CN107121037B - A kind of construction of cubic meter of stone static crushing - Google Patents
A kind of construction of cubic meter of stone static crushing Download PDFInfo
- Publication number
- CN107121037B CN107121037B CN201710494219.5A CN201710494219A CN107121037B CN 107121037 B CN107121037 B CN 107121037B CN 201710494219 A CN201710494219 A CN 201710494219A CN 107121037 B CN107121037 B CN 107121037B
- Authority
- CN
- China
- Prior art keywords
- blasthole
- construction
- expansion tube
- initiator
- static crushing
- 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.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
- F42D3/04—Particular applications of blasting techniques for rock blasting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/04—Arrangements for ignition
- F42D1/045—Arrangements for electric ignition
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
- F42D1/18—Plugs for boreholes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of cubic meter of stone static crushing structure and its construction, including working face, gas explosion area and protective layer are equipped in working face; protective layer is set to the end in gas explosion area, and blasthole is equipped in gas explosion area, expansion tube and lifting pipe are equipped in blasthole; expansion tube connects initiator, and initiator connects power supply.Construction is the following steps are included: preparation of construction；It is drilled with blasthole；Blasthole tubulature；Blast hole stemming；Blasting circuit connection；Detonation；It is checked after quick-fried；Mention pipe.The present invention expands fracturing construction technology using carbon dioxide gas, fractured rock is carried out in conjunction with a variety of static crushing means such as pillar splitter, swelling agent, quartering hammer, and by the way of bench blasting, construction efficiency can be greatly improved under the premise of ensuring construction safety, quality, speed of slagging tap is fast, shortens the construction period simultaneously；Operation of the present invention is simple, complete operation without concussion, without dust；Expansion tube can be carried out recycling, and save the cost protects environment.
Description
Technical field
The present invention relates to a kind of constructions of cubic meter of stone static crushing.
Background technique
Soilstone ratio is referred in road, bridge, mine, tunnel, water conservancy and hydropower, field are flat, foundation pit, hole stake, pipe alley
In equal engineering constructions, explosion is carried out to the cubic metre of earth and stone using blasted material, one kind to achieve the purpose that excavation is widely applied to be applied
Work method.The complicated construction technique of blasting rock move is used in the prior art, it is long in time limit, and it is big to generate Dust Capacity.
The above deficiency, it is to be improved.
Summary of the invention
In order to overcome the shortcomings of that existing technology, the present invention provide a kind of construction of cubic meter of stone static crushing.
Technical solution of the present invention is as described below:
A kind of construction of cubic meter of stone static crushing, which comprises the following steps:
Step 1: preparation of construction: excavated surface；
Step 2: being drilled with blasthole: being drilled with blasthole in the working face of excavation, blasthole is vertical hole or inclined hole；
Step 3: blasthole tubulature: successively loading expansion tube into blasthole using specific purpose tool, each blasthole is equipped with expansion tube
It is managed with lifting；
Step 4: blast hole stemming: installing vibration motor on lifting pipe, slowly topple over chicken girt or Huang after energization into blasthole
Sand carries out blast hole stemming；
Step 5: blasting circuit connects: blasthole is carried out piecewise connection；
Step 6: detonation: expansion tube being connected with initiator, is detonated by initiator；
Step 7: being checked after quick-fried: first being checked demolition site after quick-fried by engineers and technicians, finish confirmation in inspection
It after safety, issues and releases restricted speed signal, staff is allowed to enter construction site.
Step 8: mentioning pipe: the effective lifting pipe of the expansion after explosion being proposed blasthole, and expansion tube is recycled.
Preferably, in said step 1, foundation pit cross section opens up two or more working faces, carries out gas explosion and applies
Work, excavation form gas explosion small stair and create the lateral scope of freedom.
Preferably, it in the step 3, when meeting water hole, needs to be blown the ponding in blasthole with blower before filling
Out, and to expansion tube water-proofing treatment is done.
Preferably, in the step 4, filling is required: chicken girt or yellow sand are introduced in blasthole with steel wire, and
Blast hole stemming is closely knit；Prolong certain orientation with vibrating motor while clogging chicken girt or yellow sand to vibrate, it is ensured that vibration compacting.
Preferably, in the step 5, blasthole is subjected to rationalization partition, to reduce the electricity of entire conductive net
Resistance value, it is noted that the resistance balance of each branch, guarantees that each expansion tube obtains identical current value when subregion；It is connected at network
In the process, after electrician's multimeter detection network resistance, network should being utilized to connect, it is necessary to network institute measuring resistance value and meter
Calculation value is compared；The connector application high quality insulating tape of network connection tightly wraps, and guarantees that connection is reliable.
