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expansive mortar
相关语句
  膨胀砂浆
     The tests indicate that bauxite expansive agent meet requirement specified in Chinese standard JC476-92"Expansive Agent for Concrete"and be compatible with grade 525 and 425 cement from different plants. The author thinks that the formation of C-S-H with significant SO\-3,Al\-2O\-3 and its adsorbing water are responsible for the expansion of bauxite expansive mortar of concrete.
     试验表明 ,铝矾土膨胀剂完全符合《混凝土膨胀剂》JC476— 92的各项要求 ,适用于不同产地的 52 5和 42 5水泥 ,作者认为 ,铝矾士膨胀砂浆或混凝土的膨胀主要因高硫铝C—S—H凝胶的形成和吸水膨胀而产生。
短句来源
  相似匹配句对
     RESEARCH OF EXPANSIVE ADMIXTURE'S EFFECTIVENESS IN FLY-ASH AND CEMENT MORTAR
     活性矿物掺合料粉煤灰对膨胀剂效用的影响研究
短句来源
     EXPANSIVE MAP
     可扩映射
短句来源
     Polyurethane Mortar
     聚氨酯砂浆
短句来源
     Study on the influence of polypropylene fiber and expansive agent to plastic shrinkage of mortar
     聚丙烯纤维和膨胀剂对水泥砂浆塑性干缩的影响
短句来源
     Expansive Formula and It's Application
     升华公式及其应用
短句来源
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Though 76 pull-out type tests for anchorage bars in 15 projects in Dalian area,it is recognized that the anchoring force is affected by multiple factors.The major factors are the drilling techniques and quality of poured mortar. To strengthern the anchoring force of anchorage bar,the author suggests to use air drilling technique for weathered rocks or soil.And for medium and weakly weathered rocks,the drilling holes should also be washed with clean water.Expansive mortar is suggested to pour the...

Though 76 pull-out type tests for anchorage bars in 15 projects in Dalian area,it is recognized that the anchoring force is affected by multiple factors.The major factors are the drilling techniques and quality of poured mortar. To strengthern the anchoring force of anchorage bar,the author suggests to use air drilling technique for weathered rocks or soil.And for medium and weakly weathered rocks,the drilling holes should also be washed with clean water.Expansive mortar is suggested to pour the anchorage bars.The stress of steel should be measured during the pull-out type tests for anchorage bars.

在总结大连地区 15项工程 76根锚杆抗拔试验时发现锚杆的锚固力是受多种因素影响的 ,其中主要因素是钻探成孔工艺 (影响c ,φ值 )和锚杆注浆质量 (影响k0 值 ) .对于风化岩或土层灌浆锚杆建议采用风动成孔 ;对于中风化或微风化岩层灌浆锚杆建议采用风动成孔并进行清水洗孔 ;对于锚杆注浆建议采用膨胀砂浆 ,并建议锚杆抗拔试验同时进行钢筋应力测试 .

This paper presents the study of bauxite expansive agent made by mixing activated low-grade bauxite and anhydrite on the basis of low temperature calcined low-grade bauxite with or without limestone.The tests indicate that bauxite expansive agent meet requirement specified in Chinese standard JC476-92"Expansive Agent for Concrete"and be compatible with grade 525 and 425 cement from different plants.The author thinks that the formation of C-S-H with significant SO\-3,Al\-2O\-3 and its adsorbing water are responsible...

This paper presents the study of bauxite expansive agent made by mixing activated low-grade bauxite and anhydrite on the basis of low temperature calcined low-grade bauxite with or without limestone.The tests indicate that bauxite expansive agent meet requirement specified in Chinese standard JC476-92"Expansive Agent for Concrete"and be compatible with grade 525 and 425 cement from different plants.The author thinks that the formation of C-S-H with significant SO\-3,Al\-2O\-3 and its adsorbing water are responsible for the expansion of bauxite expansive mortar of concrete.

本研究在对低铝劣质铝矾土进行低温煅烧或增钙活化的基础上 ,配以适量硬石膏制成铝矾土膨胀剂。试验表明 ,铝矾土膨胀剂完全符合《混凝土膨胀剂》JC476— 92的各项要求 ,适用于不同产地的 52 5和 42 5水泥 ,作者认为 ,铝矾士膨胀砂浆或混凝土的膨胀主要因高硫铝C—S—H凝胶的形成和吸水膨胀而产生。

Using grouting high-early-strength expansive mortar to repair breakage in cement concrete slab can overcome the fatal weak points of only paying attention to the high-early-strength performance of fast mending concrete and ignoring its expansion bonding and reinforcement to base course.So,the fast mending cement concrete slab with grouting method has good applicability.

采用灌注早强膨胀砂浆,对混凝土板块破损区域进行局部修补,可克服快速修补混凝土只注重早强性能而忽视膨胀粘结和不重视基层性能补强的致命弱点,因此,灌浆法具有良好的适用性。

 
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