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    蘇州混凝土水泥制品研究院有限公司

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    房建材料及制品

    高強硅酸鹽陶?;炷恋闹苽浼靶阅苎芯? />
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                          <a href="/product/3836.html" target="_parent" class="title"><i class="iconfont12"></i>高強硅酸鹽陶?;炷恋闹苽浼靶阅苎芯?/a>
                        
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                                      <span class="attrValue"><i class="iconfont2"></i> 朱   然1,2,王圣怡1,2,占羿箭1,2</span>
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                                      <span class="attrValue"> 2022年第5期</span>
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                            <span class="newMs">摘 ? 要:對陶粒、陶砂進行預濕處理,并將其用于配制高強硅酸鹽陶?;炷?,研究了水膠比、漂珠摻量、陶砂取代率對高強硅酸鹽陶?;炷列阅艿挠绊?。結果表明:預吸水陶粒、陶砂具備改善界面性能、內養護等多重作用,可有效提高輕骨料混凝土的強度;水膠比是決定輕骨料混凝土強度的關鍵因素,隨著水膠比的降低,輕骨料混凝土的強度增長明顯;減重材料如漂珠應謹慎使用,使用時應設置合理的應用區間,避免輕骨料混凝土中的水分含量出現較大波動。

Abstract: The ceramsite and ceramic sand were pre-wetted and used to prepare high-strength silicate ceramsite concrete. The effects of water-binder ratio, fly ash cenosphere content and ceramic sand replacement rate on the properties of high-strength silicate ceramsite concrete were studied. The results show that pre-absorbent ceramsite and ceramic sand have multiple functions such as improving the interface performance and internal curing, which can effectively increase the strength of lightweight aggregate concrete. The water-binder ratio is the key factor in determining the strength of lightweight aggregate concrete. As the water-binder ratio decreases, the strength of lightweight aggregate concrete increases significantly. Weight-reducing materials such as fly ash cenosphere should be used with caution, and a reasonable application interval should be set to avoid large fluctuations in the moisture content of lightweight aggregate concrete.
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                                      <span class="attrValue3"> 朱然,王圣怡,占羿箭.高強硅酸鹽陶?;炷恋闹苽浼靶阅苎芯縖J].混凝土與水泥制品,2022(5):67-71.
ZHU R,WANG S Y,ZHAN Y J.Study on Preparation and Properties of High-strength Silicate Ceramsite Concrete[J].China Concrete and Cement Products,2022(5):67-71.</span>
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    納米C-S-H對固硫灰蒸壓加氣混凝土水化產物形成的影響
    • 柏秀奎1,林俊豪2,曹德光1,韋炫辰1,歐天安2,潘榮偉2,李乘光3
    2022年第5期
    摘要
    引用本文
    摘 ? 要:通過強度、干密度測試以及XRD、FTIR、SEM分析,研究了納米C-S-H對固硫灰蒸壓加氣混凝土性能及水化產物的影響。結果表明:隨著納米C-S-H摻量的增加,蒸壓加氣混凝土的干密度和抗壓強度均呈先增后降的趨勢,且當納米C-S-H摻量為3%時,蒸壓加氣混凝土的抗壓強度最大,較空白組提高了13.2%;在蒸壓養護條件下,納米C-S-H的摻入一方面促進了體系中的Ca(OH)2與固硫灰中的活性SiO2和Al2O3反應,形成了更多的托貝莫來石和C-S-H凝膠,另一方面加速了托貝莫來石和C-S-H凝膠的生長速度,形成了尺寸更大的反應產物;納米C-S-H的摻入降低了蒸壓加氣混凝土中的孔洞率,提高了蒸壓加氣混凝土的密實度和強度;固硫灰中的三種主要物相與Ca(OH)2的蒸壓反應活性大小為薄片疊層狀的黏土礦物熱分解產物最高,帶棱角粒狀的石英顆粒次之,球狀的鋁硅酸鈣物相最低。 Abstract: The effects of nano-C-S-H on properties and hydration products of autoclaved aerated concrete with circulating fluidized bed fly ash were studied by strength, dry density tests and XRD, FTIR and SEM analysis. The results show that the dry density and compressive strength of autoclaved aerated concrete increase first and then decrease with the increase of nano-C-S-H content, and the compressive strength of autoclaved aerated concrete reaches the maximum when the nano-C-S-H content is 3%, which is 13.2% higher than that of blank group. Under the autoclastic curing condition, the addition of nano-C-S-H promotes the reaction of Ca(OH)2 in the system with active SiO2 and Al2O3 in the circulating fluidized bed fly ash, forming more tobermorite and C-S-H gel, and accelerates the growth rate of tobermorite and C-S-H gel, forming reaction products with larger size. The addition of nano-C-S-H reduces the porosity of autoclaved aerated concrete, and improves the density and compressive strength of autoclaved aerated concrete. The autoclaved reaction activity of the three main phases in the circulating fluidized bed fly ash with Ca(OH)2 is that the laminated products of clay are the highest, followed by the angular granular quartz particles, and the spherical phase of calcium aluminosilicate is the lowest.