Preferably, in the step 6, before detonation, whether intact normal, initiator if first checking for initiator
It should charge in time, and initiator should be able to provide enough electric energy；Network resistance must be detected, be guarded against before connecting main line
After the completion, network resistance value is measured again, after determining normally, main line could be connect with initiator；Then detonation order is waited；
It after detonation, cuts off the power in time, main line is separated with initiator.
Preferably, in the step 7, the quick-fried rear scope of examination includes: whether explosion heap is stable；Whether there is or not danger slopes
Or endanger stone or Rolling Stone；Whether there is or not over range to collapse；Whether most important protected object is safe.
Preferably, in the step 8, lifting pipe direction of improvement should be consistent with lift lever direction；Work as lift lever
It cannot propose, second-time breakage need to be carried out to rock.
A kind of cubic meter of stone static crushing structure, which is characterized in that including working face, gas explosion area and guarantor are equipped in the working face
Sheath, the protective layer are set to the end in the gas explosion area, and blasthole is equipped in the gas explosion area, is equipped with expansion tube in the blasthole
It is managed with lifting, the lifting pipe connects vibration motor, and the expansion tube connects initiator, and the initiator connects power supply.
Preferably, heater and liquid carbon dioxide are equipped in the expansion tube, one end of the expansion tube is set
There are Air filling and discharging valves, the other end of the expansion tube connects the connector lug of the initiator, and the connector lug connects the heater
Electrode.
According to the present invention of above scheme, the beneficial effect is that, the present invention is applied using carbon dioxide gas expansion fracturing
Work technology carries out fractured rock in conjunction with a variety of static crushing means such as pillar splitter, swelling agent, quartering hammer, and uses ladder
The mode of explosion can greatly improve construction efficiency under the premise of ensuring construction safety, quality, and speed of slagging tap is fast, shortens simultaneously
Duration；Operation of the present invention is simple, complete operation without concussion, without dust；Expansion tube can be carried out recycling, and save the cost protects environment.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention one.
Fig. 2 is structural schematic diagram two of the invention.
Fig. 3 is expansion pipe structure schematic diagram of the invention.
Appended drawing reference is as follows in the figure:
1- working face；11- gas explosion area；12- protective layer；111- blasthole；
2- expansion tube；21- heater；22- liquid carbon dioxide；23- Air filling and discharging valves；24- connector lug；25- rupture diaphragm；
26- sealing ring.
Specific embodiment
With reference to the accompanying drawing and the present invention is further described in embodiment:
As shown in Figure 1 to Figure 2, a kind of construction of cubic meter of stone static crushing, comprising the following steps:
Step 1: preparation of construction: excavated surface 1；
Foundation pit cross section opens up two or more working faces 1, carries out gas explosion construction, and excavation forms gas explosion small stair and creates side
To the scope of freedom.In the present embodiment, two excavated surfaces 1 are opened up along 23.1 meters wide foundation pit cross section, carries out gas explosion construction, opens
Digging forms gas explosion small stair and creates the lateral scope of freedom, working face step high 3m, wide about 11.5m.
Step 2: being drilled with blasthole 111: being drilled with blasthole in the working face 1 of excavation, blasthole 111 is vertical hole or inclined hole；
Vertical hole is used when conditions permit as far as possible, drilling operation is easier to, and is convenient for tubulature；Inclined hole cracking Energy distribution compared with
Be it is reasonable, the minimum burden for extending hole length is equal or be bordering on equal, is conducive to eliminate foundation and obtain uniform energy to release
It puts.
Step 3: 1 tubulature of blasthole: successively loading expansion tube 2 into blasthole 1 using specific purpose tool, each blasthole 1 is equipped with two
Root expansion tube 2 and lifting pipe；
It has to that the electric wire connection of hoisting tool damage heat-generating pipe is avoided to need to use blower before filling when meeting water hole when filling
By the ponding blowout in blasthole, and water-proofing treatment is done to expansion tube 2.
Step 4: blasthole 111 is clogged: installing vibration motor on lifting pipe, slowly topple over stone into blasthole 111 after energization
Rice or yellow sand carry out blasthole 111 and clog；
Choke material dry microlith powder or yellow sand etc, to enhance its frictional force；Chicken girt or yellow sand are drawn with steel wire
Enter in blasthole, and blasthole 111 is clogged closely knit；Prolong certain orientation with vibrating motor while clogging chicken girt or yellow sand to vibrate,
Ensure vibration compacting, and protects line related.
