CN101021162A - Overlying strata separation layer grouting filling device and grouting filling system - Google Patents
Overlying strata separation layer grouting filling device and grouting filling system Download PDFInfo
- Publication number
- CN101021162A CN101021162A CN 200710061616 CN200710061616A CN101021162A CN 101021162 A CN101021162 A CN 101021162A CN 200710061616 CN200710061616 CN 200710061616 CN 200710061616 A CN200710061616 A CN 200710061616A CN 101021162 A CN101021162 A CN 101021162A
- Authority
- CN
- China
- Prior art keywords
- retaining wall
- separation layer
- overlying strata
- pipe
- grouting
- 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
Images
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The present invention relates to an overlying strata separation layer slurry-injecting filling equipment and slurry-injecting filling system by using said equipment, belonging to the field of slurry-injecting filling construction technology. It is characterized by that it includes slurry-injecting pipe, wall-protecting pipe cover-mounted on the exterior of slurry-injecting pipe and slurry-injecting holes uniformly arranged in the lower portion of wall-protecting pipe and slurry-injecting pipe. Said invention can adopt multi-point and multi-layer slurry-injecting mode. Besides, said invention also provides the concrete structure of said wall-protecting pipe.
Description
Technical field
The present invention relates to slow down the grouting device and the system of ground settlement, especially mine overlying strata separation layer grouting filling device and grouting filling system belong to grouting filling facility technology field.
Background technology
After the subterranean coal exploitation, stress of primary rock field in the overlying strata is destroyed, produce subsidiary stress, for reaching new balancing of stresses, main stress bar sharply changes, shifts, and causes overlying strata to produce and moves, is out of shape, ruptures and even collapse, and causes surface subsidence, surface subsidence will cause farmland breaking-up, building destruction, and ecological environment is worked the mischief.For this reason, people often adopt following prevention method: the one, and adopt the non-deformability of passive maintenance or raising building on ground or move building, this control mode effect is limited; The 2nd, keep somewhere safeguard protection coal column or employing " strip coating method " exploitation when mining, to support, the method delay coal amount is many, has reduced the rate of extraction; The 3rd, the back of mining is in time carried out filling with waterpower, wind-force to the goaf, and the method pack densification is poor, can only solve the mining problem of girdle; The 4th, large tracts of land is coordinated exploitation one by one, the face of land, exploiting field is evenly sunk and remains ground level, and the method is strict to condition of coal seam occurrence, and technology and management difficulty are big, are difficult to generally promote; Having is exactly the overlying strata separation layer grouting filling method of promoting at present again.
By engineering observation with experimental studies have found that overlying strata the absciss layer band can occur in moving process, promptly in overlying strata move regular period in the dynamic process, on water flowing fractured zone, exist by a plurality of absciss layers absciss layer band that constitute, that can be used for slip casting.
Employing is a kind of effective method of control subsidence in the Engineering Control method that the inner absciss layer band of overlying strata slurry injection technique slows down ground settlement, at first by the hole of in overlying strata, drilling, ground,, continue to destroy to the slip casting of absciss layer space by boring thereby suppress top, absciss layer space rock mass.
Overlying strata separation layer grouting slows down the ground settlement technology and is promoted the technical measures of the new protection mining area surface safety of using in recent years gradually.
At present the weak point of overlying strata separation layer grouting filling technology be the grouting layer position less, slip casting continuously, low, the general injection-production ratio of slip casting efficient (injection-production ratio is that infusion accounts for the percentage of exploiting the space) is less than 7%, this technology can not be satisfied well subtract heavy needs, also high-leveled and difficult to popularize simultaneously because of cost.
Summary of the invention
The purpose of this invention is to provide a kind of slip casting efficient height, overlying strata separation layer grouting filling device and grouting filling system that cost is low.
The objective of the invention is to be achieved through the following technical solutions:
A kind of overlying strata separation layer grouting filling device comprises Grouting Pipe, is improved to, and at the outside suit retaining wall of Grouting Pipe pipe, leaves cavity between Grouting Pipe and the retaining wall pipe, and retaining wall pipe bottom is placed with injected hole.
