CN112683121A - Rigid shock absorption equipment for blasting in coastal sludge and laying method thereof - Google Patents
Rigid shock absorption equipment for blasting in coastal sludge and laying method thereof Download PDFInfo
- Publication number
- CN112683121A CN112683121A CN202011535113.3A CN202011535113A CN112683121A CN 112683121 A CN112683121 A CN 112683121A CN 202011535113 A CN202011535113 A CN 202011535113A CN 112683121 A CN112683121 A CN 112683121A
- Authority
- CN
- China
- Prior art keywords
- rigid
- rigid plate
- blasting
- plate
- shock absorption
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005422 blasting Methods 0.000 title claims abstract description 57
- 239000010802 sludge Substances 0.000 title claims abstract description 36
- 230000035939 shock Effects 0.000 title claims abstract description 31
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims description 12
- 238000004880 explosion Methods 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 23
- 239000010959 steel Substances 0.000 claims description 23
- 238000013016 damping Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000009933 burial Methods 0.000 claims description 2
- 239000002360 explosive Substances 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 claims 2
- 238000010276 construction Methods 0.000 abstract description 11
- 241000251468 Actinopterygii Species 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Images
Landscapes
- Revetment (AREA)
Abstract
The invention discloses a rigid shock absorption device for blasting in coastal sludge, which comprises a plurality of rigid plate devices, wherein two side surfaces of a culture area or a building and points at explosion points form a triangle, the plurality of rigid plate devices are arranged in the range of the triangle, the points of the rigid plate devices, which are closest to the explosion points, are horizontal lines, and the horizontal lines are positioned 10CM-100CM outside an extension line of the edge of a roadbed or a dam body. The device reduces the influence of coastal blasting and silt squeezing on buildings of nearby culture areas or industrial and civil use and the like, improves the safety and efficiency of blasting and silt squeezing construction, reduces the possibility of economic disputes caused by blasting and silt squeezing and the damage to fishes and other marine organisms, and effectively reduces the economic loss.
Description
Technical Field
The invention relates to the field of geotechnical engineering and blasting engineering, in particular to blasting rigid shock absorption equipment in coastal sludge, and further relates to a laying method of the blasting rigid shock absorption equipment in the coastal sludge.
Background
The coastal area of China is mainly in a beach or deep silt area, and in the process of carrying out engineering construction in the area, the foundation can be reinforced by adopting a blasting and silt squeezing construction method, so that the method is efficient and economical, and is widely applied. However, with the continuous expansion of the field range of the engineering project, more and more areas such as house buildings, marine culture and the like exist near the coastal blasting and silt squeezing engineering project, and in the blasting and silt squeezing construction process carried out in the areas, attention needs to be paid to the influence of the vibration and the impact caused by blasting on the service performance of the structure, particularly the influence of the impact and the vibration caused by blasting on the survival rate of cultured organisms near a culture area, so that economic loss is caused. At present, in the blasting and silt squeezing project, relevant damping equipment and methods are lacked to protect the fish and other marine organisms in a culture area and the like or the service performance of a nearby industrial civil building from being influenced by impact, vibration and the like caused by blasting.
Disclosure of Invention
The invention aims to solve the technical problem of providing rigid shock absorption equipment for blasting in coastal sludge, which has the advantages of simple structure, convenient operation, strong practicability and wide applicability.
Therefore, the rigid shock absorption equipment for blasting in the coastal sludge provided by the invention comprises a plurality of rigid plate devices, wherein two side surfaces of a culture area or a building and points at the positions of the blasting points form a triangle, the plurality of rigid plate devices are arranged in the range of the triangle, the points of the rigid plate devices, which are closest to the positions of the blasting points, are arrangement horizontal lines, and the horizontal lines are positioned 10CM-100CM away from an extension line of the edge of a roadbed or a dam body.
The invention has simple equipment and convenient operation. The influence of vibration and impact caused by blasting on a culture area or a building can be effectively reduced, and the propagation path and direction of blasting energy are changed. The applicable field range of blasting and silt squeezing operation is enlarged, the influence of blasting on nearby culture areas and buildings is reduced, disputes caused by construction are avoided, and the method has strong practicability and wide applicability.
