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<table border="0" cellpadding="3" cellspacing="1" width="100%" class="forumline"> <tr> <th class="thCornerL" width="22%">Autor</th> <th class="thCornerR">Wiadomość</th> </tr> <tr> <td width="22%" align="left" valign="top" class="row1"><span class="name"><a name=""></a><b>defgf10aj</b></span></td> <td class="row1" valign="top"><table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="100%"><img src="http://picsrv.fora.pl/Elveron/images/icon_minipost.gif" width="12" height="9" alt="Post" title="Post" border="0" /><span class="postdetails">Wysłany: Czw 16:46, 04 Lis 2010<span class="gen"> </span> Temat postu: Jinshandian Iron caving to pressure testing techn</span></td> </tr> <tr> <td colspan="2"><hr /></td> </tr> <tr> <td colspan="2"><span class="postbody">Jinshandian Iron caving to pressure testing technology <br /> <br /> <br />- Ga Tu Emirates funeral Xinjiang as exclusion. Cracking resistance of the convergence is smaller. It is, a view shed hoppers accumulated data convergence analysis of the value of labor into Dan i ,15-I Huang Qiang Xiao Xi meals such as wings have sprinkler coagulation associated with the formation of a r-shaped support of State capacity is more, f,. * The loss of supporting capacity of instability Ha ballast tube dance bolt myeloid f) temporary support of the supporting strength is not her husband, supporting Results deformation capacity than the private jet J Bolt (mortar anchor) network structure of small, pure powder reed IJ ? No data show that the measuring point. Temporary summer care cracking damage, the total convergence value is only 24.36ram, and then gradually sloughing roadway transportation, and chips. When the accumulated value reaches convergence 53.0imm right. Temporary support 『spray shop almost lost support thrust capacity L 4, and the case of fixed-port out of mine when the ore mined. Convergence at the mine mouth deformation and speed increased significantly, according to Bian ulterior mineral powder to give way in the test results indicated. Fixed port and back out of mine when the ore mined, the ore near the mouth of the convergence of approaches have significantly increased deformation of the basket. Ore mined in the back reaches a maximum, which clearly show that extended back to the great impact of the lost stability. Table 3 changes in the average convergence speed. Table 3 at different times the average mine mouth, animal husbandry, the degree of convergence fmm, 4 guillotine dots back to the mouth of the mine scheduled to rhyme with the given port when a mine out of mine when I messy Levin!? 0.0 scorpionfish 03080574l5 ? at a 0.175029 0363i6l00590.09203】 9 ±, 9 Park {4005, on the lower plate Fault Zone in the mined ore to the process of slip direction l Nang. Fault at the convergence of a large deformation in the fault block structure with kicking l ore, fine ore skarn and other contacts with the Department of occurrence consistent with the mineral occurrence Xing. When the mine mouth started out mine, the fault zone on the plate with a clear direction to the gob slip trend. Such as 19V for a _: No measurement points are located at both ends of the fault zone plate and lower plate, when the test when you hear of II9 days, fixed mouth started out mine, this time a total convergence of 4.74mm in the mine during the fault zone forward slip disc, although the roadway is still gradually converge, but this is the convergence value of the uniform negative. And growing. I3 heard of the test days, the total convergence value has reached a 9.02ram. Figure 2a. Fault Zone in the same 18 -; one? No. measuring point at both ends of the hanging wall fault zone, in the mining process. When measured at both ends of the Secretary of ammonia slip forward, so when the time convergence of values are positive, and in the mine after the increasing trend. Figure 2b. 6, the tunnel test results of the internal displacement j) 17 into the orange block of Tunnel Road, 1 and 2 in the fault zone at the uneasy convergence of Figure 2 changes ,,,,], a,,;, 0 ●, S-i project I. s 02 light embarrassed. 0.5 indigo vase Ol10 static design and construction of the wall of gold mining in 1994, 2 0501O0150I (d) (b) 3 powder Roadway store the displacement in the test results 501O0fa02 Who H2, n Qiang day. 1 vase of a 1 (Llm) Canal, then k. Ding 1.02OL (m) prince Yu 4, the disk test results of rock moving roadway displacement meter test results show that the diagram shown in Figure 3, holes in the orifice of the measuring point relative to the point of displacement has increased over time, the growth trend in the the process of fine ore mine the ongoing internal displacement of Fei River Lane. Absolute displacement at the tunnel side of the help the most. Farther away from the side to help the smaller the absolute displacement, 2m away from the orifice of the two displacement meters at the absolute displacement values were 0.6ram and 0.71mm, it says Lane E at Meng} mine was a loose circle thicker than 2m . 2) in 14 plate rocks into the road tunnel under the 3 and 4 in the extravagant terms of the test results shown in Figure 4. It can be seen from the rocks in the roadway under the plate to help measure the relative displacement of the internal pull small, the relative displacement of the base _ served over time to vote have changed. 7, the bolt axial force measurement test results to the three anchor bolt axial force measured, and bolt out the depth of the curve in Figure 5. I4 l measuring points in the disk blocks the road into the mineral powder, 2 measuring points in the tree of disk blocks l6 ore into the road, 3 of 21 measuring points in the disk into the rocks on the road. Visible from the prince Yu 5. Bolt axial force in the very near 0.4m away from the orifice, at 51.25-76.25kN, and with the increase of hole probe gradually decreased; from the axial force;] measured values of view, axial force is still relatively small. Bolt still in the stage of elastic force. Prince Yu 5 bolt axial force and the amount of shaved hole depth curve V. The practical conclusion that the mine blocks to pressure test results and field investigation results of macro consistent pressure. The stage of pressure test results for the stope support, pull the bottom out of mine blasting and mining processes such as providing useful data, and progressive development in the production process, the implementation of a controlled pressure engineering measures, including moving Jing, to ensure safety in production. Practice has proved that the broken ore orange soft conditions to pressure test site is a very important task. 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