Above-mentioned overlying strata separation layer grouting filling device, described Grouting Pipe bottom also is placed with injected hole.
Above-mentioned overlying strata separation layer grouting filling device, described retaining wall pipe is followed successively by unconsolidated formation well cementation section, basement rock retaining wall section, slip casting retaining wall section from top to bottom, wherein: basement rock retaining wall section is directly identical with slip casting retaining wall section, the diameter of unconsolidated formation well cementation section is greater than the diameter of basement rock retaining wall section, and the hole of arranging of described retaining wall pipe bottom is positioned on the slip casting retaining wall section.
Above-mentioned overlying strata separation layer grouting filling device, the upper limb of described basement rock retaining wall section are higher than the lower edge of unconsolidated formation well cementation section.
Above-mentioned overlying strata separation layer grouting filling device, the diameter of described unconsolidated formation well cementation section is 190～250 millimeters; The diameter of basement rock retaining wall section and slip casting retaining wall section is 150～180 millimeters; The Grouting Pipe diameter is 70～120 millimeters.
Above-mentioned overlying strata separation layer grouting filling device, the diameter of described unconsolidated formation well cementation section is 219 millimeters, the diameter of basement rock retaining wall section and slip casting retaining wall section is 168 millimeters; The diameter of Grouting Pipe is 108 millimeters.
Above-mentioned overlying strata separation layer grouting filling device, the length of described unconsolidated formation well cementation section is 190～250 meters, and the length of basement rock retaining wall section is 150～200 meters, and the length of slip casting retaining wall section is 80～150 meters, and the length of Grouting Pipe is more than or equal to 400 meters.
A kind of overlying strata separation layer grouting filling system, comprise filling system, also comprise the overlying strata separation layer grouting filling device that at least one is above-mentioned, overlying strata separation layer grouting filling device is located in the boring at the overlying strata place that needs filling, and be connected with described filling system by feed pipe for mortar, described boring penetrates a plurality of absciss layers in the overlying strata separation layer band.
Above-mentioned overlying strata separation layer grouting filling system, Grouting Pipe inner chamber in the described overlying strata separation layer grouting filling device and Grouting Pipe are connected with feed pipe for mortar respectively with cavity between the retaining wall pipe.
Above-mentioned overlying strata separation layer grouting filling system, the unconsolidated formation well cementation section in the described overlying strata separation layer grouting filling device, fill concrete between the hole wall of its outer wall and described boring.
The present invention has following characteristics:
1. overlying strata separation layer grouting filling device adopts outside Grouting Pipe suit retaining wall pipe and the innovative design of the injected hole of arranging in retaining wall pipe bottom, cavity between retaining wall pipe and the Grouting Pipe forms new slip casting passage, mortar outpours by the injected hole layering of retaining wall pipe bottom in the passage, form a plurality of slip casting points and grouting layer, solved the problem that single Grouting Pipe can't realize delamination pour slurry;
2. the injected hole of also arranging of the Grouting Pipe bottom in the overlying strata separation layer grouting filling device can replenish mortar by comprehensive cavity between retaining wall pipe and Grouting Pipe continuously, makes a plurality of injected holes layering output mortar equably continuously;
3. the corresponding overlying strata layer of the retaining wall pipe in overlying strata separation layer grouting filling device body structure is divided into unconsolidated formation well cementation section, basement rock retaining wall section, slip casting retaining wall section, made things convenient for difference structure bed thickness segment design diameter, the length of retaining wall pipe according to concrete place overlying strata layer body;
4. in the overlying strata separation layer grouting filling system, the boring at grouting filling device place penetrates the interior a plurality of absciss layers of absciss layer band and is connected with filling system by feed pipe for mortar, form a plurality of device for filling full section grouting mode of multiple spot, multilayer operation simultaneously, and make grouting filling form scale, standardization construction, can guarantee grouting amount by scale, standardization construction, increase substantially slip casting efficient, and significantly reduce cost;
5. in the overlying strata separation layer grouting filling system, Grouting Pipe inner chamber, Grouting Pipe are when cavity between the retaining wall pipe is connected with feed pipe for mortar respectively, and it is more full and uniform that the inside and outside slurries of Grouting Pipe are supplied with, and further improves grouting amount and slip casting efficient;
6. in the overlying strata separation layer grouting filling system, between unconsolidated formation well cementation section outer wall and the borehole wall behind the fill concrete, can prevent from loosening gap to occur between the loose unconsolidated formation of unconsolidated formation well cementation section and quality, avoid the slurries overflow, and improve the strong degree that whole retaining wall pipe is settled in the boring of overlying strata separation layer band;
The present invention is suitable to install and use as the grouting device and the system of slowing down ground settlement, especially suitable to mine overlying strata separation layer grouting filling device and system's use.
