top and the chimney of buffering dykes and dams 2 sandbag 7 that the yellow sand tying seals is neatly stacked, lay 3 layers.
Generally topple over 70 meters at the chimney of demolition blasting and rise, begin heap and build buffering dykes and dams 2, heap is built buffering dykes and dams 2 more than 5 layers at least, and for preventing the chimney head preshoot dam, back that contacts to earth, in the dead ahead of collapse direction, outermost is built the anti-scour wall of the wide 6m of high 4m together.
(3) confirm length, the degree of depth of auxiliary tank 3 according to cushioning dykes and dams 2 layouts.
According to the case history in the step 2; The dark auxiliary tank 3 of excavation 2m between every twice buffering dykes and dams 2; Auxiliary tank 3 length are identical with buffering dykes and dams 2 bottom lengths; This auxiliary tank 3 has in a disguised form promoted the height and the width of buffering dykes and dams 2 in real work, build buffering dykes and dams 2 and carry out simultaneously with excavation auxiliary tank 3.
(4) determine whether the water filling and the depth of water in auxiliary tank 3 according to environment, then in a few days ago water filling in auxiliary tank 3 of explosion, water higher primary school is in equaling 50 centimetres as if water filling.
(5) explosion first three day excavation vibration damping ditch 4, confirm vibration damping ditch 4 degree of depth and excavating equipment according to the chimney size and auxiliary tank 3 degree of depth, confirm vibration damping ditch 4 width according to excavating equipment, and vibration damping ditch 4 becomes the U type with outermost auxiliary tank 3 UNICOMs.
According to case history in the step 2,3, at the vibration damping ditch 4 of buffering dykes and dams 2 both sides excavation, 2m is dark, 1.5m is wide, 190m is long.
Protection effect: through the contact to earth effective protection of harm effect comprehensive protection system of towering construction of structures 1 demolition blasting; The splash that contacts to earth is controlled in the 80m scope of toppling over center line 6; 100m place earthquake disaster particle vibration peak velocity is controlled at 2.0cm/s, and the dust controlling of contacting to earth is overhead in toppling over center line 50m scope slowly to dissipate.More traditional preventive means, the control ability (maximum distance) of splashing improves 44%, reduces earthquake disaster 34% ~ 41%, and has filled up simultaneously and toppled over airborne dust and endanger uncontrollable blank.
Claims (2)
1. towering building demolition blasting comprehensive safety protecting system; Vertically topple over the last heap of center line (6) at towering building (1) and build buffering dykes and dams (2); On buffering dykes and dams (2), lay cladding material (5); Top and towering building (1) at buffering dykes and dams (2) are toppled over side stacking sandbag (7); It is characterized in that between every twice buffering dykes and dams (2), excavating auxiliary tank (3) the excavation damping ditch (4) in buffering dykes and dams (2) both sides, damping ditch and the closed UNICOM of outermost auxiliary tank (3).
2. a kind of towering building demolition blasting comprehensive safety protecting as claimed in claim 1 system is characterized in that water filling in auxiliary tank (3) before the explosion, and water higher primary school is in equaling 50 centimetres.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100796657A CN102535878A (en) | 2012-03-23 | 2012-03-23 | Comprehensive safety protection system for blasting demolishing of high-rising building (structure) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100796657A CN102535878A (en) | 2012-03-23 | 2012-03-23 | Comprehensive safety protection system for blasting demolishing of high-rising building (structure) |
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| CN102535878A true CN102535878A (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100796657A Pending CN102535878A (en) | 2012-03-23 | 2012-03-23 | Comprehensive safety protection system for blasting demolishing of high-rising building (structure) |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674830A (en) * | 2016-01-19 | 2016-06-15 | 广东中人集团建设有限公司 | Method for vibration reduction and ground-collision splashing prevention of building blasting demolition |
| CN106839906A (en) * | 2016-12-29 | 2017-06-13 | 四川中鼎***工程有限公司 | The directional blasting demolishment method of armored concrete tubular structure towering structure |
| CN113579465A (en) * | 2021-08-09 | 2021-11-02 | 安徽理工大学 | Explosive welding pollution treatment method |
Citations (4)
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| DE4422657A1 (en) * | 1994-06-28 | 1996-02-01 | Sge Olympia Bau Union Gmbh | Producing compressed digital video sequence from colour film store |
| CN101125335A (en) * | 2007-06-28 | 2008-02-20 | 郑炳旭 | Building blasting integrated dust-removing method |
| CN101314990A (en) * | 2008-07-03 | 2008-12-03 | 武汉***公司 | Method for dynamiting buildings |
| CN202500349U (en) * | 2012-03-23 | 2012-10-24 | 中钢集团武汉安全环保研究院有限公司 | Comprehensive safety protection system for blasting demolition of high building (construction) |
-
2012
- 2012-03-23 CN CN2012100796657A patent/CN102535878A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4422657A1 (en) * | 1994-06-28 | 1996-02-01 | Sge Olympia Bau Union Gmbh | Producing compressed digital video sequence from colour film store |
| CN101125335A (en) * | 2007-06-28 | 2008-02-20 | 郑炳旭 | Building blasting integrated dust-removing method |
| CN101314990A (en) * | 2008-07-03 | 2008-12-03 | 武汉***公司 | Method for dynamiting buildings |
| CN202500349U (en) * | 2012-03-23 | 2012-10-24 | 中钢集团武汉安全环保研究院有限公司 | Comprehensive safety protection system for blasting demolition of high building (construction) |
Non-Patent Citations (3)
| Title |
|---|
| 张世平等: "***拆除高大建筑物产生的震动危害与减震方法", 《太原理工大学学报》, vol. 37, no. 6, 31 December 2006 (2006-12-31) * |
| 李本伟等: "180m高钢筋混凝土烟囱***拆除", 《***》, vol. 28, no. 4, 31 December 2011 (2011-12-31) * |
| 游力克等: "61m高楼定向***拆除", 《***》, vol. 28, no. 1, 31 March 2011 (2011-03-31) * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674830A (en) * | 2016-01-19 | 2016-06-15 | 广东中人集团建设有限公司 | Method for vibration reduction and ground-collision splashing prevention of building blasting demolition |
| CN106839906A (en) * | 2016-12-29 | 2017-06-13 | 四川中鼎***工程有限公司 | The directional blasting demolishment method of armored concrete tubular structure towering structure |
| CN106839906B (en) * | 2016-12-29 | 2018-05-01 | 四川中鼎***工程有限公司 | The directional blasting demolishment method of armored concrete tubular structure towering structure |
| CN113579465A (en) * | 2021-08-09 | 2021-11-02 | 安徽理工大学 | Explosive welding pollution treatment method |
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Application publication date: 20120704 |