爆裂紋 的英文怎麼說
中文拼音 [bàolièwén]
爆裂紋
英文
fire cracks-
= " jw33 fragmentation grenade. cast iron construction with raised waffle pattern. ? granular tnt filler provides for a powerful, highly lethal blast radius.
" jw33爆裂榴彈。帶有發泡網格花紋的鑄鐵質地。由顆粒狀的tnt填充，爆炸半徑很大，極具殺傷力。[ enstr ] = " jw33 fragmentation grenade. cast iron construction with raised waffle pattern. ? granular tnt filler provides for a powerful, highly lethal blast radius.
" jw33爆裂榴彈。帶有發泡網格花紋的鑄鐵質地。由顆粒狀的tnt填充，爆炸半徑很大，極具殺傷力。Most of the dynamic process data in the solid material, such as the dissemination of stress waves, the fold of stress waves, and the interaction of crack and stress waves can be acquired directly by the dynamic photoelasticity experiment
動光彈實驗能直接獲得固體介質中應力波的傳播、疊加以及裂紋與應力波相互作用的動態過程，可真實反映爆炸過程的信息與規律。This paper aims at the characteristics of thermal response of lpg vesse1 under high temperatue, conjoining the project of " study on transportation safety early - wdring system of lpg dangerous goods " supported by transportation departinen of china and the project of " mechanism study and numerical simulation of the explosion of lpg vessel " supported by science foundation of hubei province. the interdisciplinary research has been done among temperature field distribution of lpg vessel under flame surroundings, intensity calculation, crack propagation predication and mechanism of explosive accident, etc. three parts are analyzed and discussed
本文針對高溫環境下液化氣壓力容器的熱響應特性問題，結合交通部重點科技項目「液化氣體類危險品運輸安全預警系統的研究」和湖北省自然科學基金項目「液化氣容器爆炸機理研究及數值模擬」 ，對在火焰包圍下的液化氣壓力容器的溫度場分佈、強度計算、裂紋擴展預測以及爆炸事故機理等方面開展了多學科的交叉研究。And with the introduction of the modulus of elasticity from budiansky method, the general damage model of rock blasting is established in the paper. by use of the ultrasonic wave, rock damage and fracture mechanism and the fragmentation process during blasting are studied, and the theory presented in the paper has been proven
運用超聲波等手段對巖石爆破損傷斷裂機理和破壞過程進行了試驗研究，分析了不同爆破條件下巖石內部微裂紋的擴展規律、損傷演化和巖石破碎規律，驗證了本文理論部分的正確性。Varieties of dynamic intensity factors in the crack - tip field, extensions of cracks going through the joint planes for different distances between hole and joint were analyzed especially under the condition that the initial cracks and joint planes had different separation angles
實驗結果分析表明，爆生裂紋穿過節理面時，裂紋尖端的動態強度因子和裂紋擴展速度顯著下降，穿過節理面后，強度因子又增強；裂紋穿過節理面時，裂紋會沿節理面偏離一段距離后沿原方向繼續擴展。Experiment study of high - speed photography of crack development in fracture control blasting
斷裂控制爆破裂紋擴展的高速攝影試驗研究2 ) the effects on waves conversion are stronger in rocks with dry fractures than that in rocks with water - filled fractures, and s - waves attenuate more rapidly in rocks with water - filled fractures. 3 ) the explosive point source which locates in anisotropic media can excites not only p - waves but also s - waves. 4 ) the properties of waves propagation were discussed and compared for several point sources with different source functions
結果表明： 1 ）平行排列裂縫造成的各向異性使波前變寬； 2 ）含乾裂縫巖石對波型轉化的影響比含充水裂縫巖石的大，橫波在含充水裂紋中傳播時衰減較快； 3 ）當介質存在各向異性時，爆炸點源產生的波不僅有縱波，還有橫波； 4 ）通過改變點源函數研究不同點源所產生波以及波型的轉換。At first, the author has analyzed the theory, mechanism and shock - absorption in pre - split blasting, studied the rising of crack, expanding and stopping, and did various factors which influence on the crack of rock in pre - split blasting. the main factors have been determined to be the strength of mineral and rock, the diameter of drill, the type of explosive and the growth degree of crack. then, the author has researched bp neural networks " work principle, structure and defectiveness
首先分析了巖石成縫的理論、機理和減震作用，研究了裂紋的起裂、擴展和止裂；分析了各種因素對巖石預裂爆破成縫的影響，確定了礦巖強度、孔徑、炸藥類型和裂隙發育程度作為主要影響因素；並研究了bp神經網路工作原理、結構和缺陷，把改進的bp神經網路運用在巖石預裂爆破參數設計中，建立以礦巖強度、孔徑、炸藥類型和裂隙發育程度為主要影響指標的bp神經網路的預裂爆破參數設計識別模型；運用matlab6 . 5語言開發了爆破參數設計的智能系統，實現了預裂爆破參數設計的自動化，用工程實例驗證系統模塊的功能。The direction of crack in rock can be well controlled towards a special way by notched directional splitting controlled blasting
切槽定向斷裂控制爆破可使巖石沿特定的方向破裂，裂紋方向性好，產生的經濟效益非常明顯。分享友人