Description of drawings
Fig. 1 is an overlying strata separation layer grouting filling device example structure schematic diagram;
Fig. 2 is arranged at application state reference diagram in the mine overlying strata for overlying strata separation layer grouting filling device;
Fig. 3 is an overlying strata separation layer grouting filling system embodiment structural representation.
The member label is respectively in the accompanying drawing: 1-unconsolidated formation well cementation section, the 2-Grouting Pipe, 3-basement rock retaining wall section, 4-slip casting retaining wall section, 5-injected hole, A1, A2, A3, A4, the A5-absciss layer, H1-unconsolidated formation bed thickness, H2-horizon d bed thickness, H3-overlying strata separation layer bed thickness, the difference in height of h-basement rock retaining wall section upper limb and unconsolidated formation well cementation section lower edge, A1, A2, A3, A4, A5-absciss layer 1, absciss layer 2, absciss layer 3, absciss layer 4, absciss layer 5, the H-ashcan, B-medium lift pump, J-mixing drum, XJ-holds the slurry stirring pool, the Z-vibrosieve, k-overfall, G-scraper plate machine, the P-conveyor, the W-stable-pressure device, X-power plant grout pipe line, K1, K2, K3, K4, the K5-1 hole, No. 2 holes, No. 3 holes, No. 4 holes, No. 5 holes.
The specific embodiment
The preferable specific embodiment of overlying strata separation layer grouting filling device as shown in Figure 1, the retaining wall pipe that except that comprising Grouting Pipe 2, also comprises suit, injected hole 5 on Grouting Pipe and the retaining wall pipe bottom tube wall is arranged along the tube wall axially spaced-apart, and mortar is filled in the mine overlying strata separation layer by injected hole 5.
Overlying strata separation layer grouting subtracts heavy technology, promptly on the corresponding face of land of bank, to the coal seam overlying rock hole of drilling, make inlet well penetrate a plurality of absciss layer bands, with plunger mud pump flyash or other packing material are pressed in the space of each absciss layer transmission band of people then, realize high pressure sold stowing, slow down with each absciss layer transmission band of obstruction to sink with the continuation of mantlerock.
Shown in Fig. 2,1, the coal seam overlying rock is divided into three layers substantially: be respectively unconsolidated formation, horizon d, overlying strata separation layer from top to bottom; The retaining wall pipe also from top to bottom correspondence be divided into unconsolidated formation well cementation section 1, basement rock retaining wall section 3, slip casting retaining wall section 4, injected hole 5 on the tube wall of retaining wall pipe bottom is positioned on the slip casting retaining wall section 4, basement rock retaining wall section 3 is identical with slip casting retaining wall section 4 diameters, two sections connect as one, the diameter of unconsolidated formation well cementation section 1 is greater than the diameter of basement rock retaining wall section 3, the upper limb of basement rock retaining wall section 3 is higher than unconsolidated formation well cementation section lower edge, and the two is preferably the split setting.
Consult Fig. 1,2.The diameter of unconsolidated formation well cementation section 1 is preferably 190～250 millimeters, can be preferred diameters such as 195,208,219,225,238,250 millimeters; The diameter of basement rock retaining wall section 3 and slip casting retaining wall section 4 is preferably 150～180 millimeters, can be preferred diameters such as 159,168,175,180 millimeters; The diameter of Grouting Pipe 2 is 70～120 millimeters, can be preferred diameters such as 108 millimeters.In the preferred embodiment, the diameter of unconsolidated formation well cementation section 1, basement rock retaining wall section 3, slip casting retaining wall section 4 is respectively 219 millimeters, 168 millimeters, 108 millimeters.
