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- Solving the corresponding differential equation, an analytical solution for the surface crack width of concrete covers is derived. 通过求解相应的微分方程，导出混凝土保护层表面裂缝宽度的解析解；
- surface crack width 表面裂缝宽度
- Image Analysis Method on Surface Cracking Width Based on Digital Optical Test 基于数字光测的表面裂缝宽度图像分析法
- All of these tests are used to detect surface crack discontinuities. 所有这些测试是用来检测表面裂缝不连续性。
- Viscosified acid has been shown to provide wider crack width and improved acid retardation over that from thin fluid when used in carbonate acidizing. 巳被增稠的酸显视出较宽的裂缝和更好的酸阻滞性能,这就比稀酸液用于碳酸(盐)的酸化效果更好。
- It shows that finite element analysis could replace experiments to study the crack width of reinforced concrete beams in a way. 说明有限元分析在某种程度上可以代替试验对钢筋混凝土梁裂缝宽度进行研究分析。
- Based on the experimental research, a method to calculate the ultimate bearing capacity, the short-term stiffness and the crack width is put forward. 在试验研究的基础上，给出了缓粘结预应力混凝土梁的极限承载力、短期刚度及裂缝宽度的计算方法。
- The maximum pressure in crack tip increases with an increase in pressurization rate and decreases with increase in crack width. 裂纹尖端压强与裂纹入口压强比的最大值也受增压和几何条件的影响，增压越大，裂纹越窄，该压强比越大。
- No stress measurements or crack surface samples were available for examination, only the surface crack configuration. 没有应力测量或裂纹表面取样可用于检验，只能依据表面裂纹图形。
- In addition, contrasted in the experimental foundation has analyzed presently about the composite beam hogging moment area crack width formula. 此外，在试验的基础上，对比分析了现行关于组合梁负弯矩区裂缝宽度的计算公式。
- A study of the surface crack at thread root of tool joint pins by the aid of finite element method. 石油钻杆公接头螺纹牙根部表面裂纹有限元计算
- Surface crack on teethclamp was studied by means of macroscopic and metallographic examination. 采用外观和金相检验等方法对牙钳表面裂纹进行了分析。
- Based on crack width check formula,equations calculating the diameters of verticalreinforcement in random section of cantilever retaining wall are deduced. 从裂缝宽度验算公式出发,推导出计算悬臂式挡墙任意截面竖向钢筋直径的方程式。
- The exterior surface crack is the most dangerous among crack defects of oil thimble. 套管裂纹缺陷中最危险的是表面裂纹,可分解成表面周向裂纹和表面轴向裂纹问题。
- Maximum crack width of mortars with PC and CLS would be reduced, but the development rate of maximum crack width of mortars with PNS is faster in comparison with control mortars. 掺聚羧酸类和掺木质素系减水剂都减小了砂浆的最大裂纹宽度，而掺萘系则加快了砂浆最大裂纹宽度的发展速度。
- During damage tolerance analysis, the probably crack types of key danger position are surface crack and edge angle crack in this article. 在损伤容限分析中，本文认为关键危险部位可能萌生的裂纹形态为表面裂纹与棱边角裂纹；
- There are four kinds of concrete appearance quality limitation:surface crack,surface dilapidation,asymmetry color and tendon-leakage. 砼外观质量的缺陷大致有:表面裂缝;表面破损;表面颜色不均匀:表面漏筋四方面,阐明了结合不同情况提出应采取的处理方法。
- Fatigue surface crack will initiate along the weld toe when tubular KK-joints in offshore platforms are subjected to cyclic loading for a long time. 摘要海洋平台中的KK管节点由于长期承受循环载荷而容易在焊缝处产生疲劳表面裂纹。
- This paper analyzes the composition of liquid steel on the high - temperature mechanical property of steel and longitudinal surface crack of CSP slab. 从钢水成分影响钢的高温力学性能的角度,研究钢水成分对钢的高温力学性能和CSP薄板坯表面纵裂的影响。
- Using the longitudinal prestress t echnology,the bottom crack width of a 8 meters high sigle piece exterior cantile ver reinforced concrete wall at the height of 60 meters has been controlled to t he limitation of concrete rode. 通过采用竖向预应力技术 ,解决了 60m高度处单片 8m高悬臂钢筋混凝土墙根部裂缝宽度超过规范限值的问题 ;
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
