爆破應力 的英文怎麼說
中文拼音 [bàopòyīnglì]
爆破應力
英文
burst stress- 爆 : 動詞1. (猛然破裂或迸出) explode; burst 2. (放在滾油里快炒) quick-fry
- 破 : Ⅰ動詞1 (完整的東西受到損傷) be broken; be damaged 2 (使損壞) break; break down; damage 3 (使...
- 應 : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 爆破 : blow up; blast; burst; demolish (by explosives); detonate; explode; dynamite
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It make the principle formula become simpler and more practical. by the attenuation regulation and distributing character of stress wave under the linear charge blasting, the paper bring forward the idea that the columniation stress wave can be regarded as cylinder stress wave, the end stress wave as spherical wave. the perfect stress attenuation formula in radical direction is established in complete elastic medium
根據條形藥包爆破應力波分佈特徵及衰減規律,提出了可將條形藥包爆破柱部應力波當作柱面波、端部應力波當作球面波處理的研究方法:建立了理想的完全彈性介質中球藥包和條形藥包爆破徑向應力衰減方程。Present situation of research on propagation of blasting stress wave and rock fragmentation effect in remote area
爆破應力波的傳播及其遠區破壞效應研究現狀述評On the basis of modern blasting theories, the moving process of explosive stress field of multi - row and simultaneity is analyzed and the characteristics of stress field inspired by equivalent effect cell of globosity charge in cylindrical charge structure are considered. thus energy distributing equation of detonator explosion is established and the explosive energy utilizing rate factors are known. so the moving process model of the hole filling is constructed and the equation of calculating reasonable filling length is produced
本文在現代爆破理論的基礎上,分析了多排同段爆炸應力場的作用過程以及柱狀裝藥結構中等效單元球狀藥包所激發的應力場特點,建立了炸藥爆炸能量分佈方程,明確了影響爆炸能量利用率的因素,構建了炮孔充填物運動過程模型,得出計算合理充填長度方程。Calculation of dynamic response of seism in dam blasting
大壩爆破地震的動力響應計算Due to exceedingly flat arched vault of the flat tunnel with outsized span and renewed stress allocation in surrounding rock after excavation, which would inevitably induce some excessively large load on the base of arch, therefore, larger load - bearing capability in the is " foundation is a must. on the other hand, smooth face explosion must be applied to excavation of the arch base to further ensure the integrity and continuity of country rock around tunnel
特大跨超淺埋隧道拱部結構過于扁平,開挖后發生二次應力分佈,拱腳處的應力過大,要求有較大的地基承載力,拱腳開挖時必須採用光面爆破,保證圍巖的完整性和不受擾動,開挖后及時封閉,防止該處積水軟化圍巖。The stress distribution of the back bearing pillar in blasting demolishing reinforced concrete frame structures
鋼筋混凝土框架爆破拆除時后承重柱的應力分佈It also expounds the advantages of mixed loading explosive exploding. at the same time, the lateral and bottom fractural range of bench shooting in deep - hole of rock are tested, analyzed and calculated
同時對爆破產生的應力波、爆生氣體對巖石爆破破巖的影響也作了介紹,並分析了巖石力學性質與可爆性之間的關系。According to the stress wave theory on explosive exploding propagating in the rock, it builds up mathematical model of fractural ranges in the rock, and carry out actual calculation and analysis on fractural range of bench shooting in deep - hole. as a result of calculation, the lateral and bottom fractural range are about 1. 9m
根據炸藥爆炸在巖石中傳播的應力波理論,建立巖石爆破破裂范圍數學模型,並對深孔梯段爆破破裂范圍進行了實行計算分析,計算結果為:混裝乳化炸藥巖石深孔梯段爆破側向底部破裂范圍為1 . 9m 。( 2 ) taking the geology analysis as main way and combining the pre - test, predicating the tunnel ' s main geology condition ( rock quality, surrounding rock classification, long - wide joint, fault, ground water, crustal stress ), and predicating the main potential disaster ( collapse, breaking water, rockburst, large deformation ) ( 3 ) employing the stress test result and inverse analysis of the stress field, finding out the crustal stress " s distributing rule along the tunnel axes section : the highest crustal stress is 24mpa near the deepest spot, and predicting that the k2 + 260 ~ k3 + 000 likely to be the high crustal stress segment for this tunnel
通過地質分析、類比分析、監控量測、數值模擬、神經網路等方法,對鷓鴣山隧道潛在的主要地質災害(塌方、涌水、巖爆和大變形)進行了預測預報( 3 )在現場地應力測試成果的基礎上,運用數值計算進行應力場反演,基本查明了沿隧道軸線剖面的地應力分佈規律:地應力量級在最大埋深附近達到最大值24mpa ,並預測k2 + 260 k3 + 000段將很可能成為鷓鴣山隧道的高地應力段。 ( 4 )塌方往往與斷層破碎帶及千枚巖相聯系。Abstract : the paper analyses the loads acted on the concrete plug while the rock plug blasting, and introduces the stress and stability of the concrete plug acted by the load of underwater rock plug blasting