Drawings
Fig. 1 is a schematic side view of a rigid shock absorbing device for blasting and a blasting point in coastal sludge according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a rigid shock absorbing device for blasting and a blasting point in the coastal sludge shown in FIG. 1;
FIG. 3 is a schematic structural view illustrating an inserted position of the rigid shock absorbing blasting apparatus in the coastal sludge shown in FIG. 1;
FIG. 4 is a schematic structural view of an in-line arrangement of rigid shock absorbing blasting equipment in the coastal sludge provided in FIG. 1;
FIG. 5 is a schematic view illustrating a staggered arrangement of rigid shock absorbing blasting apparatuses in the coastal sludge of FIG. 1;
FIG. 6 is a schematic structural view illustrating an arc arrangement of rigid shock absorbing blasting apparatuses in the coastal sludge of FIG. 1;
fig. 7 is a schematic structural diagram of a rigid shock absorbing device for blasting in coastal sludge according to a second embodiment of the present invention;
FIG. 8 is a schematic cross-sectional view of a rigid plate device of the rigid shock absorbing apparatus for blasting in coastal sludge in FIG. 7;
FIG. 9 is a schematic sectional view illustrating a joint between a bottom rigid plate and a connection steel plate in the rigid shock absorbing device for blasting in the coastal sludge in FIG. 8.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Referring to fig. 1 to 6, an embodiment of the present invention provides a rigid shock absorption device for blasting in coastal sludge, which includes a plurality of rigid plate devices, where the rigid plate device 1 includes a shock absorption rigid plate, the shock absorption rigid plate includes a rigid plate 6 and a first tip 2 fixed below the rigid plate, and a cross section of the first tip 2 is an isosceles triangle. The first pointed end 2 facilitates insertion of the rigid plate device into sludge, and construction is convenient.
The two side faces of the culture area or the building 3 and the point at the position of the explosion point 20 form a triangle ABC, a plurality of rigid plate devices are arranged in the triangle ABC range, the point, closest to the position of the explosion point 20, of each rigid plate device is a layout horizontal line EF4, the layout horizontal line EF4 is located 10CM-100CM outside the extending line of the edge of the roadbed or the dam body 5, and the rigid plate devices 1 are laid on the basis of the layout horizontal line EF 4.
The plurality of rigid plate devices 1 are arranged in a straight line or in a staggered arrangement or in a circular arc arrangement. Different placing forms are adopted to separate and change the propagation path or direction of shock waves and vibration caused by explosion. When a plurality of rigid plate means 1 are arranged in a line, the distance between adjacent rigid plate means 1 is less than 30CM and is distributed on the horizontal line EF 4. When the plurality of rigid plate devices 1 are arranged in a staggered mode, the distance between every two adjacent rigid plate devices 1 in the transverse direction is less than 30CM, and the longitudinal distance is 50CM-100 CM; when the plurality of rigid plate devices 1 are arranged in an arc shape, the rigid plate devices 1 at the two peripheral ends after the arc arrangement are respectively tangent to the positions of the waistlines in the triangular area, the positions of the waistlines in the triangular area are connecting lines between the explosion points 20 and the edge points of the culture area or the building, and the rigid plate device closest to the explosion points is positioned on the EF line 4.
The equipment is simple and the operation is convenient. The influence of vibration and impact caused by blasting on a culture area or a building can be effectively reduced, and the propagation path and direction of blasting energy are changed through the blocking of the rigid plate device. The safety and the efficiency of blasting compaction construction are improved, the applicable field range of blasting compaction operation is enlarged, the influence of blasting on nearby culture areas and buildings is reduced, disputes caused by construction and damage to fishes and other marine organisms are avoided, and the economic loss is effectively reduced. Has strong practicability and wide applicability.
The method for paving the rigid shock absorption device for blasting in the coastal sludge according to claim 1 comprises the following steps:
(1) the mounting position of the rigid-plate device 1 is determined,
the marginal points of two side surfaces of the culture area or the building 3 and the point at the position of the explosion point 20 form a triangular ABC area, and the position which is 10-100CM away from the extension line of the edge of the roadbed or the dam body 5 in the triangular ABC area is a horizontal line EF4 for arranging the rigid plate device;
(2) the rigid-plate device 1 is prepared,
the width of the rigid plate device 1 is 1/2-1/30 of the arrangement level EF, and the height of the rigid plate is 0.2-1.1 times of the explosion burial depth H.
