blank bolt 中文意思是什麼
blank bolt
解釋
非切制螺栓-
The research results in this paper fill the blank of the theoretic studies on fatigue behavior of grid structure with bolt - sphere joints and the fatigue research method is perfected. i believe that conclusions and suggestions will become important references for the modification of < specification for design and construction of grid structure >
本文的研究成果填補了螺栓球節點網架疲勞性能在理論研究方面的空白，完善了疲勞研究方法，為《網架結構設計與施工規程》中疲勞設計方法的建立提供了重要依據。 -
Form ties bolt bore : bore drilling should be done when first time used form plate assembling on site to keep away from steel bar and reduce blank out bore happened
7對拉螺栓孔：第一次使用的模板應在現場組裝就位時鉆孔，以避開鋼筋，減少廢孔的出現。 -
The study on varied - amplitude fatigue behavior of large - span grid structure with hanging cranes is a blank field in the world. on the base of extensive investigation, from the viewpoint of loading, this paper widely discusses the development of fatigue loading spectrum in the fields of aviation, mechanism and civil engineering, listing the main technology standards of hanging crane and the engineering examples of partial grid structure with hanging crane in china, concluding the mechanic methods on tension - resistance fatigue design of bolt in china. america
設置懸掛吊車網架的變幅疲勞性能研究屬于當前的一個前沿課題，本文從載荷的角度，通過廣泛的調查和深入的研究，全面地論述了疲勞載荷譜在機械、航空、土木領域的進展情況，列出了國內部分已建或在建的設置懸掛吊車網架結構的工程實例和懸掛吊車主要的技術規格，詳細歸納了中國、美國、德國、日本、前蘇聯的螺栓抗拉疲勞設計理論以及美國、德國鋼結構協會關于高強螺栓抗拉疲勞設計的若干規定。
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