As shown in Figure 2, overlying strata separation layer grouting filling device at first will be laid in grouting filling device in the boring, again by grouting filling device slip casting in overlying strata separation layer by the hole of drilling in overlying strata, ground in use then.Bore diameter is greater than retaining wall pipe diameter, wherein, adopts the concrete well cementation between unconsolidated formation well cementation section 1 and the hole wall, then needn't fill the well cementation agent between basement rock retaining wall section 3 and slip casting retaining wall section 4 and the hole wall.
Still consult Fig. 2.The length of unconsolidated formation well cementation section 1, basement rock retaining wall section 3, slip casting retaining wall section 4 is according to unconsolidated formation bed thickness H1, and horizon d bed thickness H2, overlying strata separation layer bed thickness H3 determine, generally can be respectively 190～250 meters, 150～200 meters, 80～150 meters; The length of Grouting Pipe 2 is above-mentioned three segment length sums, and generally more than or equal to 400 meters, straight cutting arrives at the bottom of the hole.
Determining of the job practices that boring is laid in using with a specific embodiment explanation overlying strata separation layer grouting filling device below and each length of pipe section, and the preferred size of retaining wall pipe diameter and bore diameter:
Unconsolidated formation well cementation section 1: according to " No. 1, high mountain " boring column, determine that loose bed thickness H1 is 180m, the thick 20～30m of bedrock weathering zone determines that thus the length of unconsolidated formation well cementation section 1 is 220m.Adopt the common seamless steel pipe of φ 219 * 8mm, by screwed connection, boring aperture is pressed φ 244mm, tube wall and the well cementation of hole wall diameter fill concrete.
Basement rock retaining wall section 3 and slip casting retaining wall section 4: unconsolidated formation is established after the pipe well cementation finishes, and press bore diameter φ 190 and designs hole depth, creeps at the bottom of the hole.Recording horizon d bed thickness H2 is 177m, and overlying strata separation layer bed thickness H3 is 114m.Therefore hole depth is 220m+177m+114m=511m.
Descend the retaining wall pipe then, adopt the common seamless steel pipe of φ 168 * 8mm, screw thread connects, and on steel pipe is placed directly at the bottom of the boring hole, and does not carry out well cementing of cement.
The upper limb of basement rock retaining wall section 3 steel pipes generally will be higher than the base of unconsolidated formation well cementation section 1, and difference in height is h.Its total length is: hole depth deducts unconsolidated formation well cementation segment length and adds h, and h is generally 3 to 7m, is preferably 5m, and promptly the upper limb of basement rock retaining wall section 3 steel pipes exceeds unconsolidated formation well cementation section base 5m.Basement rock retaining wall section 3 is 511m-220m+5m=296m with the total length of slip casting retaining wall section 4.
Wherein the inlet well foot is the slip casting section, and the length of slip casting retaining wall section 4 is 114m, arranges injected hole on the tube wall of this section retaining wall steel pipe, does not then need perforate on the tube wall of basement rock retaining wall section 3.
Grouting Pipe 2: use φ 108 * 7mm steel pipe, hoop connects, and opens injected hole on the tube wall of the 10m of foot, directly is put at the bottom of the boring hole.
Main technical requirements in the drilling construction comprises:
No core creeps in unconsolidated formation, and mud off is not done hydrogeology observation;
In unconsolidated formation well cementation section, adopt the 525# well cementing of cement;
Rock section, clear water creeps into, and carries out simple and easy hydrogeology observation, the variation of emphasis observed stage, consumption of rinsing liquid, water burst or leak fragment position and size thereof by " hydrogeologic drilling regulation ";
Keep the boring vertical as far as possible, reduce deflection;
Carry out the stratum core and differentiate and edit and record work, submit the boring geologic column to.
Grouting Pipe is all laid the back that finishes with the retaining wall pipe just can be connected pulp feeding system, and the mine overlying strata separation layer has been carried out grouting filling.
