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垫块机的应用是很广泛的
建筑材料中，垫块机的应用是很广泛的。在建筑过程中，水泥垫块可以作为其他物品特别是钢筋的保护层，所以水泥垫块的质量一定要可靠。下面我们介绍一些水泥垫块在建筑行业中的作用:
In building materials, the application of block machine is very extensive. In the construction process, the cement cushion block can be used as the protective layer of other items, especially the reinforcement, so the quality of the cement cushion block must be reliable. Here we introduce the role of some cement blocks in the construction industry:
1、承受外力作用保护层对钢筋有锚固力，利用混凝土与钢筋间的锚固力，两者紧密结合，共同参与工作。保护层过薄或缺失时，降低了它的锚固力，从而降低了结构抵抗轴力和弯矩的作用。
1. Bearing the external force, the protective layer has the anchoring force to the reinforcement, and the anchoring force between the concrete and the reinforcement is used. The two are closely combined to participate in the work together. When the protective layer is too thin or missing, its anchoring force is reduced, thus reducing the role of the structure against axial force and bending moment.
2、防火 保护层混凝土具有一定的隔热作用，遇到火灾时能对较易软化的钢筋进行保护。如果保护层厚度过薄，在高温环境下容易开裂，致使钢筋因过热而降低强度从而破坏整体结构。2003年湖南衡阳某工程就因大火燃烧产生的高温高热使钢筋软化导致坍塌并造成重大伤亡事故。
2. The concrete of fire protection layer has certain heat insulation function, and can protect the steel bars that are easy to soften in case of fire. If the thickness of the protective layer is too thin, it is easy to crack under high temperature environment, resulting in the decrease of the strength of the reinforcement due to overheating, thus damaging the overall structure. In 2003, a project in Hengyang, Hunan Province, softened the steel bars due to the high temperature and high heat produced by the fire, resulting in collapse and serious casualties.
3、维护结构耐久性 混凝土中保护层太薄容易渗入潮湿气体和水，过厚则易产生裂缝，这些都可能使钢筋锈蚀并膨胀，从而使混凝土遭受破坏，影响使用和结构安全。
3. The protective layer in the durability concrete of the maintenance structure is too thin and easy to penetrate into the humid gas and water, and too thick is easy to produce cracks, which may cause corrosion and expansion of the reinforcement, thus causing damage to the concrete, affecting the use and structural safety.
In building materials, the application of block machine is very extensive. In the construction process, the cement cushion block can be used as the protective layer of other items, especially the reinforcement, so the quality of the cement cushion block must be reliable. Here we introduce the role of some cement blocks in the construction industry:
1、承受外力作用保护层对钢筋有锚固力，利用混凝土与钢筋间的锚固力，两者紧密结合，共同参与工作。保护层过薄或缺失时，降低了它的锚固力，从而降低了结构抵抗轴力和弯矩的作用。
1. Bearing the external force, the protective layer has the anchoring force to the reinforcement, and the anchoring force between the concrete and the reinforcement is used. The two are closely combined to participate in the work together. When the protective layer is too thin or missing, its anchoring force is reduced, thus reducing the role of the structure against axial force and bending moment.
2、防火 保护层混凝土具有一定的隔热作用，遇到火灾时能对较易软化的钢筋进行保护。如果保护层厚度过薄，在高温环境下容易开裂，致使钢筋因过热而降低强度从而破坏整体结构。2003年湖南衡阳某工程就因大火燃烧产生的高温高热使钢筋软化导致坍塌并造成重大伤亡事故。
2. The concrete of fire protection layer has certain heat insulation function, and can protect the steel bars that are easy to soften in case of fire. If the thickness of the protective layer is too thin, it is easy to crack under high temperature environment, resulting in the decrease of the strength of the reinforcement due to overheating, thus damaging the overall structure. In 2003, a project in Hengyang, Hunan Province, softened the steel bars due to the high temperature and high heat produced by the fire, resulting in collapse and serious casualties.
3、维护结构耐久性 混凝土中保护层太薄容易渗入潮湿气体和水，过厚则易产生裂缝，这些都可能使钢筋锈蚀并膨胀，从而使混凝土遭受破坏，影响使用和结构安全。
3. The protective layer in the durability concrete of the maintenance structure is too thin and easy to penetrate into the humid gas and water, and too thick is easy to produce cracks, which may cause corrosion and expansion of the reinforcement, thus causing damage to the concrete, affecting the use and structural safety.