(3) The rigid-plate device 1 is mounted,
uniformly inserting a plurality of rigid plate bodies on a horizontal line EF4 or above an EF line 4, wherein the inserting depth of the rigid plate bodies is 0.6-0.9 times of the total height of the rigid plates, the length of the sludge leaking surface of the rigid plate device is ensured to be 0.5-1.1 times of the water depth, and the rigid plate bodies are arranged in a straight line or staggered or circular arc;
when a plurality of rigid plate devices 1 are arranged in a line, the distance between adjacent rigid plate devices 1 is less than 30CM and is distributed on a horizontal line EF 4; when the plurality of rigid plate devices 1 are arranged in a staggered mode, the distance between every two adjacent rigid plate devices 1 in the transverse direction is less than 30CM, and the longitudinal distance is 50CM-100 CM; when the plurality of rigid plate devices 1 are arranged in an arc shape, the rigid plate devices at the two peripheral ends after the arc arrangement are respectively tangent to the positions of the waistlines in the triangular area, the waistlines in the triangular area are connecting lines of the explosion points and the edge points of the cultivation area or the building, and the rigid plate device closest to the explosion points is tangent to the EF line.
(4) The explosive charge is installed at the explosion point 20 and the explosion operation is started. The propagation path and direction of the blasting energy are changed by the blocking of the rigid plate device. The safety and the efficiency of blasting and silt squeezing construction are improved, disputes caused by construction and damages to fishes and other marine organisms are avoided, and the economic loss is effectively reduced.
When the shortest length of the culture area from the explosion point is 500m, the roadbed width is 10m, and the width of the culture area or the building is 100 m. The water depth is 1m when the intertidal zone is blasted, the blasting point is positioned on the middle extension line of the roadbed, and the buried depth of the blasting point is 20 m. The horizontal rigidity-plate arrangement line EF4 is 100cm from the extension line of the roadbed side line, and according to a similar principle, the horizontal rigidity-plate arrangement line EF in the triangular area is 1.2m long. 2 damping rigid plates are required to be manufactured, the length of each damping rigid plate is 50cm, the thickness of each damping rigid plate is 5cm, the height of a tip is 40cm, the height of each damping rigid plate is 3m, the depth of the inserted sludge is 2m, and the two damping rigid plates can be distributed in a straight line. The damping rigid plates can be arranged in a line when the number of the damping rigid plates is less,
referring to fig. 7 to 9, a second embodiment of the present invention provides a rigid shock absorbing device for blasting in coastal sludge, which is substantially the same as the first embodiment except that: the rigid plate device 1 comprises a rigid plate component and at least two rigid columns 7, wherein vertical connecting holes 8 matched with the rigid columns 7 are formed in the rigid plate component. The rigid plate component comprises a bottom rigid plate 9 and a plurality of connecting steel plates 10, during installation, connecting holes 8 in the bottom rigid plate 9 and the connecting steel plates 10 sequentially penetrate through the rigid column 7 and are sleeved on the rigid column 7, the bottom rigid plate 9 and the connecting steel plates 10 are vertically connected to the rigid column 7, and the bottom rigid plate 9 and the connecting column 7 are fixed through a rigid rod 13.
Each rigid column 7 is provided with a plurality of guide holes 11 which transversely penetrate through, the guide holes 11 of adjacent rigid columns correspond to each other one by one, and transverse connecting holes 12 are transversely formed in the bottom rigid plate 9 and the connecting steel plates 10. When bottom rigid plate and a plurality of connecting plate cup jointed on the rigidity post in proper order, horizontal connecting hole 12 corresponds each other and switches on with guiding hole 11, and steel pole 13 passes connecting hole and guiding hole in proper order, and just pole both ends are fixed through adjusting nut 21 is spacing.
The rigid column 7 comprises a rod part 13 and a second tip part 14, a positioning lug 15 is arranged at the joint of the second tip part 14 and the rod part, a positioning groove 16 matched with the positioning lug is arranged on the bottom end face of the bottom rigid plate, the positioning lug 15 is preferably polygonal, and when the bottom rigid plate 9 is vertically inserted into the rod part of the rigid column 7, the positioning lug 15 is clamped into the positioning groove 16. The polygonal positioning protrusions 15 and positioning grooves 16 prevent the rigid posts 7 from rotating, and facilitate the guiding holes 11 and the transverse connecting holes 12 to correspond to each other and be communicated with each other.