Consult Fig. 3.The specific embodiment of overlying strata separation layer grouting filling of the present invention system is, comprise existing filling system, also comprise the overlying strata separation layer grouting filling device that at least one is above-mentioned, overlying strata separation layer grouting filling device is located in the boring at the overlying strata place that needs filling, and be connected with described filling system by feed pipe for mortar, boring penetrates a plurality of absciss layers in the overlying strata separation layer band.
As shown in Figure 3, comprise both hole, No. 1 hole to 5 totally five borings of K1～K5, also can establish a plurality of borings as required, in each boring a mine overlying strata separation layer grouting filling device is set, Grouting Pipe inner chamber, Grouting Pipe in this device is connected with feed pipe for mortar respectively with the cavity between the retaining wall pipe, filling system comprises pulp feeding system and booster station, and mortar is the flyash thin pulp, and the mortar granularity is smaller or equal to 3 millimeters.
Specifically describe the concrete structure and the operating principle of grouting device with specific embodiment shown in Figure 3 below, filling system mainly is made up of three parts: pulp feeding system, booster station, feed pipe for mortar.
Wherein, the main technique flow process of pulp feeding system has:
Conveyor P transports flyash from ashcan H, and agitator J packs into;
By the flyash thin pulp that thermal power plant transports by pipeline X, inject shunting bucket F earlier, and the rear section slurries inject agitator, unnecessary mortar flows into ashcan;
In agitator, be in harmonious proportion mortar, removed bulky grain through vibrosieve Z again, then flowed into and holding slurry stirring pool XJ in the pumping plant factory building, be in harmonious proportion good mortar granularity smaller or equal to 3mm by slip casting requirement unit weight.
Booster station mainly comprises: medium lift pump or high-pressure pump B, hold compositions such as slurry stirring pool XJ and stable-pressure device W.Totally 7 of medium lift pump B now are equipped with in the pumping plant shown in Figure 3: 4 of TBW-1200/7B medium lift pumps, pressure 7MPa, plasma discharge amount 72m
3/ h.3 of TBW-850/50 medium lift pumps, pressure 5MPa, plasma discharge amount 51m
3/ h.
Feed pipe for mortar:
Feed pipe for mortar has 3: 2 of φ 114 * 7.37 pipelines, 1 of φ 140 * 7.72 pipeline.
Wherein, the configuration of medium lift pump or high-pressure pump and ash pipeline can increase or reduce as required.If grouting amount and slip casting intensity (unit interval grouting amount) that comprehensive coal face needs are bigger, in order effectively to ensure comprehensive coal face and the total grouting amount of other face, grout pipe line scarce capacity problem when effectively solving the slip casting simultaneously of adjacent two holes can re-lay the pipeline of a φ 114 * 7.37.Can also change the better stable-pressure device of voltage regulation result, weaken the impulse oscillation of grout pipe line.
In addition, booster station is equipped with instruments such as slurry flow, pressure and unit weight measuring instrument.
Feed pipe for mortar all is that two-way connects with being connected of each overlying strata separation layer grouting filling device.Wherein, the one tunnel is connected with the Grouting Pipe inner chamber, the one tunnel with Grouting Pipe and retaining wall pipe between cavity be connected.Make the inside and outside slip casting simultaneously of Grouting Pipe, the full section slip casting of whole like this boring helps improving grouting amount.
As shown in Figure 2, mine overlying strata separation layer grouting filling of the present invention system adopts multilayer position slip casting.Penetrate a plurality of absciss layers in the absciss layer band by an inlet well, A1～A5 totally five absciss layers arranged among the figure, be designed to can be simultaneously to the hole structure of a plurality of absciss layer slip castings.
Adopt the mode of continuous slip casting in the slip casting process.Be on the grouting process on the one hand, termination of pumping flushing line and boring no longer regularly is reliability and the employing multilayer position slurry injection technique by improving power supply, grouting pump, pipeline and pulp feeding system on the other hand, realizes the long-term operation continuously of mortar depositing construction.
In addition, adopt the full section grouting mode of the inside and outside slip casting simultaneously of Grouting Pipe, the full section slip casting of whole like this boring helps improving grouting amount.Under the condition of slip casting continuously, concentration of slurry can be brought up to 1.16-1.18g/cm
3
The above; only for the preferable specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.