Step 5: blasting circuit connects: blasthole is carried out piecewise connection；
Blasthole 111 is subjected to rationalization partition, to reduce the resistance value of entire conductive net, it is noted that each branch when subregion
Resistance balance, guarantee that each expansion tube obtains identical current value；In the connection procedure of network, electrician's multimeter should be utilized
Network resistance is detected, after network connects, it is necessary to be compared to network institute measuring resistance value with calculated value；If difference compared with
Greatly, it should ascertain the reason, debug, reconnect；The connector application high quality insulating tape of network connection tightly wraps, and guarantees connection
Reliably.
Step 6: detonation: expansion tube 2 being connected with initiator, is detonated by initiator；
It is detonated using high energy initiator；Before detonation, first check for whether initiator is intact normally, and initiator should fill in time
Electricity, and initiator should be able to provide enough electric energy；Network resistance must be detected before connecting main line, after the completion of warning,
Network resistance value is measured again, after determining normally, main line could be connect with initiator；Then detonation order is waited；After detonation,
It cuts off the power in time, main line is separated with initiator.
Step 7: being checked after quick-fried: first being checked demolition site after quick-fried by engineers and technicians, finish confirmation in inspection
It after safety, issues and releases restricted speed signal, staff is allowed to enter construction site.
The scope of examination includes: whether explosion heap is stable after quick-fried；Whether there is or not danger slope or danger stones or Rolling Stone；Whether there is or not over range to collapse；
Whether most important protected object is safe.
Step 8: mentioning pipe: the lifting pipe of the expansion tube 2 after explosion being proposed blasthole 111, and expansion tube 2 is recycled.
Lifting pipe direction of improvement should be consistent with lift lever direction；When lift lever cannot propose, rock need to be carried out secondary broken
It is broken.
Secondary catalase: in dehiscence process, inevitably generating a certain number of large rock masses, and these are big
When block rock has been more than production requirement specification or has dug the dipper capacity of installation tool, it is necessary to be carried out to these large rock masses secondary broken
It is broken.Mechanical crushing method can be used, second-time breakage is carried out to large rock mass using hydraulic impact hammer (being commonly called as quartering hammer).Hydraulic crushing
Hammer is a kind of novel breaking tool of very important high-efficient homework, is had a safety feature, substantially without slungshot.
A kind of cubic meter of stone static crushing structure, including working face 1, working face 1 is interior to be equipped with gas explosion area and 11 protective layers 12, protection
Floor 12 is set to the end in gas explosion area 11, and blasthole 111 is equipped in gas explosion area 11, expansion tube 2 and lifting pipe are equipped in blasthole 111, is mentioned
Trombone slide connects vibration motor, and expansion tube 2 connects initiator, and initiator connects power supply.
Vibration motor is installed on lifting pipe, chicken girt is slowly toppled over after energization into blasthole 111 or yellow sand carries out blasthole
111 fillings, choke material dry microlith powder or yellow sand etc, to enhance its frictional force；With steel wire by yellow sand introduction hole,
And it is clogged closely knit；It is vibrated in filling with vibrating motor, pays attention to direction of vibrating, protect line related, it is ensured that vibrate close
It is real.
Heater 21 and liquid carbon dioxide 22 are equipped in expansion tube 2, one end of expansion tube 2 is equipped with Air filling and discharging valves 23, swollen
The connector lug 24 of the other end connection initiator of tube expansion 2, the connector lug 24 of initiator connect the electrode of heater 21.
Expansion tube 2 further includes rupture diaphragm 25, and rupture diaphragm 25 is set between Air filling and discharging valves 23 and expansion tube 2.
Expansion tube 2 further includes sealing ring 26, and sealing ring 26 is set between rupture diaphragm 25 and expansion tube 2.In the present embodiment,
Sealing ring 26 is copper backing.
In the present embodiment, two expansion tubes 2 are equipped in blasthole 111.The length of expansion tube 2 is 1m.
111 depth of blasthole is 3~5m.The width of protective layer 12 is 1.5~2m.It is required according to the engineering excavation, in conjunction with this
The actual conditions and rock property of engineering protection object, are excavated using gas expansion, and foundation pit periphery is using reserved 1.5~2 meters of guarantors
Sheath 12, within every circulation tunnelling footage 5m.Buried mode significantly more efficient can inhibit expansion to make the noise for splitting operation.
