1.1 Rounding off for numerical values play 1.2 Rounding off for numerical values - Special rounding intervalplay 2.1 Physical constants of rock materials play 2.2 Water absorption of rock materials play 2.3 Weather resistance of rock materials play 2.4 Compressive strength test of rocksplay 2.5 Chemical properties of rock materials play 2.6 Classification of aggregates play 2.7 Aggregates densityplay 2.8 Moisture content and water absorption of aggregatesplay 2.9 Evaluation of coarseness and fineness of sand for constructionplay 2.10 Calculation of screening parameters play 2.11 Drawing of grading curves play 2.12 Silt content, stone powder content, and clay lump content of aggregateplay 2.13 Grain gradation of coarse aggregate play 2.14 Maximum size of coarse aggregate play 2.15 Elongated and flaky coarse aggregate play 2.16 Strength determination of coarse aggregates - Crushing valueplay 2.17 Strength determination of coarse aggregates - Compressive strength of rockplay 2.18 Design of Mineral Mixture Composition - Gradation theoryplay 2.19 Preparation of Mineral Mixture - Trial method play 2.20 Design of Mineral Mixture Composition - Graphical methodplay 3.1 Classification and characteristics of lime play 3.2 Production of ordinary cement play 3.3 Classification of ordinary cement play 3.4 Characteristics of ordinary cement play 3.5 Main Technical Indexes of Common Cement - Chemical indicatorsplay 3.6 Main Technical Indexes of Common Cement - Fineness play 3.7 Main Technical Indexes of Common Cement - Water consumption at normal consistencyplay 3.8 Main Technical Indexes of Common Cement - Setting time play 3.9 Main Technical Indexes of Common Cement - Volume stabilityplay 3.10 Main Technical Indexes of Common Cement - Strength play 3.11 Calculation and judgment of cement strength play 4.1 Overview of cement concreteplay 4.2 Workability of fresh concreteplay 4.3 Strength of Hardened Concrete play 4.4 Concrete Additiveplay 4.5 Other Functional Concreteplay 4.6 Selection of concrete component materials play 4.7 Mix proportion design of ordinary cement concrete play 4.8 Preliminary mix design of ordinary cement concrete play 4.9 Design of basic mix proportion, laboratory mix proportion and construction mix proportion of coplay 4.10 Practical explanation of concrete mix proportion designplay 5.1 Masonry mortarplay 6.1 Overview of asphaltplay 6.2 Production process and classification of petroleum asphaltplay 6.3 Element composition, component analysis and colloidal structure of petroleum asphaltplay 6.4 Viscosity of petroleum asphalt play 6.5 Plasticity of petroleum asphalt play 6.6 Temperature sensitivity of petroleum asphalt play