A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention discloses a preparation method of autoclaved curing-free PHC pipe pile concrete. The PHC pipe pile concrete comprises the following components in parts by weight: 290 to 320 parts of cement, 90 to 120 parts of slag powder, 10 to 40 parts of glass powder, 1180 to 1220 parts of coarse aggregate, 720 to 760 parts of fine aggregate, 110 to 120 parts of water, 8 to 10 parts of a water reducing agent and 1 to 3 parts of an early strength agent, wherein the glass powder is powder particles formed by grinding and processing domestic waste glass. Cement, slag powder and glass powder are used as cementing materials, the sand ratio is controlled to be 35%-40%, and the water-binder ratio is 0.25-0.3. When the tubular pile concrete is prepared, firstly, waste glass is crushed and screened, and then 2000-2500-mesh glass powder is taken as an admixture; the coarse aggregate and the fine aggregate are put into a stirrer to be premixed, then the cement, the slag powder, the glass powder, the water, the polycarboxylate water reducing agent, the early strength agent and other raw materials are sequentially added, stirring and uniform mixing are continued, and the autoclaved curing-free PHC pipe pile concrete is obtained. The tubular pile concrete is small in porosity, meets the requirements of mechanical properties, can also reduce the production cost, simplify the production process and reduce the energy consumption requirements, and has a good application prospect.
本发明公开了一种免蒸压养护PHC管桩混凝土的制备方法，PHC管桩混凝土包括按重量份计的以下组分：水泥290‑320份、矿渣粉90‑120份、玻璃粉10‑40份、粗骨料1180‑1220份、细骨料720‑760份、水110‑120份、减水剂8‑10份和早强剂1‑3份；其中玻璃粉为生活废玻璃研磨加工而成的粉末颗粒。水泥、矿渣粉和玻璃粉作为胶凝材料，控制砂率为35％‑40％，水胶比为0.25‑0.3。该管桩混凝土制备时，先将废玻璃经过破碎和筛分后，取2000‑2500目的玻璃粉为掺和料；将粗细骨料放入搅拌机中进行预混合，然后依次加入水泥、矿渣粉、玻璃粉、水、聚羧酸减水剂及早强剂和其他原料，继续搅拌混合均匀，即得免蒸压养护PHC管桩混凝土。该管桩混凝土孔隙率小，达到了力学性能的要求，还能减少生产成本，简化生产工艺，降低能耗要求，具有良好应用前景。
The invention discloses a preparation method of autoclaved curing-free PHC pipe pile concrete. The PHC pipe pile concrete comprises the following components in parts by weight: 290 to 320 parts of cement, 90 to 120 parts of slag powder, 10 to 40 parts of glass powder, 1180 to 1220 parts of coarse aggregate, 720 to 760 parts of fine aggregate, 110 to 120 parts of water, 8 to 10 parts of a water reducing agent and 1 to 3 parts of an early strength agent, wherein the glass powder is powder particles formed by grinding and processing domestic waste glass. Cement, slag powder and glass powder are used as cementing materials, the sand ratio is controlled to be 35%-40%, and the water-binder ratio is 0.25-0.3. When the tubular pile concrete is prepared, firstly, waste glass is crushed and screened, and then 2000-2500-mesh glass powder is taken as an admixture; the coarse aggregate and the fine aggregate are put into a stirrer to be premixed, then the cement, the slag powder, the glass powder, the water, the polycarboxylate water reducing agent, the early strength agent and other raw materials are sequentially added, stirring and uniform mixing are continued, and the autoclaved curing-free PHC pipe pile concrete is obtained. The tubular pile concrete is small in porosity, meets the requirements of mechanical properties, can also reduce the production cost, simplify the production process and reduce the energy consumption requirements, and has a good application prospect.
本发明公开了一种免蒸压养护PHC管桩混凝土的制备方法，PHC管桩混凝土包括按重量份计的以下组分：水泥290‑320份、矿渣粉90‑120份、玻璃粉10‑40份、粗骨料1180‑1220份、细骨料720‑760份、水110‑120份、减水剂8‑10份和早强剂1‑3份；其中玻璃粉为生活废玻璃研磨加工而成的粉末颗粒。水泥、矿渣粉和玻璃粉作为胶凝材料，控制砂率为35％‑40％，水胶比为0.25‑0.3。该管桩混凝土制备时，先将废玻璃经过破碎和筛分后，取2000‑2500目的玻璃粉为掺和料；将粗细骨料放入搅拌机中进行预混合，然后依次加入水泥、矿渣粉、玻璃粉、水、聚羧酸减水剂及早强剂和其他原料，继续搅拌混合均匀，即得免蒸压养护PHC管桩混凝土。该管桩混凝土孔隙率小，达到了力学性能的要求，还能减少生产成本，简化生产工艺，降低能耗要求，具有良好应用前景。
Preparation method of autoclaved curing-free PHC pipe pile concrete
一种免蒸压养护PHC管桩混凝土的制备方法
WU ZHEN (author)
2021-07-13
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
/
B28B
Formgeben von Ton oder anderen keramischen Stoffzusammensetzungen, Schlacke oder von Mischungen, die zementartiges Material enthalten, z.B. Putzmörtel
,
SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
/
B28C
Tonaufbereitung
,
PREPARING CLAY
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