抗裂性
- crack resistance
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研究结果表明,SBS化学改性沥青混合料的高温稳定性、低温抗裂性和水稳定性均比SBS物理改性沥青混合料好。
The results show that the SBS asphalt mixture by chemical modification is superior to that by physical modification in stability at high temperature , crack resistance at low temperature , and water stability .
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纵然高性能混凝土(HPC)克服了普通混凝土的许多缺点,兼具高工作性、高抗压强度与高耐久性,但仍存在韧性低、抗裂性差等问题。
High performance concrete with high strength , high workability and high durability has overcome a lot of shortcomings of normal concrete , but it still has low toughness and low crack resistance .
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掺合料对砼早期抗裂性的影响混凝土断裂能GF随龄期、强度的变化规律
Effect of age and strength on fracture energy of concrete
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改性异形聚丙烯(PP)增强水泥混凝土抗裂性研究
A Study on Anti-crack Property for Modified Profiled Polypropylene Fiber Concrete
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PC拉-弯-剪复合受力构件斜截面抗裂性及抗剪强度的试验研究
Experimental investigation of diagonal cracking behavior and shear strength for PC members subjected to axial tension bending and shear
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燃煤MHD发电Al2O3基电极间绝缘材料抗裂性的改善
Improvement of Crack Resistance of Al_2O_3 Base Interelectrode Insulator Materials for MHD Power Generation
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疲劳荷载作用下PPC箱形约束梁斜截面抗裂性试验研究
Experimental Research on Fatigue Diagonal Tension Cracking Strength of PPC Restrained Box Beams
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改善EPS砂浆保温性和防裂砂浆抗裂性的研究
Study on Improving Heat Preservation Performance of the EPS Exterior Thermal Insulation Mortar and Crack-control Property of Crack-control Mortar
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AFS稳定土和石灰土相比,早期强度有了较大提高,并具有较好的抗裂性。
Soil stabilized with AFS has higher early lime soils strength and better anti cracking characteristics than lime soil .
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而工程复合材料ECC的高延展性和抗裂性将大大改善混凝土结构的耐久性。
The high ductility and cracking resistance of Engineered Cementitious Composites ( ECC ) may greatly enhance the durability of concrete structures .
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LT50钢的抗裂性试验和焊接性能试验
Cracking Resistance Test and Welding Performance Test on LT50 Steel
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在不预热情况下,通过调整熔敷金属Cu和Ni的含量,改变铸铁激光熔敷层内奥氏体相与渗碳体相体积分数,分析了奥氏体相体积分数对熔敷层抗裂性的影响。
In the condition of no preheating , the contents of Cu and Ni in Cu-Ni-V-C laser cladding layers were changed to adjust the volume fractions of austenite and cementite , and the effect of volume fraction of austenite on the cracking resistance was analyzed .
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对PVA纤维水泥砂浆抗裂性以及PVA纤维混凝土抗冲击韧性的研究结果表明,PVA纤维的加入可以明显改善水泥基材料的抗裂性能和抗冲击韧性。
The result of a study on anti - crack quality of PVA fiber mortar and impact toughness of PVA fiber concrete indicated that blending PVA fiber into cement material could evidently improve anti - crack quality and impact toughness of cement material .
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从胶凝材料浆体抗裂性的试验结果来看,粉煤灰烧失量、碱含量、SO3含量越低,掺粉煤灰水泥浆体的抗裂性越好。
The lower the loss on ignition , alkali content and SO3 content of fly ash are , the better the crack resistance of the blended cement paste is .
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系统研究了复合基层ATB层的配合比设计及其高温稳定性、低温抗裂性、水稳定性、疲劳特性等路用性能。
Systematic study on asphalt treated base are carried out from mixture design and pavement performance , such as high temperature stability , low temperature crack resistance , water stability and fatigue characteristics etc. .
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进行了EPS保温砂浆的工程实践,结果表明:以废弃EPS为轻骨料,采用适宜技术路线,可配制出施工性、抗裂性、保温隔热性良好的新型外保温砂浆。
EPS insulating mortar has been applied to practical engineering . The result of experiment and engineering use show that the new type of exterior insulating mortar with good construction property , crack resistant and weather resistant can be produced by using waste EPS as lightweight aggregate and appropriate technology .
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应用聚丙烯纤维(简称DFRC)来提高混凝土的抗裂性、韧性和抗疲劳等性能及防水性能已成为当今路桥工程中的重要途径。
It is the main method to use DFRC to promote the property of cracking resistance ? toughness ? fatigue resistance and water proof .
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结果表明FT-I涂料凝结时间正常、安定性合格、力学性能和粘结强度符合GB18445-2001的要求、抗收缩性能和抗裂性、耐蚀性良好;
The results show that the setting time , soundness , mechanical performance and binding performance of the coating satisfy all the requirements accordance with GB 18445-2001 ;
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降低砂浆的收缩,28d收缩值比粘土混合砂浆降低了36%,比石灰混合砂浆降低了25%,改善了砂浆的抗裂性,能有效预防砂浆空鼓、开裂等质量通病。
The mortar shrinkage was also reduced by 36 % as compared with clay mortar and by 25 % with lime mortar . The resistance to rupture of mortar was highly improved and the common quality faults such as cracking and cavities were effectively prevented .
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高强、早强但1d强度适中,低碱、低C3A、低水化热,用粒度小于3μm的混合材替代水泥中的熟料<3μm的颗粒等是改善水泥抗裂性的好途径。
It is a good way for improving crack-resistance performance of cement to decrease the content of alkali and C3A as well as hydration heat , to replace the clinker particle less than 3 μ m in concrete by mineral admixture which particle is below 3 μ m.
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实现了高层建筑3×15.6m跨的柱网改变,取得了改善结构受力性能、减少挠度、节约钢材、提高抗裂性、满足正常使用的良好效果。
The transformation of small column spacings to 3 × 15.6 m column system in this tall building has been realized with its load carrying performance improved , deflection reduced , amount of steel saved , crack resistance increased and the serviceability satisfied .
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东海大桥高性能海工混凝土抗裂性控制技术研究
Research on Crack Resistance of High Performance Concrete in Donghai Bridge
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基于长期自然老化的沥青结合料低温抗裂性指标
Anti-cracking indices of asphalt with different aging degree at low temperature
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骨架密实型水泥稳定碎石基层抗裂性分析和应用
Skeleton dense cement stabilized macadam base analysis and application of crack
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抗裂性试板弯曲拘束度的计算
Calculation of Bending Restraint Intensities of Some Weld-cracking Test Specimens
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提高混凝土韧性与抗裂性的研究
Study on improvement of toughness and crack resistance of concrete
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机场道面新型混凝土抗裂性试验
An Experimental Study on the Crack-proof Property of New-type Airfield Pavement Concrete
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矿物掺合料也可以改善混凝土的抗裂性。
The mineral admixture can greatly improve the crack resistance of concrete .
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半刚性基层材料抗裂性评价指标的灰色关联分析
Gray Correlation Analysis of Semi-rigid Base Material Anti-crack Evaluation Index
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镍铜,易加工,但抗裂性较差。
Copper nickel , good machinability and bad crack resistance .