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    蘇州混凝土水泥制品研究院有限公司

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    珊瑚碎屑混凝土的強度特性及破壞形態分析
    珊瑚碎屑混凝土的強度特性及破壞形態分析
    • 王 磊1,2,范 蕾1,2
    2015年第1期
    摘要
    引用本文
    摘 ? 要:針對目前對珊瑚碎屑混凝土的力學機理尚不清晰這一問題,對不同齡期和水灰比的珊瑚混凝土試塊進行了試驗研究。試驗結果表明,珊瑚混凝土具有早強、快硬的特點;同時,當水灰比減小到一定程度后,單純減小水灰比并不能明顯提高珊瑚混凝土的抗壓強度。本文從材料特性、界面特性以及齡期和水灰比等方面著手,對珊瑚混凝土的強度特性作了詳細分析,并介紹了珊瑚混凝土的破壞形態,從而可為珊瑚碎屑應用于海島混凝土工程提供一定的參考依據。 Abstract: Currently, the mechanical mechanism of coral debris concrete is not well understood, so the research on coral concrete test block in different age and water cement ratio is carried out. The test results show that coral concrete has the characteristics of fast strengthening and hardening, and when the water cement ratio decreases to a certain extent, simply reducing the water cement ratio could not result in obvious additions of compressive strength of coral concrete. From the aspects of material properties, interface properties,age and water cement ratio, the strength characteristics of the coral concrete are analyzed in detail, and the failure pattern is introduced, which can provide reference for application of coral debris in island concrete engineering.
    王磊,范蕾.?珊瑚碎屑混凝土的強度特性及破壞形態分析[J].混凝土與水泥制品,2015(1):1-4. WANG L,FAN L.Strength Characteristic and Failure Pattern Analysis on Coral Debris Concrete[J].CHINA CONCRETE AND CEMENT PRODUCTS,2015(1):1-4.
    裝配式結構用高強套筒灌漿料性能試驗研究
    裝配式結構用高強套筒灌漿料性能試驗研究
    • 汪秀石,楊智良,吳照學
    2015年第2期
    摘要
    引用本文
    摘 ? 要:研究了裝配式結構用高強套筒灌漿料的性能,通過試配并進行了流動度、強度和膨脹性試驗,優選出了優化配合比。同時基于優化配合比進行了水膠比、減水劑摻量和膨脹劑摻量對高強套筒灌漿料性能影響的研究。試驗結果表明,隨著水膠比(W/B)增加,流動度逐漸增大,但強度隨W/B增加呈現明顯降低趨勢;減水劑可有效改善流動度,而當摻量過多時對強度有一定的影響;膨脹率隨膨脹劑摻量增加呈現增長趨勢,但當摻量小于8.0%時,膨脹效果較差,摻量大于12.0%時,對流動度和強度產生不利影響。 Abstract: The properties of high-strong cementitious grout for prefabricated concrete structure are studied, and the optimum mix proportion is elected by the tests of fluidity, strength and expansibility. The roles of W/B and the content of superplasticizer or expanders in high-strong cementitious grout for coupler are researched respectively based on the optimum mix proportion. The test results show that the fluidity of the grout increases with the increasing of W/B, but its strength has significantly decreasing trend; the fluidity of the grout can be improved effectively by superplasticizer, but its strength will decrease if superplasticizer content is excessive; expansion rate of the grout increases with the increasing of expanders agent content, but the expansibility is poor when the content is less than 8.0%, and it has an adversely affect on the liquidity and strength of the grout when the content is greater than 12.0%.
    汪秀石,楊智良,吳照學.裝配式結構用高強套筒灌漿料性能試驗研究[J].混凝土與水泥制品,,2015(2):65-68. WANG X S,YANG Z L,WU Z X.Experimental Research on Performance of High-strong Cementitious Grouting for Prefabricated Concrete Structure[J].CHINA CONCRETE AND CEMENT PRODUCTS,2015(2):65-68.
    再生粗骨料強化處理工藝對再生混凝土性能的影響
    再生粗骨料強化處理工藝對再生混凝土性能的影響
    • 郭遠新,李秋義,孔 哲,岳公冰,韓 帥
    2015年第6期
    摘要
    引用本文
    摘 ? 要:分別采用物理強化、化學強化和物理-化學復合強化三種不同的強化方式對簡單破碎再生粗骨料進行強化處理,并采用100%取代天然碎石制備再生粗骨料混凝土,研究了不同強化處理后的再生粗骨料對混凝土工作性能、力學性能、抗滲透性能和抗碳化性能的影響。結果表明,經過強化處理的再生粗骨料混凝土的各項性能均有不同程度的提高,其中經二次物理強化處理后的再生粗骨料混凝土的用水量較天然碎石混凝土僅增加了6kg/m3,其抗壓強度也達到最高值,接近于天然碎石混凝土;經二次物理強化和化學浸漬復合強化處理后的再生混凝土氯離子擴散系數降低了13.6%;三種不同的強化方式處理后,再生混凝土的碳化深度和碳化速度均有所降低。 Abstract: Three kinds of different strengthening technologies of physical enhancement, chemical enhancement and physical-chemical compound enhancement to strengthen the simple crushing recycled coarse aggregate are adopted, with 100% replaced natural gravel preparation of recycled coarse aggregate concrete, and the influences of the recycled coarse aggregate of different strengthening treatment on the working performance, mechanical properties, penetration resistance and carbonation resistance of concrete are studied. The research results show that, through strengthening treatment, recycled coarse aggregate concrete properties are improved to different degrees, the water consumption of recycled coarse aggregate concrete after the secondary physical strengthen treatment is only increased by 6kg/m3 than that of natural gravel concrete. The compressive strength also reached the highest value, close to the natural gravel concrete. The chloride ion diffusion coefficient of recycled concrete after the secondary physical-chemical compound strengthening treatment is reduced by 13.6%. The depth of carbonation and carbonation velocity decrease after three kinds of different strengthening treatments.
