CN105673015A - Stratified rock mass quarrying method based on static splitting - Google Patents
Stratified rock mass quarrying method based on static splitting Download PDFInfo
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- CN105673015A CN105673015A CN201610047430.8A CN201610047430A CN105673015A CN 105673015 A CN105673015 A CN 105673015A CN 201610047430 A CN201610047430 A CN 201610047430A CN 105673015 A CN105673015 A CN 105673015A
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- 239000011435 rock Substances 0.000 title claims abstract description 159
- 230000003068 static effect Effects 0.000 title claims abstract description 110
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000004575 stone Substances 0.000 claims abstract description 78
- 238000003780 insertion Methods 0.000 claims abstract description 31
- 230000037431 insertion Effects 0.000 claims abstract description 31
- 230000001186 cumulative effect Effects 0.000 claims description 103
- 238000004880 explosion Methods 0.000 claims description 103
- 238000005336 cracking Methods 0.000 claims description 26
- 238000005034 decoration Methods 0.000 claims description 9
- 238000005553 drilling Methods 0.000 claims description 8
- 239000002002 slurry Substances 0.000 claims description 8
- 238000009412 basement excavation Methods 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 6
- 235000007164 Oryza sativa Nutrition 0.000 claims description 5
- 235000009566 rice Nutrition 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 4
- 240000007594 Oryza sativa Species 0.000 claims 1
- 238000005422 blasting Methods 0.000 abstract description 6
- 238000013517 stratification Methods 0.000 abstract description 3
- 241000209094 Oryza Species 0.000 description 4
- 239000000049 pigment Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000010445 mica Substances 0.000 description 3
- 229910052618 mica group Inorganic materials 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C47/00—Machines for obtaining or the removal of materials in open-pit mines
- E21C47/10—Machines for obtaining or the removal of materials in open-pit mines for quarrying stone, sand, gravel, or clay
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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Abstract
A stratified rock mass quarrying method based on static splitting includes steps: step 1, determining the size of a required stone; step 2, excavating a free face of a rock mass; step 3, determining an inclination angle a of a stratum surface; step 4, determining insertion point number and positions of static blasting energy gathering devices on the rock mass; step 5, performing primary splitting, namely a first-stratum splitting quarrying; step 6, taking the static blasting energy gathering devices out of each hole; step 7, performing primary splitting, namely multi-stratum splitting quarrying; step 8, calculating; step 9, performing secondary splitting quarrying to obtain the stone in the specific size.By the stratified rock mass quarrying method based on static splitting has the advantages that the problem against safety in quarrying can be solved, the required stone is obtained by static splitting of rocks according to stratification features of the rocks, and accordingly quarrying efficiency is greatly improved, other rock stratums are less affected, stability of quarried rocks is relatively less affected, and high safety is achieved.
Description
Technical field
The present invention relates to quarrying field, especially a kind of beded rock mass quarrying method based on static splitting.
Background technology
Along with the development of China's building cause, to the raising of the requirement of living environment, efficiency, security that massif is quarried by people have more and more higher requirement. The quarrying of common massif is all by explosive blasting, cannot effectively accurate controlled production scope, mining depth, and more easily destroy rock texture so that the stability of rock mass is caused bigger impact, is unfavorable for safe quarrying.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of beded rock mass quarrying method based on static splitting, the problem being unfavorable for safety quarrying can be solved, the bedding characteristic of rock is utilized rock to carry out static splitting and obtains required stone, greatly improve production efficiency, the interference of other rock stratum is few, the stability influence of rock after exploitation is relatively little, security height.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of beded rock mass quarrying method based on static splitting, and the method comprises the following steps:
Step 1: determine the block sizes of required collection and the rock mass area of exploitation can be supplied;
Step 2: calculating can for collectable number of plies on the rock mass of exploitation=can for the width W of rock mass of exploitationRockThe stone width W of/required collectionWide;
Step 3: excavation rock mass free face: determine drilling depth h on rock mass according to the block sizes that step 1 is determinedHole, according to drilling depth, the rock mass area of exploitation excavate rock mass free face straight up at rock mass toe with supplying;
Step 3: the rock mass free face dug out according to step 2 determines the rock bedding direction of rock mass, according to rock bedding direction, it is determined that the angle of inclination a in face, rock stratum;