The aperture of blasthole 111 is greater than the aperture of expansion tube 2.In the present embodiment, 111 aperture of blasthole is 90mm, expansion tube 2
Aperture be 73mm.
Blasthole 111 is vertical hole or inclined hole.Vertical hole is used when conditions permit as far as possible, advantage is that drilling operation is easier to,
Convenient for tubulature；The advantages of inclined hole cracks is that Energy distribution is relatively reasonable, and the minimum burden for extending hole length is equal or be bordering on phase
Deng being conducive to eliminate foundation and obtain the release of uniform energy.
The upper end of blasthole 111 is additionally provided with lift lever.Expansion tube 2 after explosion lifting pipe is proposed into blasthole 111, is returned
It receives.Lifting pipe direction of improvement should be consistent with lift lever direction.
Two layers of explosion-proof blanket is covered at 111 position of blasthole, broken flying and fugitive dust can be effectively controlled.
Gas expansion explosion basic principle and feature:
The primary clustering of carbon dioxide expanded fracturing system is by the reusable expansion tube of high intensity of more imports
Full of liquid carbon dioxide 22, heater 21, Air filling and discharging valves 23, firing circuit connection component and other connection accessory parts
Composition.Make 23 transient evaporation of liquid carbon dioxide by the heating of heater 21, discharges high pressure gas energy, rupture target material.
New heater 21, Air filling and discharging valves 23 can be loaded after each use, liquid carbon dioxide 22 is filled and reuses.
In the present embodiment, the punching aperture of gas expansion operation be 90mm, expansion tube 2 outer diameter 73mm, pipe range 1000mm,
Expansion depth is usually no more than 5000mm.The one end of high-voltage tube outside hole is equipped with Air filling and discharging valves 23, and the other end is installed and initiator
The connector lug 24 of connection.Pipe is provided with liquid CO 2 22 and heater 21, and the electrode and high energy initiator of heater 21 connect
The end of a thread connection.
The industrial carbon dioxide gas that purity is 99.9% can be changed into liquid under the conditions of certain cryogenic high pressure, pass through
Liquid carbon dioxide 22 is compressed in expansion tube 2 by high-pressure pump, and safety diaphragm, rupture diaphragm 25,21 and of heater are packed into expansion tube 2
Sealing ring 26 tightens alloy cap and completes the preparation before expansion.Expansion tube 2 and initiator and power supply line are taken to rock
Operation field is divided, expansion tube 2 is inserted into blasthole 111 and is fixed, connects initiator and power supply.When micro-current passes through high thermal conductivity
Stick generates high temperature and punctures safety diaphragm, and moment gasifies liquid carbon dioxide 22, and gas sharply expands 600 times of volumes, and pressure can be high
Up to 300Mpa, Air filling and discharging valves 23 can be caused to automatically open, be inflated article or deposit rapidly promoted outward by violent high pressure so that
Rock division.
Entire operation process only needs 0.4 millisecond from lighting to terminating, because of the form using enclosed liquid carbon dioxide 22, and
It is discharged in moment and gasification, the liquid with ambient enviroment, gas is immiscible, will not generate any pernicious gas, not generate
Electric arc and electric spark not by high temperature, high fever, high humidity, high and cold influence.Complete operation is without concussion, no dust.
Carbon dioxide belongs to the non-flammable explosive substance of inert gas, and expansion process is exactly the process of volume expansion, and gas is swollen
It is swollen to be a kind of acting of physics and chemically non-reactive, non-hot work, without handling construction corresponding entries；Group's work co-ordination intensity
It is minimum；It is highly-safe, vibrate minimum (harder than excavator break broken vibration also small), noiseless, airblast overpressure value/
MPa < 0.002, to human body and construction of structures fanout free region, above can within the second pop-off；Environmental protection, pure physical change, operation without
Shock wave does not generate pernicious gas；Whole rock can be effectively divided, calculifragous efficiency is high.
The determination of broken scheme:
According to construction site condition, under the premise of ensuring construction safety, construction efficiency need to be improved as possible, therefore in this reality
It applies in example using based on carbon dioxide gas expansion fracturing construction technology, supplemented by a variety of quiet quick-fried means such as swelling agent, quartering hammer
Comprehensive static(al) blasting technique scheme.For rocky areas, fracturing construction technology is mainly expanded using carbon dioxide gas, is accordingly done
Good security protection, is greatly improved construction efficiency.Working face cleaning or second-time breakage etc. is completed with the use of quartering hammer simultaneously to make
Industry.In addition, being directed to different side slopes and job platform condition, following concrete scheme can be used:
(1) low gradient slope, when not having down-the-hole trolley operating condition, using big gun machine, wanted by construction drawing design requirement side slope
Element cuts slope molding.