When the rigid plate device is constructed, after the position of a horizontal line EF4 is determined, the vertical connecting holes of the bottom rigid plate 9 penetrate through the rigid columns 7 respectively, the positioning lugs 15 are clamped into the positioning grooves 16, the rigid rods 13 penetrate through the transverse connecting holes and the guide holes 11 in the bottom rigid plate in sequence, and the adjusting nuts are connected to the two ends of the rigid rods 13. The method comprises the following steps of beating the rigid column 7 and the bottom rigid plate 9 together partially to hammer into sludge, exposing the top end part of the bottom rigid plate 9, wherein the top end faces of the bottom rigid plate and the connecting steel plate are provided with strip-shaped clamping grooves 18, and the bottom end face of the connecting steel plate is provided with strip-shaped convex edges 17 matched with the strip-shaped clamping grooves. The connecting steel plate 10 is inserted along the rigid column, the strip-shaped convex edge 17 at the bottom of the first connecting steel plate is clamped into the strip-shaped clamping groove 18 at the top of the bottom rigid plate, then the first connecting steel plate is fixed with the rigid column 7 through the rigid rod 13, and the first connecting steel plate continues to be inserted downwards until the top of the first connecting steel plate is exposed. And (3) inserting the connecting steel plate into the rigid column 7 next time, wherein the strip-shaped convex edge 17 at the bottom of the rigid column is clamped and embedded with the strip-shaped clamping groove 18 of the previous connecting steel plate until the last connecting steel plate is connected and inserted into the sludge, and the length of the sludge leaking surface of the last connecting steel plate accounts for 0.5-1.1 times of the water depth. The bottom end of the bottom rigid plate 9 has a third pointed end 19. The second pointed end 14 and the third pointed end 19 facilitate the insertion of the rigid plate device into the sludge, and facilitate the construction. The rigid plate device in the embodiment is suitable for places with large blasting areas. Through the detachable rigid plate device, the transportation is convenient, and the installation is convenient.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (9)
1. A rigid shock absorption device for blasting in coastal sludge is characterized in that: the device comprises a plurality of rigid plate devices, wherein two side faces of a culture area or a building and a point at a explosion point position form a triangle, the rigid plate devices are arranged in the triangular range, the point, closest to the explosion point position, of each rigid plate device is a horizontal line, and the horizontal line is located 10CM-100CM outside an extension line of the edge of a roadbed or a dam body.
2. The apparatus for rigid shock absorption of blasting in coastal sludge as claimed in claim 1, wherein: the rigid plate device comprises a damping rigid plate, the damping rigid plate comprises a rigid plate and a first tip end fixed below the rigid plate, and the cross section of the first tip end is in an isosceles triangle shape.
3. The apparatus for rigid shock absorption of blasting in coastal sludge as claimed in claim 1, wherein: the rigid plate device comprises a rigid plate assembly and at least two rigid columns, wherein vertical connecting holes matched with the rigid columns are formed in the rigid plate assembly, the rigid plate assembly comprises a bottom rigid plate and a plurality of connecting steel plates, during installation, the connecting holes in the bottom rigid plate and the connecting steel plates sequentially penetrate through the rigid columns and are sleeved on the rigid columns, the bottom rigid plate and the connecting steel plates are vertically connected onto the rigid columns, and the bottom rigid plate and the connecting columns are fixed through rigid rods.
4. The apparatus for rigid shock absorption of blasting in coastal sludge as set forth in claim 3, wherein: the rigidity post includes pole portion and second pointed end, the second pointed end has the locating convex block with pole portion junction, the bottom face of bottom rigidity board have with the constant head tank of locating convex block adaptation, when the vertical rigid post pole portion of inserting of bottom rigidity board, the locating convex block card is gone into in the constant head tank.
5. The apparatus for rigid shock absorption by blasting in coastal sludge as claimed in claim 3 or 4, wherein: every rigid column all has a plurality of guiding holes that transversely run through, and the guiding hole one-to-one of adjacent rigid column corresponds, all transversely be provided with the transverse connection hole in bottom rigid plate and a plurality of steel connecting plate, when bottom rigid plate and a plurality of connecting plate cup jointed on the rigid column in proper order, the transverse connection hole corresponds and switches on with the guiding hole each other, and the connecting rod passes connecting hole and guiding hole in proper order, and it is spacing fixed through adjusting nut to connect rigid rod both ends.
6. The apparatus for rigid shock absorption of blasting in coastal sludge as set forth in claim 5, wherein: the top end face of bottom rigid plate and connecting steel plate all has the bar draw-in groove, the bottom face of connecting steel plate has the protruding edge of bar with bar draw-in groove adaptation.
7. The apparatus for blasting rigid shocks in coastal sludge as claimed in claim 3, 4 or 6, wherein: the bottom end of the bottom rigid plate has a third pointed end.