摘要:文章對巖塞爆破時作用於堵頭上的荷載進行了分析,介紹了混凝土堵頭在巖塞爆破荷載作用下的應力和穩定情況。In this paper, the state of the art of the engineering controlled explosion and the finite element method ( fem ) are reviewed. in order to analyze and simulate the demolishment of frame - structured buildings due to controlled blasting, the method of killing or activating elements, a high level technique in fem, and the special element - solid65 are introduced to the blasting field first in china by the author
本文回顧和總結了工程式控制制爆破和有限單元法的發展歷史及其研究現狀,在國內首次把單元生死法這一有限元高級處理技術和ansys軟體中特有的solid65單元引入到爆破拆除工程領域,用其進行框架結構樓房爆破拆除的計算機模擬,探討了構件在完全破壞前的應力、應變、裂縫生成和塑性鉸形成位置。A demolition controlled blasting inside a factory
低矮柔形橋墩及預應力箱梁控制爆破Fractal characteristics of fracture network i n rock - mass
巖體節理裂隙對爆破應力波阻隔作用的試驗研究Experimental study on distribution character of blasting stress when boreholes with water - couple charge
炮孔水耦合裝藥爆破應力分佈特性試驗研究This paper is on the basis of analysedding and summarized that these projects were blown up and tested materials in the past, use fracture mechanics, the dynamics blast theory and finite element analytical method, have carried on the system, detailed analysis and describes to this kind of method of blasting, proving theoretically that can cut the base rock effectively in this kind of method of blasting, reduce base blowing up stress value inside the rock, play and protect underpart base rock blow up into the function influenced in vibration, and blew up mechanism and analysed the main influence factor blown up according to it, had put forward the rational optimization measure to the relevant parameter when implementedding and blown up
本文在分析總結以往這些工程爆破試驗資料的基礎上,運用斷裂力學、爆破動力學理論及有限元分析方法,對這種爆破方法進行了系統、詳細的分析及論述,從理論上證明此種爆破方法可以有效地切割基巖面,降低基巖內部的爆破應力值,起到保護下部基巖不受爆破振動影響的作用,並根據其爆破機理分析了爆破的主要影響因素,對實施爆破時的相關參數提出了合理的優化措施。( 三 ) under the dynamic load of the explosion, the numeric analysis has been done and achieve the rule as follow : ( 1 ) when the frequency of vibration is 0. 3hz, the acceleration of the slopes top gets the maximum ; so 0. 3hz is believed the natural frequency of the slope as a whole ; ( 2 ) the vibration of explosion can been magnified because of the condition of the landform, when the relative altitude is up to 45m, the acceleration of horizon gets the maximum ; when the relative altitude is up to 100m, the absolute value of acceleration and the deformation of horizon is larger than that in the bottom of the slope ; ( 3 ) in the period of forced vibration, at the top of the slope, the acceleration of horizon become larger and larger ; at the middle part of the slope, it becomes smaller ; ( 4 ) when the explosion velocity of is much little, the shallow part destruction is the primary deformation of the slope
(三)採用模態疊加法針對爆破動力作用,進行邊坡的動力響應分析,得出了以下結論: ( 1 )振動頻率為0 . 3hz時,坡面頂部水平向加速度峰值最大;綜合考慮,可認為該邊坡的自振頻率為0 . 3hz左右; ( 2 )地形對爆破地振動存在放大作用,研究剖面的坡面,水平向加速度及位移在地形相對高差45米左右最大,而後隨相對高差的增高而減小,相對高差為100米時,水平向位移及加速度絕對值均大於坡腳; ( 3 )強迫振動段,水平向加速度值隨時間變化的規律為:坡頂節點總的變化趨勢是越來越大,而坡體中部節點的變化趨勢是越來越小; ( 4 )當爆破振速較小時,變形破壞的形式表現為坡頂表面滑塌型。In quantitatively analysis including process of loading and stress distribution along the body of a chimney, load of blasting vibration induced by the forming of blasting cut was analyzed and the premature rupture of upper chimney was certainly affected by it
將ansys5 . 7瞬態動力學分析引入爆破動力計算中,定量分析研究了在切口形成時的爆破振動荷載下,整體結構受力過程及應力分佈規律。The quasi - static damage stage under the quasi - static stress field produced by gas from explosion. finally, the general model for blasting damage and fracture is gained. in the thesis, a gas - driven fracture propagation and damage localization at the crack tip model during explosion products are proposed
根據爆炸力學,將巖石的爆破損傷分為兩個階段來研究,第一階段為爆炸應力波作用下的動態損傷階段,第二階段為爆生氣體靜態壓力場作用下的損傷階段,最終得出了巖石在爆破作用下的爆破損傷斷裂全過程演化模型。Blasting stress wave of bedded composite rock spread rules and rock damage situations are studied. the inflection of manner and structure of detonation of pre - splitting and step blasting on blasting effect have been studied
分析了層狀復合巖體中的爆炸應力波的傳播規律和爆破前後巖體損傷狀況,並研究了層狀復合巖體中預裂爆破和臺階爆破技術的裝藥方式和裝填結構對爆破效果的影響。( 3 ) the blasting stress wave reflects and transmission rules of blasting stress wave have been found. based on rules and damage principal equation of rock, damage principal equation of bedded composite rock has been built. the conclusions of rock damage produced by blasting stress wave and denotation vapor have been educed
( 3 )推導了爆炸應力波在層狀復合巖體中反射和透射的規律,並根據巖體的損傷本構關系,建立了層狀復合巖體爆破損傷本構關系,得出了巖體損傷是由爆炸應力波及爆生氣體共同作用的結論。分享友人