Claims (10)
1. an overlying strata separation layer grouting filling device comprises Grouting Pipe, it is characterized in that, at the outside suit retaining wall of Grouting Pipe pipe, leaves cavity between Grouting Pipe and the retaining wall pipe, and retaining wall pipe bottom is placed with injected hole.
2. overlying strata separation layer grouting filling device according to claim 1 is characterized in that, described Grouting Pipe bottom also is placed with injected hole.
3. overlying strata separation layer grouting filling device according to claim 2, it is characterized in that, described retaining wall pipe is followed successively by unconsolidated formation well cementation section, basement rock retaining wall section, slip casting retaining wall section from top to bottom, wherein: basement rock retaining wall section is directly identical with slip casting retaining wall section, the diameter of unconsolidated formation well cementation section is greater than the diameter of basement rock retaining wall section, and the hole of arranging of described retaining wall pipe bottom is positioned on the slip casting retaining wall section.
4. overlying strata separation layer grouting filling device according to claim 3 is characterized in that, the upper limb of described basement rock retaining wall section is higher than the lower edge of unconsolidated formation well cementation section.
5. according to claim 3 or 4 described overlying strata separation layer grouting filling devices, it is characterized in that the diameter of described unconsolidated formation well cementation section is 190～250 millimeters; The diameter of basement rock retaining wall section and slip casting retaining wall section is 150～180 millimeters; The Grouting Pipe diameter is 70～120 millimeters.
6. overlying strata separation layer grouting filling device according to claim 5 is characterized in that, the diameter of described unconsolidated formation well cementation section is 219 millimeters, and the diameter of basement rock retaining wall section and slip casting retaining wall section is 168 millimeters; The diameter of Grouting Pipe is 108 millimeters.
7. according to claim 3 or 4 described overlying strata separation layer grouting filling devices, it is characterized in that the length of described unconsolidated formation well cementation section is 190～250 meters, the length of basement rock retaining wall section is 150～200 meters, the length of slip casting retaining wall section is 80～150 meters, and the length of Grouting Pipe is more than or equal to 400 meters.
8. overlying strata separation layer grouting filling system, comprise filling system, it is characterized in that, comprise that also at least one is as claim 1,2,3,4,5,6 or 7 described overlying strata separation layer grouting filling devices, overlying strata separation layer grouting filling device is located in the boring at the overlying strata place that needs filling, and be connected with described filling system by feed pipe for mortar, described boring penetrates a plurality of absciss layers in the overlying strata separation layer band.
9. overlying strata separation layer grouting filling according to claim 8 system is characterized in that, Grouting Pipe inner chamber in the described overlying strata separation layer grouting filling device and Grouting Pipe are connected with feed pipe for mortar respectively with cavity between the retaining wall pipe.
10. according to Claim 8 or 9 described overlying strata separation layer grouting filling systems, it is characterized in that the unconsolidated formation well cementation section in the described overlying strata separation layer grouting filling device, fill concrete between the hole wall of its outer wall and described boring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710061616 CN101021162A (en) | 2007-03-23 | 2007-03-23 | Overlying strata separation layer grouting filling device and grouting filling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710061616 CN101021162A (en) | 2007-03-23 | 2007-03-23 | Overlying strata separation layer grouting filling device and grouting filling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101021162A true CN101021162A (en) | 2007-08-22 |