    郭遠新,李秋義,孔哲,等.再生粗骨料強化處理工藝對再生混凝土性能的影響[J].混凝土與水泥制品,2015(6):11-17. GUO Y X,LI Q Y,KONG Z,et al.Influence of Strengthening Treatment Technology of Recycled Coarse Aggregate on Performance of Recycled Concrete[J].CHINA CONCRETE AND CEMENT PRODUCTS,2015(6):11-17.
    無砂再生透水混凝土配合比設計
    無砂再生透水混凝土配合比設計
    • 張松濤1,賈欣悅2,宋 卓1,賈艷東1
    2016年第12期
    摘要
    引用本文
    張松濤,賈欣悅,宋卓,等.無砂再生透水混凝土配合比設計[J].混凝土與水泥制品,2016(12):6-12. ZHANG S T,JIA X Y,SONG Z,et al.Design on Mix Proportion of No-fines Pervious Recycled Concrete[J].CHINA CONCRETE AND CEMENT PRODUCTS,2016(12):6-12.
    清水混凝土概念、研究現狀、存在問題及配合比設計方 綜述
    清水混凝土概念、研究現狀、存在問題及配合比設計方 綜述
    • 郭 偉1,路林海2,王龍志3,崔 鑫3,王桂玲4,張海霞3
    2016年第10期
    摘要
    引用本文
    摘 ? 要:20世紀90年代后期以來,清水混凝土研究及工程應用得到了長足發展,許多城市建成了清水混凝土標志性工程。為了更好地促進清水混凝土研究的深入、工程質量的提高,對清水混凝土的概念、研究現狀、存在問題及現有的清水混凝土配合比設計方法進行了系統地梳理、總結。通過對清水混凝土現狀的研究,可使相關領域技術人員認識到清水混凝土發展中存在的不足、明確清水混凝土的研究方向,以實現清水混凝土技術研究水平的再提高,有力地支持清水混凝土工程應用的進一步推廣。 Abstract: Since the late 1990s, research and application of fair-faced concrete has made considerable progress, many cities built landmark projects of fair-faced concrete. In order to better promote the study in-depth and the engineering quality improvement of fair-faced concrete, the concept, research status, existing problems and mixture design methods of fair-faced concrete are systematically reviewed and summarized. Through the above study of fair-faced concrete, the relevant technicians recognize the lack of fair-faced concrete in the development and realize a clear research direction, in order to improve research level, strongly support further promotion of fair-faced concrete in engineering applications.
    郭偉,路林海,王龍志,等.清水混凝土概念、研究現狀、存在問題及配合比設計方法綜述[J].混凝土與水泥制品,2016(10):23-27. GUO W,LU L H,WANG L Z,et al.Summary for Concept, Research Status, Existing Problems and Mix Proportion Design of Fair-faced Concrete[J].CHINA CONCRETE AND CEMENT PRODUCTS,2016(10):23-27.
    新型裝配式建筑構件生產及其施工技術的研究與應用
    新型裝配式建筑構件生產及其施工技術的研究與應用
    • 范 玉1,4,徐 華2,黃 新3,黃繼戰4,馬北京4
    2015年第12期
    摘要
    引用本文
    摘 ? 要:通過對建筑PC構件的設計、生產、施工進行的研究,對建筑PC構件進行了再設計及優化,確定了合理的PC構件生產及其施工工藝方案,并對影響PC構件質量的相關因素進行了分析。 Abstract: Through the research on design of PC component, production and construction, ?construction PC component is carried out for re-design and optimization. The reasonable PC component production and construction technology program are determined, and factors affecting the quality of PC are analyzed.
    范玉,徐華,黃新,等.新型裝配式建筑構件生產及其施工技術的研究與應用[J].混凝土與水泥制品,2015(12):87-89. FAN Y, XU H,HUANG X,et al.Research and Application of Production for New Type of Prefabricated Construction Component and Its Construction Technology[J].CHINA CONCRETE AND CEMENT PRODUCTS,2015(12):87-89.