(2) when high gradient slope does not have down-the-hole trolley operating condition, side slope is divided into 2 parts, top bar utilizes big gun
Machine requires side slope element to cut slope molding, and builds platform by construction drawing design requirement, job platform is provided for trolley, in operation
Platform down-the-hole trolley digs vertical deep hole toward getting out of a predicament or an embarrassing situation, and carries out rock using carbon dioxide fracturing technology and abolishes.To surrounding enviroment,
Swelling agent static crushing or the splitting of pillar splitter can be used under conditions of safety requirements is high.
(3) meet the location of trolley operating condition, the vertical hole of down-the-hole trolley Drilling is directly used, using carbon dioxide fracturing skill
Art carries out rock and abolishes.Swelling agent static crushing can be used under conditions of high to surrounding enviroment, safety requirements.
Gas explosion overall plan:
It is required according to the engineering excavation, it is swollen using gas in conjunction with the actual conditions and rock property of the engineering protection object
Distending is dug, and foundation pit periphery, which uses, reserves 1.5~2m protective layer, within every circulation tunnelling footage 5m.Method is used with buried loosening
Based on expansion is broken, before not formed free face, working face is cleared out using quartering hammer combination pillar splitter.Broken construction basis
The direction that Party A requires promotes.
Swelling agent:
Using swelling agent fracturing technology, the ill effects such as without friction, noise will not generate the security risks such as slungshot, be applicable in
Hole depth is larger, but applicable pitch-row is small, and operation is relative complex, it is artificial more to need, and chemical time is longer, and construction efficiency is with respect to column
Want low for formula splitter.Be primarily adapted for use in construction site in burst region be unsuitable for drilling machine operation or gas explosion construction
Position.
Operating procedure:
1, prepare before operation: determined first when ground temperature, medicament temperature, mix coolant-temperature gage, ground temperature, vessel temp are
It is no with require phase sign detection Drug packing whether damaged.It please determine and be ready for subscript material product before operation: (1), medicament.
(2), clean mixing water.(3), steel ladle, mix and stir basin and water ladle.(4), rod (horizontal filling) is disclosed.(5), safety goggles.(6), rubber
Rubber gloves.(7), spare clean water and towel.
1.1, cloth eye is designed:
Cloth first has to determine that at least one should be accomplished and be faced as far as possible with a free face (scope of freedom) boring direction at the moment
Empty face (scope of freedom) is parallel；Same row hole drilling should be kept as far as possible in one plane when cutting rock or concrete.Free face
(scope of freedom) is more, and unit is broken stone amount and got over
Greatly, economic benefit is also higher.According to the actual situation, in the present embodiment, proposed adoption swelling agent construction major parameter
It is as follows:
1) aperture, d=38~42mm
2) step height, H=1.0~3.0m
3) minimum burden, W=0.3~0.6m；
4) pitch-row, a=0.2~0.5m；
5) hole depth, L=1.0~3.0m；
When site operation, it is adjusted and optimizes according to the variation of rock property, construction effect etc..
1.2, it drills:
(1) bore diameter and crushing effect have direct relation, drill too small, are unfavorable for medicament and give full play to effect；Drilling
It is too big, easy punching.The drill bit that recommendation is 38-42mm with diameter.
(2) remaining water and recrement application high-pressure blast purging are clean in drilling, should be completely without native rock ballast by aperture.
1.3, powder charge:
(1) eyelet that is downward and tilting down, the water that 22-32% (weight ratio) left and right can be added in a medicament are (specific to add
Water is determined by granular size) mix liquid state (paste) after, pour into rapidly in hole and ensure medicament in hole in closely knit
State.When drilling is filled out in medication package, reality should be disclosed one by one.The coarse granule medicament ratio of mud adjusts static breaking agent when to 0.22-0.25
Mobility it is preferable, fine powder medicament ratio of mud mobility at 32% or so is preferable, can not also be by disclosing real process.Downwards
Filling tamping is more convenient, if execution conditions allow, recommends to facilitate worker using the form of construction work of " from top to bottom, layering is broken "
Operation.
