seam section 中文意思是什麼
seam section
解釋
全層煤柱-
According to differences of construction process, boundary condition, temperature and stress of two schemes extending 3m deep short seam on upstream face in the middle of rcc overflow section and no short seam are calculated, what " s more, in this paper the equivalent line drawing of stable temperature field and unstable temperature field during construction and operation period and the duration curve drawing of typical points " s temperature and stress are plotted, and the results of peak and minimum on temperature in every month and maximum on tensile stress are attained
根據施工過程和邊界條件，對溢流壩段中間上游面增設3m深短縫和不設短縫兩個方案進行了溫度和應力計算，並繪制出穩定溫度場等值線圖及施工期、運行期非穩定溫度場等值線圖，典型點溫度和應力歷時曲線圖，逐月最高、最低溫度和最大拉應力及相應位置等成果。 -
The effect of overburden separation dynamic development under key stratum on grouting for bed separation space was analyzed, in order to deal with the problem that the current bed separation growing technology can not prevent the key stratum from breakage, put forward the isolated section - grouting technology for overburden bed separation space, integrated the virtue of growing for bed separation space and partial extraction, the bed separation grouting bodies, key stratum and isolated section pillars were made to constitute the load - carrying body all together, and to reach the purpose of reducing subsidence effectively, increase the coal seam extraction ratio, and accelerate the development of isolated section - growing technology for overburden bed separation space
摘要分析了關鍵層下離層動態發育對離層充填的影響，針對目前離層區充填工藝不能阻止覆巖關鍵層初次破斷的問題，提出了「覆巖離層分區隔離注漿充填」技術，它綜合離層充填與條帶開采技術的優點，通過離層區充填置換或減小分區隔離煤柱寬度，使「離層區充填體關鍵層分區隔離煤柱」形成共同承載體，從而達到有效減緩地面沉降的目的，提高了煤層采出率，促進了覆巖離層充填減沉技術的發展。 -
The construction methods and caving protection measures for punching high thick and loosen soft coal seam in luling coal mine no. 2 dark tilt well in huaibei coal mine area are introducded. they include small section enlarged after the heading caving, high negative pressure and multi - raw drilling holes and strenous drawing - off, concentrated cross drill holes, cutting while drawing - off and putting the metal frame away
介紹了淮北礦區蘆嶺煤礦2主暗斜井採用小斷面導硐后刷大、高負壓多排鉆強抽，密集交叉鉆孔邊掘邊抽及設置金屬骨架施工方法和防突措施揭穿高突特厚松軟煤層。 -
Bolt support technique for large section with top - coal caving mining in three - soft seam roadway
綜放大斷面三軟煤巷錨桿支護技術 -
Analysis of caculation results demonstrates that x of temperature stress and ensembled stress on upstream face of dam section will reduce after 3m deep short seam is extended on upstream face in the middle of dam section, however y and z do n ' t vary
計算成果分析表明：在壩段中間上游面設3m深短縫后，壩段上游面溫度應力、綜合應力x減小，而y 、 z變化不大。 -
According to the study on athrogene grouth state, chengzihe growp middle and down section are divided into subsection, which is reference for stratum judgement and coal seam comparison in later geology exploration
通過對火山碎屑巖發育情況的研究，重新對城子河組中下段劃分亞段，為後期勘探時地質判層及煤層對比作參考。 -
We design a system of underground pipeline for cad in the thesis, we design underground pipeline ' s database structure and solve three problems : graph and attribute ' s management, underground pipeline ' s seam, drawing section
論文詳細設計了地下管線的數據結構，著重解決了三個問題：管線圖形屬性信息的一體化存貯、管線無縫數據庫的建立和管線剖面圖的繪制。 -
Practice of bolt - beam - mesh support for large - section open - off cut in thick coal seam
厚煤層大斷面開切眼錨網梁支護實踐 -
Dynamic tendency and eme critical value of seam and rock in deep mining section
電磁輻射測定深部煤巖動力傾向性臨界值 -
Coals are removed from circular seam of silo so that material section is increased and silo coal blockage is reduced
採用環式縫隙出煤，增加物料出口截面，改善筒倉蓬煤堵煤現象。 -
Support technology for large cross section roadway driving along next goaf in fully mechanized sub - level caving face in high stress three - soft seam
高應力三軟煤層綜放大斷面沿空掘巷支護技術 -
Stainless steel seamless tube / pipe is a kind of long rolled steel products ， which have hollow section ， and the peripheral have no seam
無縫鋼管即是一種具有中空截面、周邊沒有接縫的長條鋼材。
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