Family
ID=38709034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710061616 Pending CN101021162A (en) | 2007-03-23 | 2007-03-23 | Overlying strata separation layer grouting filling device and grouting filling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101021162A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251760A (en) * | 2011-04-12 | 2011-11-23 | 邯郸市伟业地热开发有限公司 | Loose bed and bedrock layer mixed water-intaking and well-forming process for geothermal well |
| CN102705001A (en) * | 2012-05-25 | 2012-10-03 | 中国矿业大学 | Isolated-section two-hole split-layer grouting filling well location method for mining overburden rock |
| CN103147758A (en) * | 2012-05-25 | 2013-06-12 | 中国矿业大学 | Coal mining rate control method matching with isolated grouting filling of mining overburden zone |
| CN104062408A (en) * | 2014-07-08 | 2014-09-24 | 北京科技大学 | Layered grouting model test system |
| CN106014476A (en) * | 2016-05-20 | 2016-10-12 | 河海大学 | Overlying strata abscission layer grouting technology and device |
| CN106285775A (en) * | 2016-10-10 | 2017-01-04 | 江苏建筑职业技术学院 | Cover goaf filling under a kind of structures and expand bag and construction method |
| CN106958446A (en) * | 2017-06-01 | 2017-07-18 | 湖南科技大学 | A kind of strata movement of steeply-inclined seam mining and the control method of subsidence |
| CN110472273A (en) * | 2019-07-01 | 2019-11-19 | 中国矿业大学 | A kind of vertical absciss layer prediction technique of overlying strata |
| CN110630321A (en) * | 2019-10-29 | 2019-12-31 | 中冶沈勘秦皇岛工程设计研究总院有限公司 | Goaf on-well filling equipment and method thereof |
| CN110645044A (en) * | 2019-10-17 | 2020-01-03 | 中国煤炭地质总局勘查研究总院 | Grouting filling system |
| CN111396073A (en) * | 2020-03-25 | 2020-07-10 | 中煤新集能源股份有限公司 | Over-fault advance support method |
| CN112983549A (en) * | 2021-03-09 | 2021-06-18 | 中国矿业大学 | Overburden mining abscission layer dynamic development monitoring method |
| CN112983538A (en) * | 2021-04-02 | 2021-06-18 | 徐州中国矿大岩土工程新技术发展有限公司 | Coal mine goaf filling and grouting equipment |
| CN114183195A (en) * | 2022-02-15 | 2022-03-15 | 山东山矿机械有限公司 | Surface subsidence control grouting filling system based on separation layer distribution rule |
| CN115680761A (en) * | 2023-01-05 | 2023-02-03 | 山西冶金岩土工程勘察有限公司 | Multi-layer goaf subsection grouting treatment construction process |
-
2007
- 2007-03-23 CN CN 200710061616 patent/CN101021162A/en active Pending
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251760A (en) * | 2011-04-12 | 2011-11-23 | 邯郸市伟业地热开发有限公司 | Loose bed and bedrock layer mixed water-intaking and well-forming process for geothermal well |
| CN102705001A (en) * | 2012-05-25 | 2012-10-03 | 中国矿业大学 | Isolated-section two-hole split-layer grouting filling well location method for mining overburden rock |
| CN103147758A (en) * | 2012-05-25 | 2013-06-12 | 中国矿业大学 | Coal mining rate control method matching with isolated grouting filling of mining overburden zone |
| CN102705001B (en) * | 2012-05-25 | 2014-08-20 | 中国矿业大学 | Isolated-section two-hole split-layer grouting filling well location method for mining overburden rock |
| CN103147758B (en) * | 2012-05-25 | 2014-12-10 | 中国矿业大学 | Coal mining rate control method matching with isolated grouting filling of mining overburden zone |
| CN104062408A (en) * | 2014-07-08 | 2014-09-24 | 北京科技大学 | Layered grouting model test system |
| CN106014476A (en) * | 2016-05-20 | 2016-10-12 | 河海大学 | Overlying strata abscission layer grouting technology and device |
| CN106285775A (en) * | 2016-10-10 | 2017-01-04 | 江苏建筑职业技术学院 | Cover goaf filling under a kind of structures and expand bag and construction method |
| CN106958446A (en) * | 2017-06-01 | 2017-07-18 | 湖南科技大学 | A kind of strata movement of steeply-inclined seam mining and the control method of subsidence |
| CN110472273B (en) * | 2019-07-01 | 2021-04-16 | 中国矿业大学 | Overburden vertical separation layer prediction method |
| CN110472273A (en) * | 2019-07-01 | 2019-11-19 | 中国矿业大学 | A kind of vertical absciss layer prediction technique of overlying strata |
| CN110645044A (en) * | 2019-10-17 | 2020-01-03 | 中国煤炭地质总局勘查研究总院 | Grouting filling system |
| CN110630321A (en) * | 2019-10-29 | 2019-12-31 | 中冶沈勘秦皇岛工程设计研究总院有限公司 | Goaf on-well filling equipment and method thereof |