Step 4: according to the single static cracking rock range values of explosion cumulative device and the block sizes of required collection, it is determined that the insertion point number of static explosion cumulative device on rock mass and position when every layer of splitting is quarried;
Step 5: first splitting the first layer splitting quarrying: position, the first layer insertion point is perpendicular to free face height hInsert=required stone height hStone, the distance between every two static explosion cumulative devices is the cracking rock range values of single static explosion cumulative device, and in determined position, the first layer insertion point along the boring of rock bedding direction, the axis holed is parallel with formation strike,
Each hole is put into static explosion cumulative device and injects and split stone slurries and carry out splitting quarrying, collect maximum stone;
Step 6: the first layer splitting quarrying takes out the static explosion cumulative device in each hole after terminating;
Step 7: first splitting multilayer splitting quarrying: second layer splitting quarrying position, insertion point is that the first layer exploits new exposure free face h rice straight up, the required stone width W gathered of h=Wide, insertion point number and the mark same the first layer of dot spacing, repeating step 5-6, the residue except the first layer that completing steps 2 calculates for the exploitation of the upper collectable number of plies of the rock mass (1) of exploitation, can collect maximum stone (4);
Step 8: the size measuring maximum stone, the block sizes gathered needed for determining according to step 1, calculates the quantity and decoration form that carry out the required static explosion cumulative device arranged of two splittings;
Step 9: two splittings are quarried: hole on the maximum stone adopted, puts into static explosion cumulative device in each hole and injects and split stone slurries and carry out splitting quarrying, and the splitting direction of each static explosion cumulative device is perpendicular to rock bedding direction,
Adopt to obtain the stone of specific dimensions.
In step 4, the method for calculation of the insertion point number of static explosion cumulative device on rock mass are can for the rock mass Area length L of exploitationRockThe cracking rock range values of/single static explosion cumulative device, the distance between every two static explosion cumulative devices is the cracking rock range values of single static explosion cumulative device.
The cracking rock range values of the single static explosion cumulative device in step 4 is determined by rock static state split test.
In step 8, the decoration form of the required static explosion cumulative device arranged of two splittings is that at least one static explosion cumulative device forms one group of explosion cumulative device group in the vertical direction, and the distance between every two groups of explosion cumulative device groups is the required stone length L gatheredStone, the quantity often organizing static explosion cumulative device in explosion cumulative device group is the required stone length h gatheredStoneThe cracking rock range values of/single static explosion cumulative device, the length/required stone length L of the stone (4) of required explosion cumulative device group number=maximumStone-1。
A kind of beded rock mass quarrying method based on static splitting provided by the invention, useful effect is as follows:
1, by stone that first splitting collection is big, big stone is carried out the stone that two splittings obtain the specific dimensions of required collection again, the bedding architecture according to rock is installed splitting device, relative to there is no the splitting along bedding, make the easier slump of rock, greatly improve quarrying efficiency.
According to the bedding architecture of rock along bedding splitting, to the interference of other rock stratum seldom, 2, the stability influence of rock after exploitation is relatively little, and quarrying security is improved.
3, on the free face produced after utilizing rock cleavage, the gravity of rock accelerates static splitting, it is to increase quarrying efficiency.
4, can the effectively controlled production degree of depth, quarrying scope so that the accuracy of exploitation is improved such that it is able to effectively obtain the stone of desired size.
5, safe and effective, broken noiseless without blasting flyrock, splitting without dust, on surrounding buildings thing without impact, on surrounding environment substantially without affecting.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 be the embodiment of the present invention one sand-flag is carried out quarry step 5 first time splitting device arrange front view;
Fig. 2 be Figure 1A-A to sectional view;
Fig. 3 is the schematic diagram that sand-flag is carried out first splitting the first layer splitting quarrying excavation rock mass free face by the embodiment of the present invention one;
Fig. 4 is the schematic diagram that sand-flag is carried out that quarrying step 8 determines second time splitting quarrying by invention embodiment one;
Fig. 5 be the embodiment of the present invention two schistose mica is carried out quarry step 5 first time splitting device arrange front view;
Fig. 6 be Fig. 5 B-B to sectional view;
Fig. 7 is decoration form and the quantity schematic diagram that schistose mica is carried out the static explosion cumulative device that quarrying step 8 carries out arranging needed for two splittings by invention embodiment two.
