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- Joint Roughness Coefficient (JRC ) is an equivalent index which describes mechanical effect of rock joint surface angle of ascent. JRC是反映爬坡角力學(xué)效應的巖體結構面表面形態(tài)等效描述指標。
- The amplitude frequencies and distribution interval of power spectrum density of road surface depend on the roughness coefficient. 路面不平度系數的大小決定了幅值頻次和路面功率譜密度的分布區間。
- This paper analyzes the roughness coefficient of the downriver section in Wutong River,basing on the practical survey flood imprint materials in 1994. 采用1994年實(shí)測洪痕資料對梧桐河下游段糙率系數進(jìn)行了分析。
- A simplified model based on drag concepts is developed to evaluate the roughness coefficient for unsubmerged vegetation. 并基于阻力的概念，建立了一個(gè)簡(jiǎn)化的模型來(lái)估計菖蒲的曼寧糙率系數。
- It is also found that, when the water depth is fixed, the Manning roughness coefficient increases as the longitudinal pier spacing increases up to approximately the pier width. 值得一提的是，當水深維持不變時(shí)，曼寧粗糙系數也會(huì )持續增加直至縱向基樁間距與其寬度相同為止。
- This paper first reviews the various methods for determining the joint roughness coefficient (JRC) of rock masses. These include Barton profile method, direct investigation method, roughness parameter method,size range rate method,and telescopic method. 本文首先評述了現有確定巖體結構面粗糙度系數JRC的各種方法;如Barton經(jīng)典剖面法、直接量測法、表面粗糙參數法、伸長(cháng)率法、幅度法等.
- After that,the authors take Beishan of Gansu province for the HLW disposal area as the example,and measure the joint roughness coefficient(JRC) of surface rock mass and cores of borehole. 文章評述了現有巖體結構面粗糙度系數(JRC)的各種測定方法及存在的問(wèn)題,分析了在高放廢物處置庫預選場(chǎng)址甘肅北山花崗巖地區,用"簡(jiǎn)易縱剖面儀"進(jìn)行地表巖體及鉆孔巖心裂隙結構面JRC的測量結果。
- Roughness of the skin can be caused by bad diet. 飲食不好可能引起皮膚粗糙。
- Roughness coefficients are closely related to Reynolds number,but the tendencies are quite different. 在坡度較緩的坡面上，阻力系數隨雷諾數的增大而減小。
- equivalent roughness coefficient 等值糙率系數
- Manning ' s roughness coefficient 糙率系數
- Manning' s roughness coefficient 糙率系數
- Darcy-Weisbuch roughness coefficient 達西-韋斯巴赫糙率系數
- The Manning roughness coefficients for the multi-pier are evaluated for the various cases of longitudinal and lateral pier spacing and water depth. 對于不同形狀的多排基樁及其配置的水力試驗,該試驗結果仍然可用于計算隧道排水系統的排水能力,進(jìn)而可總結出一條經(jīng)驗公式。
- The roughness coefficients are inverse proportional to Reynolds number on gentle slopes, and on the contrary,they are direct proportional to Reynolds number on steeper slopes. 在坡度較陡的坡面上，由于水流侵蝕作用強度的變化及重力影響作用的漸趨顯著(zhù)，阻力系數又會(huì )隨雷諾數的增大而變大。
- This rough track will soon be a metalled road. 這條坑坑洼洼的路不久就要鋪上碎石了。
- The ship pitched and tossed in the rough seas. 輪船在洶涌澎湃的大海中起伏顛簸。
- This car really comes into its own on rough ground. 這輛汽車(chē)在顛簸的路上才真正顯示出它獨特的性能。
- The cart bumped along the rough road. 運貨馬車(chē)沿著(zhù)崎嶇不平的道路顛簸而行。
- Could you give me a rough idea when you'll be back? 你能告訴我你大概什么時(shí)候回來(lái)嗎？