8. The method for laying the rigid shock absorption device for blasting in the coastal sludge according to claim 1, which is characterized in that: the steps are as follows,
(1) the mounting position of the rigid-plate device is determined,
edge points on two side surfaces of the culture area or the building and points at the positions of the explosion points form a triangular area, and the position which is 10-100CM away from the edge extension line of the roadbed or the dam body in the triangular area is a layout horizontal line EF of the rigid plate device;
(2) the rigid plate device is prepared by the following steps,
the width of the rigid plate is 1/2-1/30 of the arrangement horizontal line EF, and the height of the rigid plate is 0.2-1.1 times of the explosion point burial depth H;
(3) the rigid plate device is arranged on the base plate,
uniformly inserting a plurality of rigid plates on or above a horizontal line EF, wherein the inserting depth of the rigid plate devices is 0.6-0.9 times of the total height of the rigid plates, the length of the sludge leaking surface of the rigid plate devices is ensured to be 0.5-1.1 times of the water depth, and the plurality of rigid plate devices are arranged in a straight line or in a staggered arrangement or in an arc arrangement;
(4) and mounting the explosive at the explosion point and then starting the explosion operation.
9. The method for laying up the rigid shock absorbing blasting apparatus in the coastal sludge according to claim 8, wherein: in the step (3), when the plurality of rigid plate devices are arranged in a line, the distance between adjacent rigid plate devices is less than 30CM and is distributed on the horizontal line EF; when the plurality of rigid plate devices are arranged in a staggered manner, the distance between every two adjacent transverse rigid plate devices is less than 30CM, and the longitudinal distance is 50CM-100 CM; when the plurality of rigid plate devices are arranged in an arc shape, the rigid plate devices at the two peripheral ends after the arc arrangement are respectively tangent to the positions of the waistlines in the triangular area, the positions of the waistlines in the triangular area are connecting lines of explosion points and culture areas or edge points of buildings, and the rigid plate device closest to the explosion points is tangent to the EF line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011535113.3A CN112683121A (en) | 2020-12-23 | 2020-12-23 | Rigid shock absorption equipment for blasting in coastal sludge and laying method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011535113.3A CN112683121A (en) | 2020-12-23 | 2020-12-23 | Rigid shock absorption equipment for blasting in coastal sludge and laying method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112683121A true CN112683121A (en) | 2021-04-20 |
Family
ID=75450926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011535113.3A Pending CN112683121A (en) | 2020-12-23 | 2020-12-23 | Rigid shock absorption equipment for blasting in coastal sludge and laying method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112683121A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060133900A1 (en) * | 2002-08-27 | 2006-06-22 | Singleton Earl R | Reinforced silt retention sheet |
| CN101331283A (en) * | 2005-12-17 | 2008-12-24 | 英国国防部 | A barrier |
| CN102061696A (en) * | 2011-01-27 | 2011-05-18 | 宁波高新区围海工程技术开发有限公司 | Environment-friendly blasting compaction method for treating soft foundation |
| CN203174805U (en) * | 2013-04-28 | 2013-09-04 | 辽宁省石油化工规划设计院有限公司 | Anti-explosion wall combined by concrete and steel plate |
| CN205354586U (en) * | 2015-12-14 | 2016-06-29 | 乔立新 | Modular construction of highway denoter |
| CN206565523U (en) * | 2016-11-10 | 2017-10-20 | 陈延木 | Many jigsaw novel tables |
| CN206752702U (en) * | 2017-03-24 | 2017-12-15 | 沈阳城市建设学院 | A kind of energy-conserving plate material for building |
| CN109238064A (en) * | 2018-11-09 | 2019-01-18 | 贵州大学 | A kind of engineering explosion baffling device convenient for adjusting size |
| CN209326490U (en) * | 2018-09-28 | 2019-08-30 | 核工业井巷建设集团有限公司 | A kind of complex environment lower frame Demolition of Water Tower safeguard |
| CN111119241A (en) * | 2020-01-17 | 2020-05-08 | 中铁第六勘察设计院集团有限公司 | Immersed tube tunnel underwater blasting end protection device and protection method |
| CN211011839U (en) * | 2019-11-29 | 2020-07-14 | 张晓华 | Suspension type air conditioner wind shield |