    石墨烯納米片對水泥基復合材料力學性能的影響
    石墨烯納米片對水泥基復合材料力學性能的影響
    • 王 輝,劉愛紅,李 航
    2015年第12期
    摘要
    引用本文
    摘 ? 要:采用球磨法將石墨烯納米片分散在水泥基體中,研究了石墨烯納米片摻量對水泥基材料抗折強度和抗壓強度的影響。實驗結果表明,適量的石墨烯納米片可均勻分散在水泥基體中,通過橋聯效應和拔出效應對水泥基材料起增強增韌作用,當石墨烯納米片摻量為0.04%時,石墨烯納米片與水泥基體界面結合良好,沒有明顯過渡層,試件3d抗折強度和抗壓強度分別提高了22.84%和23.61%。 Abstract: Graphene nanoplatelets (GNPs) were dispersed in the cement matrix by milling method. The effect of GNPs with different contents on the flexural strength and compressive strength of composites were studied. The results showed that well dispersed GNPs improved the mechanical properties of cement composites, owing to GNPs excellent pulling-out and bridging capability. When the GNPs content was 0.04%, the mechanical properties of cement composites were increased obviously. Its flexural and compressive strength increased by 22.84% and 23.61% respectively compared with the referee sample after curing 3 days. The interface between graphene nanoplatelets and cement was bonded well, with no obvious transition layer.
    王輝,劉愛紅,李航.石墨烯納米片對水泥基復合材料力學性能的影響[J].混凝土與水泥制品,2015(12):25-27. WANG H,LIU A H,LI H.Influence of Graphene Nanoplatelets on Mechanical Properties of Cement-based Composites[J].CHINA CONCRETE AND CEMENT PRODUCTS,2015(12):25-27.
    大型智能PC構件自動化生產線簡介
    大型智能PC構件自動化生產線簡介
    • 孫 紅1,孫 健1,吳玉厚1,趙凱軍2
    2015年第3期
    摘要
    引用本文
    摘 ? 要:根據混凝土工廠化生產的需要,闡述了大型智能PC構件生產線的組成部分、工藝過程和技術重點;分析了該生產線中蘊含的微觀物流、信息采集、分布式控制及多智能體的協同過程,總結了PC構件生產線的優點和技術創新突破點,可為大型智能PC構件全自動生產線的研制提供理論基礎和技術依據。 Abstract: According to the needs of the concrete factory production, the large scale intelligent automatic PC production line the technological process and technical keys of PC component are introduced, the cooperative process of microscopic logistics, information acquisition, distributed control and multi-agent systems are analyzed, the advantages and technology innovation of PC components production line are summarized, which can provide theoretical basis and technical basis for large scale intelligent automatic production line of PC components.
    孫紅,孫健,吳玉厚,等.大型智能PC構件自動化生產線簡介[J].混凝土與水泥制品,2015(3):45-48. SUN H,SUN J,WU Y H,et al.Introduction of Large Scale Intelligent PC Automatic Production Line[J].CHINA CONCRETE AND CEMENT PRODUCTS,2015(3):45-48.
    建筑垃圾再生微粉的研究現狀
    建筑垃圾再生微粉的研究現狀
    • 毛新奇1,2,屈文俊1,朱 鵬1
    2015年第8期
    摘要
    引用本文
    摘 ? 要:建筑垃圾再生微粉各項性能的研究是推進建筑垃圾資源化的重要基礎。根據近年來國內關于再生微粉的主要研究成果,對材料來源、制備工藝、工作性能、力學性能和耐久性能等方面進行了綜述,并對相關的影響因素進行了探討分析。 Abstract: Research on the properties of utilization regeneration of powder for construction waste is the important foundation of resource utilization of construction waste. Based on the recent domestic research on recycled powder, material source, manufacturing process, workability, mechanical properties and the durability are reviewed. Besides, the related influence factors are discussed and analyzed.
    毛新奇,屈文俊,朱鵬.建筑垃圾再生微粉的研究現狀[J].混凝土與水泥制品,2015(8):89-93. MAO X Q,QU W J,ZHU P.Study Status of Recycled Powder for Construction Waste[J].CHINA CONCRETE AND CEMENT PRODUCTS,2015(8):89-93.
    再生粗骨料及再生混凝土性能研究進展
    再生粗骨料及再生混凝土性能研究進展
    • 甘 福1,周脈席1,3,濮 琦2
    2018年第9期
    摘要
    引用本文
    摘 ? 要:結合國內外再生粗骨料混凝土的研究現狀,綜述了再生粗骨料性能、再生粗骨料混凝土性能、再生混凝土改性方法及改性后的混凝土性能等方面內容,展望了再生粗骨料及再生混凝土未來研究方向。 Abstract: Combining the study of recycled coarse aggregate concrete at home and abroad, the property of recycled coarse aggregate, the performance of recycled coarse aggregate concrete, the modified method of recycled concrete and the performance of modified concrete are reviewed, and the fature research direction on recycled coarse aggregate and recycled concrete is prospected.
    甘福,周脈席,濮琦.再生粗骨料及再生混凝土性能研究進展[J].混凝土與水泥制品,2018(9):102-107. GAN F,ZHOU M X,PU Q.Research Progress of Performance of Recycled Coarse Aggregate and Recycled Concrete[J].CHINA CONCRETE AND CEMENT PRODUCTS,2018(9):102-107.
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