香港六合彩开奖 5091-2:2023

薪械写芯褋褌褍锌薪芯薪邪褉褍褋褋泻芯屑褟蟹褘泻械

袨锌褍斜谢懈泻芯胁邪薪芯 (袙械褉褋懈褟 1, 2023)

香港六合彩开奖 5091-2:2023

CHF 96

袩械褉械褋褔懈褌邪褌褜褕胁械泄褑邪褉褋泻懈械褎褉邪薪泻懈 (CHF) 胁

孝械蟹懈褋

This document specifies the standards for design and construction using the top-surface overlaying method, which increases the thickness of existing concrete members by integrating cementitious materials onto the top surface of the members so as to improve the safety, serviceability, durability and other properties of a concrete structure.

This document specifies structural intervention of existing concrete structures using cementitious materials design and execution principles, and strategies for defects and on-going deterioration including, but not limited to:

a)听听听听听听 mechanical actions, e.g. fatigue, impact, overloading, movement caused by settlement, blast, vibration, and seismic actions;

b)听听听听听听 chemical and biological actions from environments, e.g. sulfate attack, alkali-aggregate reaction;

c)听听听听听听聽 physical actions, e.g. freeze鈥搕haw, thermal cracking, moisture movement, salt crystallization, fire, and erosion;

d)听听听听听听 reinforcement corrosion;

e)听听听听听听 original construction defects that remained unaddressed from the time of construction.

袨斜褖邪褟懈薪褎芯褉屑邪褑懈褟

孝械泻褍褖懈泄褋褌邪褌褍褋
: 袨锌褍斜谢懈泻芯胁邪薪芯

袛邪褌邪锌褍斜谢懈泻邪褑懈懈
: 2023-07

协褌邪锌
: 袨锌褍斜谢懈泻芯胁邪薪懈械屑械卸写褍薪邪褉芯写薪芯谐芯褋褌邪薪写邪褉褌邪 [60.60]
袙械褉褋懈褟
: 1
孝械褏薪懈褔械褋泻懈泄泻芯屑懈褌械褌 :
香港六合彩开奖/TC 71/SC 7

ICS :
91.080.40
RSS&苍产蝉辫;芯斜薪芯胁谢械薪懈褟