Embodiment
Embodiment one
Exploitation rock mass is sand-flag, static explosion cumulative device 3 used and using method thereof are Chinese Patent Application No. is 201510171972.1 disclosed a kind of static explosion cumulative device and blasting methods thereof, determine that the cracking scope of single static explosion cumulative device 3 is 0.5 meter by rock static state split test before exploitation, by rock mass exploration being determined, rock stratum is level, depth of stratum is about 0.2 meter.
As Figure 1-4, a kind of beded rock mass quarrying method based on static splitting, the method comprises the following steps:
Step 1: determine that the required block sizes gathered is LStone=1 meter, WStone=1 meter, HStone=1 meter, can for the rock mass 1 area L of exploitationRock=5 meters, WRock=5 meters;
Step 2: calculating can for collectable number of plies on the rock mass 1 of exploitation=can for the width W of rock mass of exploitationRockThe stone width W of/required collectionWide=5 meters/1 meter=5 layers;
Step 3: excavation rock mass free face: determine drilling depth h on rock mass 1 according to the block sizes that step 1 is determinedHole=LStone=1 meter, according to drilling depth, rock mass 1 area of exploitation utilize excavator to excavate rectangle rock mass free face 2, the length L of rock mass free face 2 straight up at rock mass toe with supplyingFace=5 meters, width WFace=1 meter, the excavation degree of depth is 1 meter;
Step 3: the rock mass free face 2 dug out according to step 2 determines the rock bedding direction 5 of rock mass 1, according to rock bedding direction, by the observation to free face, it is determined that rock stratum towards having a down dip, its angle of inclination a=30 degree;
Step 4: according to the single static cracking rock range values of explosion cumulative device 3 and the block sizes of required collection, it is determined that the insertion point number of static explosion cumulative device 3 on rock mass 1 and position when every layer of splitting is quarried;
In step 4, the method for calculation of the insertion point number of static explosion cumulative device 3 on rock mass 1 are can for the rock mass Area length L of exploitationRockCracking rock range values=5 meter/0.5 meter=10 of/single static explosion cumulative device 3, the distance between every two static explosion cumulative devices 3 is cracking rock range values=0.5 meter of single static explosion cumulative device 3;
Step 5: first splitting the first layer splitting quarrying: position, the first layer insertion point is perpendicular to free face 2 height hInsert=required stone height hStone=1 meter, distance between every two static explosion cumulative devices 3 is cracking rock range values=0.5 meter of single static explosion cumulative device 3, determine that the first layer insertion point cloth seated position is be perpendicular to the horizontal stratification place that free face is about 1m place, this bedding pigment is marked, mark ten insertion points of the first layer again with the pigment of different colours in this bedding, hole along rock bedding direction 5 in determined position, the first layer insertion point, the axis holed is parallel with formation strike, during to ensure second layer splitting, free face is parallel with bedding face, aperture is 0.1 meter, hole depth is 1 meter,
Each hole is put into static explosion cumulative device 3;
Splitting cubic meter of stone method is: in the borehole, first places the main body casing of static explosion cumulative device 3, the most advanced and sophisticated line at splitting angle is located along the same line, then by four stable axis insertion stable axis lead rings, completes the installation of static explosion cumulative device 3; Split stone slurries with large-scale syringe in the injection of main body casing and carry out splitting quarrying,
Wait 1-2 hour, observe rubble situation, collect maximum stone 4;
Step 6: the first layer splitting quarrying takes out the static explosion cumulative device 3 in each hole after terminating;
Step 7: first splitting multilayer splitting quarrying: second layer splitting quarrying position, insertion point is that the first layer exploits new exposure free face h rice straight up, the required stone width W gathered of h=Wide=1 meter, insertion point number and the mark same the first layer of dot spacing, repeating step 5-6, the exploitation of the residue four layers except the first layer that completing steps 2 calculates, collects maximum stone 4, completes the quarrying of the whole rock mass 1 for exploitation;
Step 8: stone 4 shape exploiting gained maximum due to the first layer is triangular prism, does not meet required block sizes, and the stone that residue four layers exploitation gained is maximum carries out two splittings;
The stone 4 measuring residue four layers exploitation gained maximum is of a size of LGreat Shi=5 meters, WGreat Shi=1 meter, HGreat Shi=1 meter, the block sizes gathered needed for determining according to step 1, calculates the quantity and decoration form that carry out the required static explosion cumulative device 3 arranged of two splittings;
In step 8, the decoration form of the required static explosion cumulative device 3 arranged of two splittings is that at least one static explosion cumulative device 3 forms one group of explosion cumulative device group in the vertical direction, and the distance between every two groups of explosion cumulative device groups is the required stone length L gatheredStone=1 meter, the quantity often organizing static explosion cumulative device 3 in explosion cumulative device group is the required stone length h gatheredStoneCracking rock range values=1 meter/0.5 meter=2 of/single static explosion cumulative device 3, the length/required stone length L of the stone 4 of required explosion cumulative device group number=maximumStone-1=5 rice/1 meter-1=4 group, often organizes each static explosion cumulative device 3 disposed at equal distance in explosion cumulative device group.
Step 9: two splittings are quarried: hole on the maximum stone 4 adopted, puts into static explosion cumulative device 3 in each hole and injects and split stone slurries and carry out splitting quarrying, and the splitting direction of each static explosion cumulative device 3 is perpendicular to rock bedding direction 5,
Adopt to obtain the stone of specific dimensions.
The cracking rock range values of the single static explosion cumulative device 3 in step 4 is determined by rock static state split test.
Embodiment two
Exploitation rock mass is schistose mica, static explosion cumulative device 3 used and using method thereof are Chinese Patent Application No. is 201510171972.1 disclosed a kind of static explosion cumulative device and blasting methods thereof, determine that the cracking scope of single static explosion cumulative device 3 is 0.4 meter by rock static state split test before exploitation, by rock mass exploration being determined, rock mass bedding is about 30 degree, depth of stratum is about 0.1 meter.
As illustrated in figs. 5-7, a kind of beded rock mass quarrying method based on static splitting, the method comprises the following steps:
Step 1: determine that the required block sizes gathered is LStone=2 meters, WStone=1 meter, HStone=1 meter, can for the rock mass 1 area L of exploitationRock=8 meters, WRock=8 meters;
Step 2: calculating can for collectable number of plies on the rock mass 1 of exploitation=can for the width W of rock mass of exploitationRockThe stone width W of/required collectionWide=8 meters/1 meter=8 layers;
Step 3: excavation rock mass free face: determine drilling depth h on rock mass 1 according to the block sizes that step 1 is determinedHole=LStone=1 meter, according to drilling depth, rock mass 1 area of exploitation utilize excavator to excavate trilateral rock mass free face 2 straight up at rock mass toe with supplying, and the hypotenuse of rock mass free face 2 is parallel to bedding, and length is 8 meters, and the excavation degree of depth is 1 meter;
Step 3: the rock mass free face 2 dug out according to step 2 determines the rock bedding direction 5 of rock mass 1, according to rock bedding direction, by the observation to free face, it is determined that the angle of inclination a=30 degree of face, rock stratum and horizontal plane;
Step 4: according to the single static cracking rock range values of explosion cumulative device 3 and the block sizes of required collection, it is determined that the insertion point number of static explosion cumulative device 3 on rock mass 1 and position when every layer of splitting is quarried;
In step 4, the method for calculation of the insertion point number of static explosion cumulative device 3 on rock mass 1 are can for the rock mass Area length L of exploitationRockCracking rock range values=8 meter/0.4 meter=20 of/single static explosion cumulative device 3, the distance between every two static explosion cumulative devices 3 is cracking rock range values=0.4 meter of single static explosion cumulative device 3;
Step 5: first splitting the first layer splitting quarrying: position, the first layer insertion point is perpendicular to free face 2 height hInsert=required stone height hStone=1 meter, distance between every two static explosion cumulative devices 3 is cracking rock range values=0.4 meter of single static explosion cumulative device 3, determine that the first layer insertion point cloth seated position is be perpendicular to the horizontal stratification place that free face is about 1m place, this bedding pigment is marked, mark 20 insertion points of the first layer again with the pigment of different colours in this bedding, hole along rock bedding direction 5 in determined position, the first layer insertion point, the axis holed is parallel with formation strike, during to ensure second layer splitting, free face is parallel with bedding face, aperture is 0.1 meter, hole depth is 1 meter,
Each hole is put into static explosion cumulative device 3;
Splitting cubic meter of stone method is: in the borehole, first places the main body casing of static explosion cumulative device 3, the most advanced and sophisticated line at splitting angle is located along the same line, then by four stable axis insertion stable axis lead rings, completes the installation of static explosion cumulative device 3; Split stone slurries with large-scale syringe in the injection of main body casing and carry out splitting quarrying,
Wait 1-2 hour, observe rubble situation, collect maximum stone 4;
Step 6: the first layer splitting quarrying takes out the static explosion cumulative device 3 in each hole after terminating;
Step 7: first splitting multilayer splitting quarrying: second layer splitting quarrying position, insertion point is that the first layer exploits new exposure free face 1 meter of straight up, insertion point number and the mark same the first layer of dot spacing, repeating step 5-6, the exploitation of the residue seven layers except the first layer that completing steps 2 calculates, collect maximum stone 4, complete the quarrying of the whole rock mass 1 for exploitation;
Step 8: measure maximum stone 4 and be of a size of LGreat Shi=8 meters, WGreat Shi=1 meter, HGreat Shi=1 meter, the block sizes gathered needed for determining according to step 1, calculates the quantity and decoration form that carry out the required static explosion cumulative device 3 arranged of two splittings;
In step 8, the decoration form of the required static explosion cumulative device 3 arranged of two splittings is that at least one static explosion cumulative device 3 forms one group of explosion cumulative device group in the vertical direction, and the distance between every two groups of explosion cumulative device groups is the required stone length L gatheredStone=2 meters, the quantity often organizing static explosion cumulative device 3 in explosion cumulative device group is the required stone length h gatheredStoneCracking rock range values=1 meter/0.3 meter=3 of/single static explosion cumulative device 3, required explosion cumulative device group number=can for the length L of the rock mass of exploitationRock/ required stone length LStone-1=8 rice/2 meter-1=3 group, often organizes each static explosion cumulative device 3 disposed at equal distance in explosion cumulative device group.
Step 9: two splittings are quarried: hole on the maximum stone 4 adopted, puts into static explosion cumulative device 3 in each hole and injects and split stone slurries and carry out splitting quarrying, and the splitting direction of each static explosion cumulative device 3 is perpendicular to rock bedding direction 5,
Adopt to obtain the stone of specific dimensions.
The cracking rock range values of the single static explosion cumulative device 3 in step 4 is determined by rock static state split test.
