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retarding mortar
相关语句
  缓凝砂浆
     The static plasticity coefficient of retarding mortar of three different proportions(A,B,C) are tested in this paper, and the effect of temperature, age, addition of compound retardant and different cement type on retarding setting time of retarding mortar.
     试验测定了A,B,C三种不同配比的缓凝砂浆静态塑性指数,分析了温度、龄期、复合缓凝剂的掺量及不同水泥品种对缓凝砂浆的缓凝时间的影响。
短句来源
     The result shows:(1)the static plasticity of all the three kinds of retarding mortar increased with the age, it indicated that in the early set age, the plasticity coefficient of retarding mortar was low and the rheopexy was good;
     结果表明:(1)三种缓凝砂浆各温度下的静态塑性指数都随龄期的增长而增大,说明缓凝砂浆在缓凝早期塑性指数小,触变性能好;
短句来源
     (3)And in addition, the setting time of retarding mortar had something to do with the cement type, if given the same proportion, the setting time of early strength cement is short and that of sulphate cement is long.
     (3)缓凝砂浆的凝结时间与水泥品种也有较大关系,同配比下早强型水泥凝结时间短,抗硫酸盐水泥凝结时间长。
短句来源
  相似匹配句对
     Research and Application of Super-retarding Mortar
     超缓凝砂浆的研究和应用
短句来源
     Experimental study on the plasticity of the super-retarding mortar
     超效缓凝砂浆可塑性能试验研究
短句来源
     Polyurethane Mortar
     聚氨酯砂浆
短句来源
     The Overtime Retarding of Concrete
     混凝土的超时缓凝现象
短句来源
     Synthesis of Flame Retarding Poly
     阻燃剂聚二溴苯醚的合成
短句来源
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Super-retarding mortar is composed of cement, retarding admix and sand blended in appropriate rate. Ranging from 50C to 40'℃, it does not coagulate within 30 days. Itstarts to harden and finally reaches the compressive strenth of over 30 MPa after 30 days.Because Super-retarcling mortar is used in prestressed concrete, a new creative retarding coherence system is formed. As a result, it is as simple as the non-coherence prestressed concrete in construction. Because the super-retarding...

Super-retarding mortar is composed of cement, retarding admix and sand blended in appropriate rate. Ranging from 50C to 40'℃, it does not coagulate within 30 days. Itstarts to harden and finally reaches the compressive strenth of over 30 MPa after 30 days.Because Super-retarcling mortar is used in prestressed concrete, a new creative retarding coherence system is formed. As a result, it is as simple as the non-coherence prestressed concrete in construction. Because the super-retarding mortar which wraps the prestressed steelbar hardens in construction, the same restult as gained from the coherence prestressed concrete is obtained. Its application in practical bridge engineering proves that it meets the demands of design and construction in a quick and simple way. So its economic and social effects are quite remarkable.

超缓凝砂浆是由水泥、复合缓凝剂和砂经适当配比而成,能在5℃~40℃范围内,30天内不凝结,而在30天后才开始硬化,并最终达到30MPa以上的抗压强度.超缓凝砂浆使用于预应力混凝土体系中,形成一种新颖独特的缓粘结预应力筋形式,即在施工过程中,和无粘结预应力筋一样简便,而在使用中由于包覆于预应力钢筋上的超缓凝砂浆硬化,达到与有粘结筋一样的效果.经实际桥梁工程使用,均满足设计和施工要求.

Super-retarding mortar is composed of cement, retarding admixtue and sand in appropriate ratio. From 5 ℃ to 40℃, it does not coagulate in 30 days, after 30 days, it starts to harden and its compressive strength, finally, will be over 30MPa.Becouse super-retarding mortar is used in prestressed concrete, a new special retarding coherence system is formed. As a result, it is same simple as no-coherence pretressed concrete in construction. Because the super-retarding mortar wrapped...

Super-retarding mortar is composed of cement, retarding admixtue and sand in appropriate ratio. From 5 ℃ to 40℃, it does not coagulate in 30 days, after 30 days, it starts to harden and its compressive strength, finally, will be over 30MPa.Becouse super-retarding mortar is used in prestressed concrete, a new special retarding coherence system is formed. As a result, it is same simple as no-coherence pretressed concrete in construction. Because the super-retarding mortar wrapped prestressed steel bar hardens after construction, the same result as conherence prestressed concrete is reached. The apppearance of the. retarding coherence parestressed concrete makes that prestressed concrete produoes a innovation in construction technology and design calculation, so prestressed concrete may be used widely and conveniently.Its application on practical bridge engineering proves that is meets the demands of design and construction in quick simple way, so its economic and social effects are remarkable.

超缓凝砂浆是由水泥、复合缓凝剂和砂经适当配比而成,能在5~40℃范围内,30天内不凝结,而在30天后才开始硬化,并最终达到30MPa以上的抗压强度。超缓凝砂浆在预应力混凝土体系中的应用,形成一种新型独特的缓粘结预应力体系,即在施工过程中.同无粘结筋一样简单,而在使用中由于包覆于预应力钢筋上的趋缓凝砂浆的硬化,而达到与有粘结筋一样的效果。它的问世,使预应力混凝土在施工工艺和设计计算等方面产生一次变革,有利于其更广泛、更简便地使用。经实际桥梁工程使用证明,满足没计要求,达到快速、简便、灵活的施工目的.经济和社会效益十分显著。

Retarded adhesive prestressed concrete is a new distinctive prestressed type.It absorbs the good parts and abandons the unfavorable parts of adhesive and non adhesive in post tensioning prestressed concrete.After testing many performances of retarded mortar,it adapts to wrap up prestressed bar and then forms the retarded adhesive prestressed concrete.In final,a whole convenient design and calculated method have been establiched by testing the tensioned frictional resistance of retarded...

Retarded adhesive prestressed concrete is a new distinctive prestressed type.It absorbs the good parts and abandons the unfavorable parts of adhesive and non adhesive in post tensioning prestressed concrete.After testing many performances of retarded mortar,it adapts to wrap up prestressed bar and then forms the retarded adhesive prestressed concrete.In final,a whole convenient design and calculated method have been establiched by testing the tensioned frictional resistance of retarded adhesive prestressed bar,the bearing capacity and the failure pattern of beam components.

缓粘结预应力混凝土是取后张法预应力混凝土中无粘结和有粘结各自之长 ,避各自之短 ,所形成的一种新型独特的预应力形式。通过对缓凝砂浆多种性能测试 ,能满足用于包裹预应力筋 ,并形成缓粘结预应力混凝土。通过对缓粘结预应力筋的张拉摩阻、梁体承载能力和破坏模式的测试 ,建立了相应的便于应用的整套设计计算方法。

 
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