(2) drilling of horizontal direction and upward direction can be used as medicine with the high-strength long fibered paper more smaller than bore diameter is packed
Agent is placed in basin by powder stick quantity required for an operation circulation, is poured into clean water and is completely soaked, 30-50 seconds or so powder sticks
When being sufficiently humidified so as to, not bubbling completely, taking-up _ powder stick is packed into one by one since bottom hole and discloses tightly, is densely loaded into aperture.I.e.
" concentrate and impregnate, full penetration is packed into one by one, is consolidated respectively ".It is pumped into after medicament can also being mixed and stirred with mortar, aperture stays five lis
Rice is blocked with yellow mud guarantees that moisture medicament does not flow out.
(3) after rock just cracks, water can be added into crack, medicament sustained response is supported, can get more preferable effect.
(4) medicament is loaded every time, will observe determining a, rock；B, medicament；C, whether the temperature of mixing water conforms to
It asks.In pouring process, the medicament of chemical reaction (performance starts to steam and temperature rapid increase), which is taken place, in oneself does not allow to fill
Enter in hole.Mixing water is added to filling end from medicament, the time of this process was no more than five minutes.
1.4, the control in medicament reaction time:
The speed and temperature of medicament reaction have direct relationship, and temperature is higher, and the reaction time is faster, on the contrary then slow.It is practical
In operation, control the medicament reaction time it is too fast there are two ways to, one is inhibitor is added in mixing water.Another method
It is the temperature of strict control mixing water, dry powder pharmaceutical and rock (or concrete).Summer temperature is higher, copes with and is broken before broken
Object blocks, and medicament is stored at low temperature, avoids exposure.Mix coolant-temperature gage is controlled at 15 DEG C or less.
Medicament (volume) reaction time too fast easy generation punching casualty accident, while construction effect is also influenced, increase construction
Cost.To prevent accident, other than taking necessary safety measure, the inhibitor for the delayed response time specially matched also can be used.Suppression
Preparation is put into the mixing water for impregnating medicament (volume).Additional amount is 0.5%-the 6% of mixing water.Temperature is higher, and additional amount is got over
It is more, it is on the contrary then few.Winter temperature is lower, and the medicament reaction time can accordingly extend, and make troubles to construction, and general solution is
Addition inspires agent and coolant-temperature gage is mixed and stirred in raising.It inspires agent to be added excessively, can also reduce medicament expansive force.Mixing and stirring water temperature can be according to reality
Border properly increases, but highest may not exceed 50 DEG C, (otherwise may too fast punching).Reaction time general control was at 30-60 minutes
Preferably, the preferable construction site of condition can shorten according to the actual situation the reaction time, in favor of construction.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Illustrative description has been carried out to the invention patent above in conjunction with attached drawing, it is clear that the realization of the invention patent not by
The limitation of aforesaid way, if the method concept of the invention patent and the various improvement of technical solution progress are used, or without
It improves and the conception and technical scheme of the invention patent is directly applied into other occasions, be within the scope of the invention.
Claims (6)
1. a kind of construction of cubic meter of stone static crushing, which comprises the following steps:
Step 1: preparation of construction: excavated surface, foundation pit cross section open up two or more working faces, carry out gas explosion construction, open
Digging forms gas explosion small stair and creates the lateral scope of freedom；
Step 2: being drilled with blasthole: being drilled with blasthole in the working face of excavation, blasthole is vertical hole or inclined hole；
Step 3: blasthole tubulature: successively loading expansion tube into blasthole using specific purpose tool, each blasthole is equipped with expansion tube and mentions
Trombone slide；
Step 4: blast hole stemming: lifting pipe on vibration motor is installed, slowly topple over after energization into blasthole chicken girt or yellow sand into
Row blast hole stemming；
Step 5: blasting circuit connects: blasthole being carried out piecewise connection, to reduce the resistance value of entire conductive net, when subregion
It is noted that the resistance balance of each branch, guarantees that each expansion tube obtains identical current value；In the connection procedure of network, Ying Li
With electrician's multimeter detection network resistance, after network connects, it is necessary to compare with calculated value network institute measuring resistance value
Compared with；The connector application high quality insulating tape of network connection tightly wraps, and guarantees that connection is reliable；
Step 6: detonation: expansion tube being connected with initiator, is detonated by initiator；
Step 7: being checked after quick-fried: first being checked demolition site after quick-fried by engineers and technicians, finish confirmation safety in inspection
Afterwards, it issues and releases restricted speed signal, staff is allowed to enter construction site；
Step 8: mentioning pipe: the effective lifting pipe of the expansion after explosion being proposed blasthole, and expansion tube is recycled.