| CN110630321B (en) * | 2019-10-29 | 2024-05-17 | 中冶沈勘秦皇岛工程设计研究总院有限公司 | Goaf aboveground filling equipment and goaf aboveground filling method |
| CN111396073A (en) * | 2020-03-25 | 2020-07-10 | 中煤新集能源股份有限公司 | Over-fault advance support method |
| CN112983549A (en) * | 2021-03-09 | 2021-06-18 | 中国矿业大学 | Overburden mining abscission layer dynamic development monitoring method |
| CN112983549B (en) * | 2021-03-09 | 2021-10-26 | 中国矿业大学 | Overburden mining abscission layer dynamic development monitoring method |
| CN112983538A (en) * | 2021-04-02 | 2021-06-18 | 徐州中国矿大岩土工程新技术发展有限公司 | Coal mine goaf filling and grouting equipment |
| CN114183195A (en) * | 2022-02-15 | 2022-03-15 | 山东山矿机械有限公司 | Surface subsidence control grouting filling system based on separation layer distribution rule |
| CN115680761A (en) * | 2023-01-05 | 2023-02-03 | 山西冶金岩土工程勘察有限公司 | Multi-layer goaf subsection grouting treatment construction process |
| CN115680761B (en) * | 2023-01-05 | 2023-04-07 | 山西冶金岩土工程勘察有限公司 | Multi-layer goaf subsection grouting treatment construction process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101021162A (en) | Overlying strata separation layer grouting filling device and grouting filling system | |
| CN108060908B (en) | Long-distance horizontal directional drilling and grouting reinforcement process for water-rich sand layer under building group | |
| CN101575983B (en) | Directional fracturing permeability improvement outburst elimination method in coal mine and device thereof. | |
| CN103924945B (en) | The high-pressure slip-casting technique of rich water weathering fissures rock stratum under the Moderate and Thick Unconsolidated Formation of colliery | |
| CN103628912B (en) | The construction method of filling grouting is processed in a kind of goaf | |
| CN103256025B (en) | A kind of composite well net type coal bed methane exploring method | |
| CN110671145A (en) | Large-mining-width thick coal seam mining composite grouting method | |
| CN105240047A (en) | Filling reinforcement method for managing underground mined area of open-pit mine | |
| CN107288657A (en) | The weak cementing rock mass seepage failure area slip casting integrated control method of top of underground | |
| CN107100625B (en) | Overlying strata water filling filling, which reduces, leads high water retaining mining method | |
| CN101929340A (en) | Coal mine underground flat inclined tunnel pipe shed pre-grouting advance support construction process | |
| WO2019105162A1 (en) | Microbial modification filling-based coal mining method | |
| CN111075478A (en) | Pre-grouting reinforcement process for ground construction of broken belt of excavation working face structure | |
| CN104775787A (en) | Hydraulic fracturing crossing hole pitchup hole sealing method of broken surrounding rock | |
| CN105351001A (en) | Gas extraction method for region reinforcement of gob-side entry retaining | |
| CN110939404A (en) | Hydraulic joint cutting pressure relief device and method for coal mine tunnel broken surrounding rock roof | |
| CN112343560A (en) | Fracturing and sand prevention combined process method for exploiting low-permeability reservoir natural gas hydrate | |
| CN114233385B (en) | Treatment method for mud-bursting water of inclined shaft | |
| CN113339058A (en) | Fluidized gangue layer adjacent surface subsequent filling system and method | |
| CN107313788B (en) | The method and device of grouting for water blocking under strong hydraulic connection | |
| CN112610249A (en) | Method for preventing and controlling water damage of mine bottom plate under high-pressure-bearing flowing water condition | |
| CN105134069B (en) | One kind is related to gas vertical and passes through the anti-well method construction technology in strong rich water rock stratum | |
| CN105134125A (en) | Construction process for blocking bottom end of annular space behind gas vertical well wall | |
| CN116357383A (en) | Multi-layer-multi-angle old goaf grouting filling method | |
| CN114233374B (en) | Ground grouting construction method for reinforcing cavity collapse area of inclined shaft after mud burst and water burst |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |