煤
煤
매
COAL
2014年
7期
11-13
,共3页
复合顶板%煤巷支护%FLAC3D数值模拟%锚杆锚索
複閤頂闆%煤巷支護%FLAC3D數值模擬%錨桿錨索
복합정판%매항지호%FLAC3D수치모의%묘간묘색
compound roof%coal roadway supporting%FLAC3D numerical simulation%anchor bars
利用 FLAC3D对复合顶板煤巷分别进行无支护和有支护条件的数值模拟。通过对无支护条件下的模拟过程及结果的分析，得出了围岩应力变化规律及巷道变形控制理论，提出了针对复合顶板煤层巷道的锚杆锚索联合支护方案，通过进一步的数值模拟分析，证明该方案具有良好的支护效果。此结果可以为复合顶板煤层巷道支护提供设计依据。
利用 FLAC3D對複閤頂闆煤巷分彆進行無支護和有支護條件的數值模擬。通過對無支護條件下的模擬過程及結果的分析，得齣瞭圍巖應力變化規律及巷道變形控製理論，提齣瞭針對複閤頂闆煤層巷道的錨桿錨索聯閤支護方案，通過進一步的數值模擬分析，證明該方案具有良好的支護效果。此結果可以為複閤頂闆煤層巷道支護提供設計依據。
이용 FLAC3D대복합정판매항분별진행무지호화유지호조건적수치모의。통과대무지호조건하적모의과정급결과적분석，득출료위암응력변화규률급항도변형공제이론，제출료침대복합정판매층항도적묘간묘색연합지호방안，통과진일보적수치모의분석，증명해방안구유량호적지호효과。차결과가이위복합정판매층항도지호제공설계의거。
This paper separately made support and unsupported conditions of numerical simulation by using FLAC3D on composite roof of coal lane. It made simulation process and results analysis under the unsupported condition,it obtained the change rule of surrounding rock stress and roadway deformation control theory,it proposed bolt anchor cable combination supporting scheme in view of the com-pound roof of coal seam roadway,it made numerical simulation analysis by further,proved that the scheme has good supporting effect. This result can provide a basis for design in compound roof coal roadway support.
