本书旨在为研究人员、工程师和学者提供一份详尽的指南，以应对低碳自密实混凝土的设计和性能研究挑战。主要内容涵盖了多个方面，包括自密实混凝土的基本性质、性能研究、原材料特性、设计方法、仿真分析和机器学习应用。本书深入探讨了基于颗粒堆积理论的设计原则，介绍了可压缩堆积模型和修正模型，以及讨论了如何优化骨料级配以实现低碳自密实混凝土的设计目标。最后，还介绍了最新的机器学习方法，用于低碳自密实混凝土的建模和性能预测。本书将提供实验室测试、仿真分析和实际应用案例，以帮助读者更好地理解和应用这些方法。
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国际材料与结构研究实验联合会（RILEM）会员、美国混凝土学会（ACI）会员、国际混凝土协会（FIB）会员、国际全寿命土木工程协会（IALCCE）会员
广东省科学技术奖一等奖
2021年广东教育教学成果奖二等奖（高等教育类）第一完成人
目 录
缩写表
前言
第 1 章 绪论 ····················································································· 1
1.1 自密实混凝土 ········································································ 2
1.2 低碳自密实混凝土 ·································································· 4
1.2.1 低碳自密实混凝土设计 ····································································· 4
1.2.2 基于颗粒堆积的低碳自密实混凝土设计理论与方法 ································· 5
1.2.3 机器学习在自密实混凝土设计及性能预测中的研究与应用 ························ 6
1.3 低碳自密实混凝土未来发展 ····················································· 13
参考文献 ···················································································· 13
第 2 章 可压缩堆积模型理论 ······························································· 16
2.1 引言 ··················································································· 16
2.2 CPM 的推导 ········································································· 16
2.2.1 无相互作用 ·················································································· 17
2.2.2 完全相互作用 ··············································································· 19
2.2.3 部分相互作用 ··············································································· 19
2.2.4 多元混合颗粒体系的实际堆积密实度 ················································· 22
2.3 CPM 的应用 ········································································· 23
2.3.1 CPM 基本材料参数的确定 ······························································· 23
2.3.2 多元混合颗粒体系的参数确定 ·························································· 24
2.3.3 CPM 的计算机实现 ········································································ 25
2.4 用水量富余指数及颗粒间隙指数 ··············································· 26
2.4.1 用水量富余指数 ············································································ 26
2.4.2 颗粒间隙指数 ··············································································· 27
2.5 本章小结 ············································································· 30
参考文献 ···················································································· 30
第 3 章 基于修正后的可压缩堆积模型的低碳混凝土设计及应用 ·················· 31
3.1 引言 ··················································································· 31
3.2 原材料性能测试 ···································································· 31
·vi· 低碳自密实混凝土基础与应用
3.2.1 粉体材料的粒度测试 ······································································ 31
3.2.2 粗细骨料的粒径分布测试 ································································ 32
3.2.3 砂石堆积密实度测试 ······································································ 33
3.2.4 粉体堆积密实度测试 ······································································ 34
3.3 骨料颗粒形貌参数研究 ··························································· 35
3.3.1 骨料颗粒几何形貌特性 ··································································· 35
3.3.2 骨料颗粒形貌参数测量 ··································································· 40
3.3.3 粗骨料颗粒形貌量化参数指标分析研究 ·············································· 49
3.3.4 细骨料颗粒形状参数指标分析研究 ···················································· 53
3.4 CPM 的修正及修正后的 CPM 的应用研究 ··································· 57
3.4.1 CPM 的修正 ················································································· 57
3.4.2 三元混合颗粒交互作用堆积研究 ······················································· 63
3.4.3 基于修正后的 CPM 的砂浆配合比设计 ··············································· 68
3.4.4 基于修正后的 CPM 的低碳混凝土配合比设计方法 ································ 75
3.5 本章小结 ············································································· 82
参考文献 ···················································································· 83
第 4 章 低碳自密实混凝土设计及应用 ··················································· 85
4.1 引言 ··················································································· 85
4.2 原材料及实验方法 ································································· 85
4.2.1 实验原材料 ·················································································· 85
4.2.2 原材料参数测定 ············································································ 89
4.2.3 实验测试方法 ··············································································· 91
4.3 堆积密实度对净浆、砂浆流变性能的影响 ··································· 94
4.3.1 材料组成对净浆流变性能的影响 ······················································· 94
4.3.2 材料组成对砂浆流变性能的影响 ····················································· 102
4.4 堆积密实度对自密实混凝土性能的影响 ···································· 111
4.4.1 材料组成对混合料堆积密实度的影响 ··············································· 111
4.4.2 堆积密实度对自密实混凝土工作性能影响的研究 ································ 114
4.4.3 堆积密实度对自密实混凝土力学性能影响的研究 ································ 123
4.4.4 固体颗粒分布模型对自密实混凝土性能影响的对比研究 ······················· 126
4.4.5 低胶凝材料用量的低碳自密实混凝土性能研究 ··································· 129
4.5 高密堆聚度的低碳自密实混凝土设计方法 ································· 131
4.5.1 高密堆聚度的低碳自密实混凝土配合比设计 ······································ 131
4.5.2 设计应用实例 ····································
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