2. the construction of cubic meter of stone static crushing according to claim 1, which is characterized in that in the step 3, meet
It needs to be blown out the ponding in blasthole with blower when water hole, before filling, and water-proofing treatment is done to expansion tube.
3. the construction of cubic meter of stone static crushing according to claim 1, which is characterized in that in the step 4, fill out
Plug requires: being introduced chicken girt or yellow sand in blasthole with steel wire, and blast hole stemming is closely knit；It is used while clogging chicken girt or yellow sand
Vibrating motor prolongs certain orientation and vibrates, it is ensured that vibration compacting.
4. the construction of cubic meter of stone static crushing according to claim 1, which is characterized in that in the step 6, rise
Before quick-fried, first check for whether initiator is intact normally, and initiator should charge in time, and initiator should be able to provide enough electric energy；
Network resistance must be detected before connecting main line, after the completion of warning, measure network resistance value again, after determining normally,
Main line could be connect with initiator；Then detonation order is waited；It after detonation, cuts off the power in time, by main line and initiator point
From.
5. the construction of cubic meter of stone static crushing according to claim 1, which is characterized in that quick-fried in the step 7
The scope of examination includes: whether explosion heap is stable afterwards；Whether there is or not danger slope or danger stones or Rolling Stone；Whether there is or not over range to collapse；Most important guarantor
Whether safe protect object.
6. the construction of cubic meter of stone static crushing according to claim 1, which is characterized in that in the step 8, mention
Trombone slide direction of improvement should be consistent with lift lever direction；When lift lever cannot propose, second-time breakage need to be carried out to rock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710494219.5A CN107121037B (en) | 2017-06-26 | 2017-06-26 | A kind of construction of cubic meter of stone static crushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710494219.5A CN107121037B (en) | 2017-06-26 | 2017-06-26 | A kind of construction of cubic meter of stone static crushing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107121037A CN107121037A (en) | 2017-09-01 |
| CN107121037B true CN107121037B (en) | 2019-02-05 |
Family
ID=59718774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710494219.5A Active CN107121037B (en) | 2017-06-26 | 2017-06-26 | A kind of construction of cubic meter of stone static crushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107121037B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107976130B (en) * | 2017-12-12 | 2019-12-06 | 中国一冶集团有限公司 | quick and soundless rock breaking method |
| CN108225135A (en) * | 2017-12-20 | 2018-06-29 | 中煤建工集团有限公司 | A kind of construction method of contrary sequence method fractured rock |
| CN108871131B (en) * | 2018-07-04 | 2020-07-03 | 甘肃五环公路工程有限公司 | Carbon dioxide static blasting construction method for roadbed rock |
| CN109306869B (en) * | 2018-10-31 | 2020-02-07 | 中铁十二局集团有限公司 | High-strength rock splitting method and splitting device based on static and dynamic alternating coupling |
| CN110132066B (en) * | 2019-05-14 | 2021-10-19 | 国家电网有限公司 | Explosion releasing method of improved device for releasing explosion by utilizing carbon dioxide fracturing pipe |
| CN111307007B (en) * | 2020-04-10 | 2022-03-15 | 中钢集团马鞍山矿山研究总院股份有限公司 | Charging structure for inhibiting mine blasting smoke harm |
| CN111692935A (en) * | 2020-06-18 | 2020-09-22 | 南京创华安全技术有限公司 | Blasting construction method of blasting equipment |
| CN113203329A (en) * | 2021-05-31 | 2021-08-03 | 中信建设有限责任公司 | Stone square static crushing method for ultra-large volume of mountain deep foundation pit |
| CN113587760B (en) * | 2021-08-03 | 2023-08-25 | 中南大学 | Combined rock breaking method for thermal expansion rock breaking pipe and hard rock stratum foundation pit |
| CN113607016A (en) * | 2021-09-02 | 2021-11-05 | 中庆建设有限责任公司 | Underground excavation method subway underpass existing line hard rock static blasting construction method |
| CN114183118B (en) * | 2021-12-31 | 2024-05-24 | 石家庄铁道大学 | Enhanced-permeability in-situ leaching mining method and device for hyposmosis sandstone uranium ores and terminal equipment |
