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轻型钢结构建筑要注意哪些?

来源:http://www.jnghbxg.com 日期:2021-10-12 发布人:admin 浏览次数:
一、钢结构重量轻。钢结构的容重虽然较大,但与其它建筑材料相比,它的强度却高很多,因而当承受的荷载和条件相同时,钢结构要比其它结构轻,便于运输和安装,并可跨越更大的跨度。
1、 The steel structure is light in weight. Although the unit weight of steel structure is large, its strength is much higher than that of other building materials. Therefore, when the load and conditions are the same, the steel structure is lighter than other structures, convenient for transportation and installation, and can span a larger span.
二、钢材的塑性和韧性好。塑性好,使钢结构一般不会因为偶然超载或局部超载而突然断裂破坏。韧性好,则使钢结构对动力荷载的适应性较强。钢材的这些性能对钢结构的安全可靠提供了充分的保证。
2、 Steel has good plasticity and toughness. Good plasticity, so that the steel structure will not break suddenly due to accidental overload or local overload. Good toughness makes the steel structure more adaptable to dynamic load. These properties of steel provide sufficient guarantee for the safety and reliability of steel structure.
三、钢材更接近于匀质和各向同性体。钢材的内部组织比较均匀,非常接近匀质和各向同性体,在一定的应力幅度内几乎是完全弹性的。这些性能和力学计算中的假定比较符合,所以钢结构的计算结果较符合实际的受力情况。
3、 Steel is closer to homogeneous and isotropic body. The internal structure of steel is relatively uniform, very close to homogeneous and isotropic body, and almost completely elastic within a certain stress amplitude. These properties are consistent with the assumptions in mechanical calculation, so the calculation results of steel structure are more consistent with the actual stress situation.
济南轻型钢结构
四、钢结构制造简便,易于采用工业化生产,施工安装周期短。钢结构由各种型材组成,制作简便。大量钢结构都在化的金属结构制造厂中制造;精确度高。制成的构件运到现场拼装,采用螺栓连接,且结构轻,故施工方便,施工周期短。此外,已建成的钢结构也易于拆卸、加固或改造。
4、 The steel structure is easy to manufacture, easy to adopt industrial production and short construction and installation cycle. The steel structure is composed of various profiles, which is easy to manufacture. A large number of steel structures are manufactured in specialized metal structure manufacturing plants; High accuracy. The fabricated components are transported to the site for assembly, connected by bolts, and the structure is light, so the construction is convenient and the construction period is short. In addition, the built steel structure is also easy to disassemble, reinforce or transform.
五、钢结构的密封性好。钢结构的气密性和水密性较好。
5、 The steel structure has good sealing performance. The steel structure has good air tightness and water tightness.
六、钢结构的耐热性好,但防火性能差。钢材耐热而不耐高温。随着温度的升高,强度就降低。当周围存在着辐射热,温度在150度以上时,就应采取遮挡措施。如果一旦发生火灾,结构温度达到500度以上时,就可能全部瞬时崩溃。为了提高钢结构的耐火等级,通常都用混凝土或砖把它包裹起来。
6、 Steel structure has good heat resistance, but poor fire resistance. Steel is heat-resistant but not high temperature resistant. As the temperature increases, the strength decreases. When there is radiant heat around and the temperature is above 150 ℃, shielding measures shall be taken. In case of fire, when the structure temperature reaches more than 500 degrees, it may collapse instantaneously. In order to improve the fire resistance rating of steel structure, it is usually wrapped with concrete or brick.
七、钢材易于锈蚀,应采取防护措施。钢材在潮湿环境中,特别是处于有腐蚀介质的环境中容易锈蚀,必须刷涂料或镀锌,而且在使用期间还应定期维护。
7、 Steel is easy to rust, so protective measures shall be taken. Steel is easy to rust in humid environment, especially in the environment with corrosive medium, so it must be painted or galvanized, and regular maintenance shall be carried out during use.
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