【摘要】：目前，建筑施工越來(lái)越規(guī)范化，但是保護(hù)層厚度的控制方面卻仍然存在很多問(wèn)題，常常出現(xiàn)新建項(xiàng)目沒(méi)有或剛投入使用，，就因保護(hù)層控制不力出現(xiàn)裂縫、結(jié)構(gòu)破壞現(xiàn)象，嚴(yán)重影響耐久性。本文主要通過(guò)工程調(diào)研、現(xiàn)場(chǎng)檢測(cè)、專(zhuān)利研發(fā)和文獻(xiàn)查閱等方法對(duì)鋼筋保護(hù)層厚度的設(shè)計(jì)、施工、檢測(cè)和墊塊馬凳設(shè)置等方面進(jìn)行研究，給出了一種驗(yàn)算保護(hù)層厚度可靠性的計(jì)算方法，研發(fā)了一套自成體系的墊塊馬凳產(chǎn)品，提供了一種墊塊馬凳設(shè)置、驗(yàn)收的施工指導(dǎo)建議，為廣大設(shè)計(jì)、施工和管理人員提供了一套行之有效的保護(hù)層控制方法。具體研究?jī)?nèi)容概述如下： 1)結(jié)合國(guó)內(nèi)外對(duì)于保護(hù)層厚度設(shè)計(jì)的研究現(xiàn)狀，對(duì)鋼筋混凝土保護(hù)層承擔(dān)的作用和要求進(jìn)行了分析總結(jié)； 2)對(duì)比國(guó)內(nèi)外規(guī)范中關(guān)于保護(hù)層厚度的規(guī)定，分析了我國(guó)保護(hù)層厚度最小值的規(guī)定存在幾方面的問(wèn)題，和距離國(guó)外相應(yīng)規(guī)范的差距； 3)結(jié)合目前已有的一些碳化、銹脹開(kāi)裂模型，采用概率法分析了碳化與銹脹開(kāi)裂作為耐久性壽命標(biāo)準(zhǔn)時(shí)，保護(hù)層厚度與可靠度的關(guān)系，為計(jì)算保護(hù)層厚度的可靠性或驗(yàn)算保護(hù)層是否足夠提供了一種方法； 4)通過(guò)對(duì)實(shí)際工程調(diào)查、現(xiàn)場(chǎng)檢測(cè)以及對(duì)保護(hù)層控制現(xiàn)狀的研究，分析總結(jié)了在建筑工程實(shí)際中，保護(hù)層控制在設(shè)計(jì)、施工、檢測(cè)和墊塊馬凳設(shè)置等方面仍存在的問(wèn)題。并以此為依據(jù)，針對(duì)性的設(shè)計(jì)開(kāi)發(fā)了一套鋼筋定位產(chǎn)品，同時(shí)進(jìn)行了經(jīng)濟(jì)社會(huì)效益評(píng)價(jià)，解決了現(xiàn)有技術(shù)在負(fù)筋、箍筋、豎向鋼筋等定位過(guò)程中存在的各種問(wèn)題； 5)針對(duì)目前墊塊馬凳設(shè)置方面尚無(wú)詳細(xì)、規(guī)范的施工指導(dǎo)標(biāo)準(zhǔn)，結(jié)合云南省地方標(biāo)準(zhǔn)和國(guó)外相關(guān)規(guī)范，對(duì)各種材質(zhì)的墊塊和馬凳進(jìn)行分類(lèi)，針對(duì)各種構(gòu)件，分別對(duì)墊塊和馬凳的選用、設(shè)置間距、設(shè)置標(biāo)準(zhǔn)和驗(yàn)收標(biāo)準(zhǔn)進(jìn)行了詳細(xì)的建議，并對(duì)墊塊馬凳自身的強(qiáng)度、穩(wěn)定性和抗滑移能力進(jìn)行了研究，開(kāi)發(fā)了部分驗(yàn)證墊塊馬凳自身性能的專(zhuān)利，供設(shè)計(jì)和施工人員選用； 6)通過(guò)現(xiàn)場(chǎng)檢測(cè)，分析了鋼筋位置測(cè)定儀和雷達(dá)儀的保護(hù)層厚度檢測(cè)原理、方法和儀器存在一些問(wèn)題；并對(duì)實(shí)際參加的工程檢測(cè)鑒定的檢測(cè)數(shù)據(jù)，和青島數(shù)個(gè)工程項(xiàng)目的保護(hù)層厚度檢測(cè)驗(yàn)收的數(shù)據(jù)進(jìn)行了總結(jié)分析，分別分析了在檢測(cè)過(guò)程中反映出的保護(hù)層厚度控制問(wèn)題。
[Abstract]:At present, the construction is becoming more and more standardized, but there are still many problems in the control of the thickness of the protective layer. Often, new construction projects have not been built or have just been put into use. As a result of the weak control of the protective layer, cracks appear and the structure is destroyed. The durability is seriously affected. In this paper, through engineering investigation, on-site inspection, patent research and development and literature review, the design, construction, detection and setting of cushion horse stool of the thickness of the protective layer of steel bar are studied. In this paper, a calculating method of checking the reliability of the thickness of protective layer is given, a set of self-made products of cushion horse stool is developed, and a construction guidance suggestion for setting and acceptance of cushion horse stool is provided, which can be used for wide design. Construction and management personnel provide a set of effective protective layer control methods. The specific research contents are summarized as follows: 1) combined with the research status of the thickness design of the protective layer at home and abroad, the role and requirements of the reinforced concrete cover are analyzed and summarized; 2) contrasting the domestic and foreign regulations about the thickness of protective layer, analyzing the problems of minimum thickness of protective layer in our country, and the gap between the minimum value of the thickness of protective layer and the corresponding specification of foreign countries; 3) combined with some existing models of carbonation and rust expansion cracking, the relationship between the thickness of the protective cover and the reliability is analyzed by the probability method when carbonation and rust expansion cracking are taken as the durability life standard. A method is provided for calculating the reliability of the thickness of the protective layer or checking whether the protective layer is adequate; 4) through the investigation of the actual engineering, the field inspection and the research on the current situation of the protective layer control, the paper analyzes and summarizes the design and construction of the protective layer control in the construction engineering practice. There are still problems in testing and bench setting. Based on this, a set of steel bar positioning products is designed and developed, and the economic and social benefits are evaluated, which solves the problems existing in the existing technology in the positioning process of negative reinforcement, stirrups, vertical reinforcement, etc. 5) in view of the fact that there is no detailed and standard construction instruction standard in the present setting of the cushion horse stool, combined with the local standards of Yunnan Province and the relevant foreign codes, the paper classifies the cushions and the horse stools of various materials, aiming at various components, The selection, setting distance, setting standard and acceptance standard of cushion and horse stool are proposed in detail, and the strength, stability and anti-slip ability of cushion horse stool are studied. Developed a partial patent to verify the performance of the cushion horse bench for the design and construction personnel to choose; 6) based on the field test, the principle, methods and some problems of the thickness detection of the protective layer of the steel bar position detector and the radar instrument are analyzed. The test data of engineering inspection and appraisal and the data of thickness detection and acceptance of protection layer of several engineering projects in Qingdao are summarized and analyzed, respectively, and the control problems of protective layer thickness reflected in the testing process are analyzed respectively.
【學(xué)位授予單位】：青島理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2013
【分類(lèi)號(hào)】：TU755