    柏秀奎,林俊豪,曹德光,等.納米C-S-H對固硫灰蒸壓加氣混凝土水化產物形成的影響[J].混凝土與水泥制品,2022(5):72-76. BAI X K,LIN J H,CAO D G,et al.Effect of Nano-C-S-H on the Formation of Hydration Products of Autoclaved Aerated Concrete with Circulating Fluidized Bed Fly Ash[J].China Concrete and Cement Products,2022(5):72-76.
    帶高位轉換層高層建筑結構轉換梁的受力分析
    帶高位轉換層高層建筑結構轉換梁的受力分析
    • 王再舉,張 婭
    2022年第5期
    摘要
    引用本文
    摘 ? 要:利用PKPM軟件中的SATWE模塊和ANSYS軟件對駐馬店市驛城區某住宅小區4#樓B座高位轉換結構中兩根具有代表性的轉換梁進行了受力計算,獲得了高位轉換結構中轉換梁的彎矩值、剪力值、軸力值、撓度值大小及其變化規律,并利用兩種軟件計算出了結構周期。結果表明:利用ANSYS軟件計算得到的框支梁彎矩值、剪力值、軸力值均小于利用SATWE模塊計算得到的結果,且二者的變化規律相同,部分SATWE計算結果比ANSYS計算結果大近3倍,證明了SATWE計算結果的安全性;而利用SATWE模塊計算得到的框支梁撓度值小于利用ANSYS軟件計算得到的結果,部分ANSYS計算結果比SATWE計算結果大近2.5倍;兩種軟件計算出的結構周期變化規律基本吻合;研究結果對相關結構設計具有指導意義,可為實際工程提供參考。 Abstract: The SATWE module in PKPM software and ANSYS software were used to calculate the force of two representative transfer beams in the high-level transfer structure of Block B of Building 4# in Yicheng District of Zhumadian City, and the bending moment value, shear force value, axial force value and deflection value of transfer beams in high-level transfer structure and their changing rules were obtained. The structural cycles were calculated by the two softwares. The results show that the bending moment value, shear force value and axial force value of the frame-supported beam calculated by ANSYS software are less than those calculated by SATWE module, and the changing rules of the two are the same, and some SATWE calculation results are nearly 3 times larger than ANSYS calculation results, which proves the safety of SATWE calculation results. The deflection value of the frame-supported beam calculated by SATWE module is less than that calculated by ANSYS software, and some ANSYS calculation results are nearly 2.5 times larger than SATWE calculation results. The structural cycle variation laws calculated by the two softwares are basically consistent. The research results have guiding significance for related structural design and can provide reference for practical engineering.
    王再舉,張婭.帶高位轉換層高層建筑結構轉換梁的受力分析[J].混凝土與水泥制品,2022(5):77-80. WANG Z J,ZHANG Y.Stress Analysis of Transfer Beam of High-rise Building Structure with High Transfer Floors[J].China Concrete and Cement Products,2022(5):77-80.
    堿激發再生黏土磚粉泡沫混凝土性能研究
    堿激發再生黏土磚粉泡沫混凝土性能研究
    • 余昭陽1,劉潤清1,葛 星2,崔云鵬1
    2022年第5期
    摘要
    引用本文
    摘 ? 要:研究了在堿激發方式下再生黏土磚粉的活性激發效果和機理,探究了活性激發后的再生黏土磚粉用于制備泡沫混凝土的可行性。結果表明:復合堿激發劑可以提高再生黏土磚粉-水泥膠凝材料的28 d抗壓強度和活性指數,當復合堿激發劑摻量為3%時,試件的28 d抗壓強度和活性指數分別為22.42 MPa和73.3%,激發效果最好;當采用復合堿激發劑時,膠凝材料體系的水化放熱速率和水化放熱總量低,水化反應時間長,試件的后期強度高;當復合堿激發劑摻量為3%、再生黏土磚粉摻量為40%、水膠比為0.50時,再生黏土磚粉泡沫混凝土的性能滿足JG/T 266—2011《泡沫混凝土》的要求。 Abstract: The activation effect and mechanism of recycled clay brick powder under alkali excitation were studied, and the feasibility of using recycled clay brick powder to prepare foamed concrete was explored. The results show that the composite alkali activator can improve the 28 d compressive strength and activity coefficient of recycled clay brick powder- cement cementitious material, and when the content of composite alkali activator is 3%, the 28 d compressive strength and activity coefficient of the specimen are 22.42 MPa and 73.3% respectively, the excitation effect is the best. When the composite alkali activator is used, the hydration heat release rate and total hydration heat release of the cementitious material system are low, the hydration reaction time is long, and the later strength of the specimen is high. When the content of composite alkali activator is 3%, the amount of recycled clay brick powder is 40% and the water-binder ratio is 0.50, the performance of recycled clay brick powder foamed concrete meets the requirements of JG/T 266—2011 Foamed Concrete.
    余昭陽,劉潤清,葛星,等.堿激發再生黏土磚粉泡沫混凝土性能研究[J].混凝土與水泥制品,2022(5):81-85,89. YU Z Y,LIU R Q,GE X,et al.Study on Properties of Alkali Activated Recycled Clay Brick Powder Foamed Concrete[J].China Concrete and Cement Products,2022(5):81-85,89.
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