| CN111795625A (en) * | 2020-07-27 | 2020-10-20 | 武汉大学 | Method and device for protecting shock waves in water of blasting excavation of seabed foundation pit |
| CN211717293U (en) * | 2020-01-07 | 2020-10-20 | 中电建十一局工程有限公司 | Protection plate for underwater blasting |
-
2020
- 2020-12-23 CN CN202011535113.3A patent/CN112683121A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060133900A1 (en) * | 2002-08-27 | 2006-06-22 | Singleton Earl R | Reinforced silt retention sheet |
| CN101331283A (en) * | 2005-12-17 | 2008-12-24 | 英国国防部 | A barrier |
| CN102061696A (en) * | 2011-01-27 | 2011-05-18 | 宁波高新区围海工程技术开发有限公司 | Environment-friendly blasting compaction method for treating soft foundation |
| CN203174805U (en) * | 2013-04-28 | 2013-09-04 | 辽宁省石油化工规划设计院有限公司 | Anti-explosion wall combined by concrete and steel plate |
| CN205354586U (en) * | 2015-12-14 | 2016-06-29 | 乔立新 | Modular construction of highway denoter |
| CN206565523U (en) * | 2016-11-10 | 2017-10-20 | 陈延木 | Many jigsaw novel tables |
| CN206752702U (en) * | 2017-03-24 | 2017-12-15 | 沈阳城市建设学院 | A kind of energy-conserving plate material for building |
| CN209326490U (en) * | 2018-09-28 | 2019-08-30 | 核工业井巷建设集团有限公司 | A kind of complex environment lower frame Demolition of Water Tower safeguard |
| CN109238064A (en) * | 2018-11-09 | 2019-01-18 | 贵州大学 | A kind of engineering explosion baffling device convenient for adjusting size |
| CN211011839U (en) * | 2019-11-29 | 2020-07-14 | 张晓华 | Suspension type air conditioner wind shield |
| CN211717293U (en) * | 2020-01-07 | 2020-10-20 | 中电建十一局工程有限公司 | Protection plate for underwater blasting |
| CN111119241A (en) * | 2020-01-17 | 2020-05-08 | 中铁第六勘察设计院集团有限公司 | Immersed tube tunnel underwater blasting end protection device and protection method |
| CN111795625A (en) * | 2020-07-27 | 2020-10-20 | 武汉大学 | Method and device for protecting shock waves in water of blasting excavation of seabed foundation pit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20140122219A (en) | Foundation structure of an offshore plant, in particular an offshore wind turbine, which foundation structure is to be installed at a low noise level, and installation method therefor | |
| CN210031842U (en) | Combined supporting system for adjacent deep foundation pit based on row piles, connecting beams and counter-pulling anchor cables | |
| CN105350561B (en) | A kind of miniature well foundation of assembled for soft clay area power transmission tower | |
| KR100901886B1 (en) | Block fixing foundation for assembly block deveris barrier | |
| CN214842811U (en) | Rigid shock absorption equipment for blasting in coastal sludge | |
| CN112683121A (en) | Rigid shock absorption equipment for blasting in coastal sludge and laying method thereof | |
| CN110714615B (en) | Beam bottom formwork dismantling mechanism and beam bottom formwork dismantling method | |
| CN205975551U (en) | A construction platform for construction of aquatic steel sheet pile | |
| CN109827485B (en) | Assembled flyrock protection device for cofferdam demolition blasting and use method thereof | |
| KR101035132B1 (en) | Base block for supporting shore protection block and construction method | |
| CN212506101U (en) | Wave dissipation slope protection structure | |
| CN212983882U (en) | Deep foundation pit side slope | |
| KR101495318B1 (en) | Civil and building structures for mounting support | |
| KR101114521B1 (en) | Base block for supporting revetment block and constructing method | |
| CN221822906U (en) | Positioning and guiding device for construction of underwater steel pipe pile | |
| CN216865199U (en) | Geotechnical engineering side slope reinforcing apparatus | |
| CN110565798A (en) | Assembled column base connecting device of anchor formula behind shock-proof type | |
| CN205171540U (en) | A stock combination rock foundation builds in for transmission tower | |
| KR20080003416U (en) | Ring net system that use wire rope | |
| CN214883517U (en) | Ecological wetland revetment structure based on river lake topography is remolded | |
| CN218933016U (en) | Shore protection trestle structure | |
| CN215925986U (en) | Protection architecture under influence of adjacent underground works of existing tunnel | |
| CN210976186U (en) | Novel aggregate bin partition wall | |
| CN218060344U (en) | Working well foundation pit supporting structure | |
| CN212742572U (en) | Limited space pipe-jacking pipeline construction temporary support structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210420 |