【參考文獻(xiàn)】

相關(guān)期刊論文 前10條

1 鄭曉燕;吳勝興;;鋼筋混凝土粘結(jié)滑移本構(gòu)關(guān)系建立方法的研究[J];四川建筑科學(xué)研究;2006年01期

2 馬景才;姚繼濤;;混凝土結(jié)構(gòu)耐久性及各國(guó)最小保護(hù)層厚度對(duì)比分析[J];四川建筑科學(xué)研究;2008年04期

3 周岳年,嚴(yán)根寶,陸建民;新版施工質(zhì)量驗(yàn)收規(guī)范若干問(wèn)題的探討[J];工程質(zhì)量;2004年03期

4 張福生;;鋼筋的混凝土保護(hù)層厚度檢測(cè)問(wèn)題的探討[J];工程質(zhì)量;2008年11期

5 劉軍;李同群;;淺談鋼筋混凝土結(jié)構(gòu)鋼筋保護(hù)層作用及問(wèn)題處理[J];廣東建材;2006年08期

6 管永存;朱長(zhǎng)勝;嚴(yán)港琴;;淺談鋼筋混凝土保護(hù)層與施工控制[J];公路交通科技(應(yīng)用技術(shù)版);2011年12期

7 樂(lè)藝;彭介田;;淺談鋼筋混凝土保護(hù)層施工質(zhì)量通病及其控制措施[J];公路交通科技(應(yīng)用技術(shù)版);2011年S1期

8 徐岳;唐先習(xí);;基于混凝土自收縮的鋼筋保護(hù)層厚度數(shù)值分析[J];廣西大學(xué)學(xué)報(bào)(自然科學(xué)版);2010年01期

9 張建榮,黃鼎業(yè);鋼筋混凝土保護(hù)層厚度的誤差分析及構(gòu)造技術(shù)建議[J];工業(yè)建筑;1999年11期

10 袁迎曙,余索,賈福萍;銹蝕鋼筋混凝土的粘結(jié)性能退化的試驗(yàn)研究[J];工業(yè)建筑;1999年11期

相關(guān)碩士學(xué)位論文 前3條

1 陸華穎;基于神經(jīng)網(wǎng)絡(luò)的鋼筋混凝土保護(hù)層厚度檢測(cè)[D];西安工業(yè)大學(xué);2012年

2 馬景才;基于碳化壽命準(zhǔn)則的耐久性概率分析與設(shè)計(jì)方法[D];西安建筑科技大學(xué);2007年

3 林向武;標(biāo)準(zhǔn)化鋼筋間隔件在混凝土保護(hù)層施工質(zhì)量控制中的應(yīng)用研究[D];重慶大學(xué);2007年

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