German “prefabricated component” mobile crane, great!
by ▽ stamp the blue word “crane house” to pay attention to us! This prefabricated crane was specially customized by lehde company of Germany for an …
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Fatigue: the fatal killer of mechanical components
Fatigue is a fatal killer of all construction machinery. The construction machinery mentioned here includes aircraft flying in the sky, trains, cars and tanks running …
Learn components well and eliminate practices and cases!! Difficult to understand component structure analysis in self spraying!
This paper introduces the principle and structure of special components in automatic sprinkler system! 1. As the ambient temperature of the dry-type sagging nozzle is …
Exquisite components · the beauty of Chinese ancient architecture
Chinese architectural art has a long history, with four cornices cocked up, or fluttering to fly, or standing to float, making solidification seem ready to …
Key points of fire endurance and combustion performance of building components + Exercise consolidation | daily lesson of fire protection
New fire fighting column [daily lesson] after the opening, it won the love of all students. Everyone clocked in to learn in the message area, …
Wonderful use of components: accurate calculation method for column facing thermal insulation components
At present, many civil buildings adopt high-performance autoclaved sand aerated concrete block wall self insulation system in the thermal insulation design. Generally, the thickness of …
Special fire resistance limit of industrial building components. Remember these 12 items!
1. Ceiling # the ceiling of incombustible materials in buildings with class II fire resistance rating has unlimited fire resistance limit. 2. The fire resistance …
Breakthrough in core components! Let’s see how the manned cabin of the 10000 meter submersible is refined?
The Chinese manned submersible under construction plans to challenge the depth of 10000 meters under the sea in 2020. Recently, the manned ball cabin, the …
The components of the old bridge have been salvaged to multiple piers, and new discoveries continue!
On the afternoon of August 16, after a rain, the temperature dropped. Workers were salvaging the components of Tunxi Old Bridge in the river. This …
Influence of primary and secondary relationship of components on reinforcement calculation
This is the 772nd original article on calculation principle of cost of xinxiangrong school | author / Zhang Xiangrong sorting / Zhang Mingya finished the …