Claims (4)
1. the beded rock mass quarrying method based on static splitting, it is characterised in that the method comprises the following steps:
Step 1: determine the block sizes of required collection and rock mass (1) area of exploitation can be supplied;
Step 2: calculating can for the upper collectable number of plies of the rock mass (1) of exploitation=can for the width W of the rock mass of exploitationRockThe stone width W of/required collectionWide;
Step 3: excavation rock mass free face: determine drilling depth h on rock mass (1) according to the block sizes that step 1 is determinedHole, according to drilling depth, rock mass (1) area of exploitation excavate rock mass free face (2) straight up at rock mass toe with supplying;
Step 3: the rock mass free face (2) dug out according to step 2 determines the direction, bedding face (5) of rock mass (1), according to rock bedding direction, it is determined that the angle of inclination a in face, rock stratum;
Step 4: according to the single static cracking rock range values of explosion cumulative device (3) and the block sizes of required collection, it is determined that the insertion point number of static explosion cumulative device (3) on rock mass (1) and position when every layer of splitting is quarried;
Step 5: first splitting the first layer splitting quarrying: position, the first layer insertion point is perpendicular to free face (2) height hInsert=required stone height hStoneDistance between every two static explosions cumulative device (3) is the cracking rock range values of single static explosion cumulative device (3), in determined position, the first layer insertion point along rock bedding direction (5) boring, the axis holed is parallel with formation strike
Each hole is put into static explosion cumulative device (3) and injects and split stone slurries and carry out splitting quarrying, collect maximum stone (4);
Step 6: the first layer splitting quarrying takes out static explosion cumulative device (3) in each hole after terminating;
Step 7: first splitting multilayer splitting quarrying: second layer splitting quarrying position, insertion point is that the first layer exploits new exposure free face h rice straight up, the required stone width W gathered of h=Wide, insertion point number and the mark same the first layer of dot spacing, repeating step 5-6, the residue except the first layer that completing steps 2 calculates for the exploitation of the upper collectable number of plies of the rock mass (1) of exploitation, can collect maximum stone (4);
Step 8: the size measuring maximum stone (4), the block sizes gathered needed for determining according to step 1, calculates the quantity and decoration form that carry out required static explosion cumulative device (3) arranged of two splittings;
Step 9: two splittings are quarried: in the upper boring of the maximum stone (4) adopted, each hole is put into static explosion cumulative device (3) and injects and split stone slurries and carry out splitting quarrying, the splitting direction of each static explosion cumulative device (3) is perpendicular to rock bedding direction (5)
Adopt to obtain the stone of specific dimensions.
2. a kind of beded rock mass quarrying method based on static splitting according to claim 1, it is characterised in that: in step 4, the method for calculation of the insertion point number of static explosion cumulative device (3) on rock mass (1) are can for the rock mass Area length L of exploitationRockThe cracking rock range values of/single static explosion cumulative device (3), the distance between every two static explosions cumulative device (3) is the cracking rock range values of single static explosion cumulative device (3).
3. a kind of beded rock mass quarrying method based on static splitting according to claim 1, it is characterised in that: the cracking rock range values of single static explosion cumulative device (3) in step 4 is determined by rock static state split test.
4. a kind of beded rock mass quarrying method based on static splitting according to claim 1, it is characterized in that: in step 8, the decoration form of required static explosion cumulative device (3) arranged of two splittings is that at least one static explosion cumulative device (3) forms one group of explosion cumulative device group in the vertical direction, and the distance between every two groups of explosion cumulative device groups is the required stone length L gatheredStone, the quantity often organizing static explosion cumulative device (3) in explosion cumulative device group is the required stone length h gatheredStoneThe cracking rock range values of/single static explosion cumulative device (3), the length/required stone length L of the stone (4) of required explosion cumulative device group number=maximumStone-1。
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| CN107885937A (en) * | 2017-11-09 | 2018-04-06 | 四川海卓大数据科技有限公司 | The block exploitation of stone of dam engineering and transport optimizing method |
| CN113063890A (en) * | 2021-03-02 | 2021-07-02 | 山东科技大学 | Equivalent model for tunnel blasting excavation test and using method thereof |
| CN113431575A (en) * | 2021-06-11 | 2021-09-24 | 中铁六局集团有限公司 | Construction method for assisting excavation of stone cutting by plunger type rock hydraulic splitter |
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| CN107885937B (en) * | 2017-11-09 | 2021-02-23 | 成都希盟泰克科技发展有限公司 | Block stone material mining and transporting optimization method for dam engineering |
| CN113063890A (en) * | 2021-03-02 | 2021-07-02 | 山东科技大学 | Equivalent model for tunnel blasting excavation test and using method thereof |
| CN113063890B (en) * | 2021-03-02 | 2023-06-16 | 山东科技大学 | Equivalent model for tunnel blasting excavation test and application method thereof |
| CN113431575A (en) * | 2021-06-11 | 2021-09-24 | 中铁六局集团有限公司 | Construction method for assisting excavation of stone cutting by plunger type rock hydraulic splitter |
| CN113431575B (en) * | 2021-06-11 | 2024-04-26 | 中铁六局集团有限公司 | Construction method for assisting stone cutting excavation by plunger type rock hydraulic splitter |
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