| CN115077316A (en) * | 2022-07-19 | 2022-09-20 | 河南省公路工程局集团有限公司 | Carbon dioxide static blasting construction method for roadbed earthwork |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2484510A (en) * | 2010-10-13 | 2012-04-18 | John Hodson | Collar for blasting device |
| CN105066801A (en) * | 2015-08-05 | 2015-11-18 | 河北亿科金属制品有限公司 | Carbon dioxide fracturing device |
| CN105135960A (en) * | 2015-09-08 | 2015-12-09 | 中建八局第四建设有限公司 | Static blasting method of stonework |
| CN105486183A (en) * | 2016-01-07 | 2016-04-13 | 北京中煤矿山工程有限公司 | Carbon dioxide filling valve and fracturing device |
| CN105833972A (en) * | 2016-03-17 | 2016-08-10 | 湖南天拓工程科技有限责任公司 | Block stone disintegration method based on CO2 liquid-gas phase change |
| CN106288988A (en) * | 2016-08-31 | 2017-01-04 | 北京龙德时代技术服务有限公司 | Intelligence carbon dioxide blasting technology method |
-
2017
- 2017-06-26 CN CN201710494219.5A patent/CN107121037B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2484510A (en) * | 2010-10-13 | 2012-04-18 | John Hodson | Collar for blasting device |
| CN105066801A (en) * | 2015-08-05 | 2015-11-18 | 河北亿科金属制品有限公司 | Carbon dioxide fracturing device |
| CN105135960A (en) * | 2015-09-08 | 2015-12-09 | 中建八局第四建设有限公司 | Static blasting method of stonework |
| CN105486183A (en) * | 2016-01-07 | 2016-04-13 | 北京中煤矿山工程有限公司 | Carbon dioxide filling valve and fracturing device |
| CN105833972A (en) * | 2016-03-17 | 2016-08-10 | 湖南天拓工程科技有限责任公司 | Block stone disintegration method based on CO2 liquid-gas phase change |
| CN106288988A (en) * | 2016-08-31 | 2017-01-04 | 北京龙德时代技术服务有限公司 | Intelligence carbon dioxide blasting technology method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107121037A (en) | 2017-09-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107121037B (en) | A kind of construction of cubic meter of stone static crushing | |
| CN100564802C (en) | The method of crushing rock formation in the colliery | |
| CN107063014A (en) | Cutting shallow hole step controlled blasting slope cutting method in complex environment | |
| CN101196117A (en) | Non-blasting digging method for tunnel and underground project | |
| CN108518225A (en) | Dry ice powder dynamic broken rock device, dry ice powder dynamic broken rock system and dry ice powder dynamic rock breaking method | |
| CN105651132A (en) | Directional static blasting construction method for foundation pit stratum and combined guiding device for directional static blasting construction method | |
| CN105890475A (en) | Underpass superhighway tunnel trunk excavation static blasting construction method | |
| CN106677786A (en) | Ultra-deep large-section vertical shaft one-time blasting forming method based on electronic detonators | |
| CN103629980A (en) | Adjacent existing railway steep mountain loosen control blast construction method | |
| CN106679519A (en) | Static blasting demolition method for interior reinforced concrete supports | |
| CN106643361A (en) | Construction method for excavating upper drift heading and lower drift heading in two side walls of ultra-large subsurface tunnel | |
| CN108871131A (en) | Thawing settlement carbon dioxide static blasting construction method | |
| CN103982154A (en) | Well casing recovery method | |
| CN108386193A (en) | A kind of hard integrality top plate chemically expansible pressure break pressure relief method in end | |
| CN107328322B (en) | Cable-stayed type truss bridge blasting method is held under one kind | |
| CN105953671A (en) | Construction method for excavating siliceous slate stone side slope | |
| CN207317651U (en) | A kind of cubic meter of stone static crushing structure | |
| CN113607016A (en) | Underground excavation method subway underpass existing line hard rock static blasting construction method | |
| CN114353608A (en) | Safe ore mining method | |
| CN103822555A (en) | Blasting method in reinforcing and reconstructing construction of hydraulic engineering | |
| CN103437770A (en) | Supporting method for excitation gap pressure relief soft rock roadway | |
| CN111780633B (en) | Step-type rapid excavation method for IV-V-level surrounding rock lower step of double-track tunnel | |
| Li et al. | Experimental study on expansion and cracking properties of static cracking agents in different assembly states | |
| CN208564545U (en) | Dry ice powder dynamic broken rock device and dry ice powder dynamic broken rock system | |
| CN107228608B (en) | The blasting method of rock directional splitting |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |