你的位置:水利论文 >> 论文 >> 江苏省 >> 南京水利科学研究院 >> 详细内容 在线投稿

钢板与浇注砼结合面脱空缺陷中子无损探测及结果数字显像方法研究【作者】易瑞吉 【…

热度167票 浏览238次 【共53条评论】【我要评论 时间:2007年7月01日 17:24
水利论文T7p9Kxs(y

钢板与浇注砼结合面脱空缺陷中子无损探测及结果数字显像方法研究水利论文+j8h/m)WL

|"~z8d#`s0【作者】易瑞吉 【导师】程和森水利论文$|9KRGa+b1r\ w0\K;~/E7I
【作者基本信息】南京水利科学研究院,水利水电工程,2007年,硕士水利论文(G4cbm1Qd [

水利论文n/vG2Vj yk&k}.`


3U#EJ9T5a;N |0【中文摘要】 钢板衬砌砼结构为水利、水电等工程普遍采用。当砼浇注施工质量不好时,在钢板与砼之间会产生脱空缺陷,严重时会威胁工程运行安全。长期以来,人们曾采用x-射线、γ-射线和超声波方法进行探查尝试,但都未能奏效。目前工程上只能采用较原始的槌击法检查,常因误判而造成钢结构的不必要的破坏。鉴于此,本文提出利用快中子散射法无损探测脱空缺陷,以解决这一工程难题,做了以下研究工作:a)通过对快中子与钢板和砼两种不同介质作用时的机理研究,了解复合界面层快中子慢化的差异性;b)以大量室内模拟标定试验为依据,确定了结合面脱空缺陷空间形态与所形成的热中子浓度(计数率)大小和分布之间关系;c)采用缺陷分割,分块对比分析,实现了脱空检测结果的数字化显像;d)以天生桥一级电站工程4#蜗壳为例,验证了钢板与浇注砼结合面脱空缺陷中子无损探测及结果数字显像方法在实际应用中的可行性。

\ a2~x7K0水利论文3p]dL-IU,{:gd

【英文摘要】 Concrete structure overcasted by steel plate is widely adopted in hydraulic and hydroelectric engineering. If the concrete is poorly poured there will be come-away defect between the steel plate and concrete, which threats the running safety of the project for severity. People have been long attempting to use x-ray,γ-ray and ultrasonic to make detection, but without any effect. At present, it can only use the relatively primitive mallet-striking way to examine the structure. But it often cause unwanted damage to the steel structure out of misjudgement. Whereas, this dissertation proposes to apply Fast Neutron Scattering to detect the cavity defects without any damage so as to resolve this difficult engineering problem, and hence the following research is made:a) Find out the moderation difference of fast neutrons inside the complex interface through the mechanism study of between fast neutrons and steel plate and also fast neutrons and concrete.b) On the basis of abundant laboratory si...更多mulation demarcate experiments, determine the spatial configuration of the cavity defect in complex interface, and along with the relation between thermal neutrons density (counting rate) and distributionc) Contrast analysis after defect division and partition realizes digitization image-display of the come-away examination result.d) Take the 4th volute in Tianshengqiao 1st Grade Power Station as example, validate the feasibility of digitization image-display as well as neutron non-damage detection of come-away defect inside the steel plate & concrete complex interface in practical application.  还原水利论文 vU5D-qg @a6{

水利论文{W w6IYP a G

【中文关键词】 钢板衬砌砼; 脱空缺陷; 快中子; 无损检测; 数字显像
^gt.U/| h;Rk0【英文关键词】 Concrete structure overcasted by steel plate; cavity defects; non-destructive testing; digitization image-display
3N TM;x B yuC;K5cw0

v9]1}r,DU([0

9t f*he.F0 

Ju#W(R~2s0
TAG: 缺陷 中子 易瑞吉 数字 钢板
顶:33 踩:26
【已经有109人表态】
23票
极差
15票
很差
12票
较差
16票
稍差
11票
稍好
13票
较好
10票
很好
9票
极好
下一篇:顺直微弯河段整治水位与整治线宽度对航道整治效果影响研究【作者】肖立敏 【导师】…
上一篇:基于薄壁理论的工程结构复合弯扭相关性研究【作者】涂启华 【导师】胡少伟
水利论文安徽省电信网友 [mlia0t9c] ip: 117.68.*.*
2015-08-17 17:48:09
You can't deny your lady friend something special when you ha <a href="http://www.shoptheravensjerseys.com/Elite-Jonathan-Ogden-Ravens-Jersey/">Jonathan Ogden Ravens Jersey</a> ve the power to deliv <a href="http://www.shoptheravensjerseys.com/">Baltimore Ravens Jerseys</a> er.723. There are treatment centres at present that are designed with the latest technology.Ia7.A 4-speed manual was available for the 316 and 318i (Getrag 220). It is always going to help that you have an idea of the
水利论文Unknown网友 [lkad5fdb] ip: 183.160.*.*
2015-08-18 17:05:20
The word mea <a href="http://www.authenticnfljerseychina.com/">Cheap Authentic NFL Jerseys</a> ning cliche exactly what?! In the wikipe <a href="http://www.authenticnfljerseychina.com/">Cheap NFL Jerseys</a> dia search it, you will see Cheap Authentic NFL Jerseys this explanation: “A cliche is an element of an artistic labor which has been o <a href="http://www.authenticnfljerseychina.com/">Cheap Jerseys</a> verused to the point of losing its original meaning or effect, especially when at some earlier time it was consid
水利论文安徽省电信网友 [nypd1doi] ip: 117.67.*.*
2015-12-28 17:40:20
Many of you are probably familiar with exercises su <a href="http://www.footballchiefsauthentic.com/women-tamba-hali-jersey/">Chiefs Tamba Hali Jersey</a> ch as the sit-up, which is an exe <a href="http://www.footballchiefsauthentic.com/women-derrick-thomas-jersey/">Derrick Thomas Jersey</a> rcise that can be used to train the core.Some benefits of going the surgery route can include the stabilization, improved alignment or replacement of a joint so that yo <a href="http://www.footballchiefsauthentic.com/women-steven-nelson-jersey/">Steven Nelson Jersey</a> u can have greater mobility, flexibility, overal
水利论文IANA网友 [nopd7roi] ip: 223.240.*.*
2015-12-28 20:35:42
Cleanliness is a virtue, whether of  <a href="http://www.rosherunsverige.com/">http://www.rosherunsverige.com/</a> the body,http://www.rosherunsverige.com/, mind,nike r <a href="http://www.rosherunsverige.com/nike-roshe-run-svart.html">nike roshe run svart vit</a> oshe run svart vit, or face. Some signs to watch for concern, sleeping all of the time,nike air force 1 low dam rea, not consuming, not seeking to <a href="http://www.rosherunsverige.com/nike-air-force-1-rea/air-force-1-low-dam.html">nike air force 1 low dam rea</a>  leave the house, and drinking or drug use. If a gout flare occur
水利论文安徽省电信网友 [dj2gyqgr4c] ip: 117.67.*.*
2015-12-29 03:13:27
This particular more attribute connected with pro <a href="http://www.seahawksfootballgear.com/women-doug-baldwin-jersey/">Doug Baldwin Jersey</a> ducts and services gives a superb sociable sizing to a frequently m <a href="http://www.seahawksfootballgear.com/women-derrick-coleman-jersey/">Derrick Coleman Jersey</a> ain hobby. Sign up now using our convenient online form and gain in effect instant right of entry to the cutting-edge postings for dance auditions and dance jobs. Using this method at <a href="http://www.seahawksfootballgear.com/women-russell-wilson-jersey/">Seahawks Russell Wilson Jersey</a>
水利论文安徽省电信网友 [nypd1doi] ip: 117.67.*.*
2016-03-11 20:13:42
Different <a href="http://www.theseahawksshoponline.com/Youth-Doug-Baldwin-Seahawks-Jersey/">Doug Baldwin Jersey</a>  orbits are used for different <a href="http://www.theseahawksshoponline.com/Youth-Tyler-Lockett-Seahawks-Jersey/">Tyler Lockett Jersey</a>  applications, e.  SSON spoke recently with Shinichi Yamada, of NTT Data Corp.  Satellite technology and instrumentsEvery satellite launched into space will carry its own <a href="http://www.theseahawksshoponline.com/Youth-Earl-Thomas-Iii-Seahawks-Jersey/">Earl Thomas III Jersey</a>  unique set of instruments or technology, relevant to the mission.And they scread. The law
水利论文Unknown网友 [mlia0t9c] ip: 183.160.*.*
2016-03-23 22:40:16
You need a long range plan for  <a href="http://www.footballredskinsonline.com/women-trent-williams-jersey/">Trent Williams Jersey</a> y <a href="http://www.footballredskinsonline.com/women-matt-jones-jersey/">Redskins Matt Jones Jersey</a> our work and life when you絩e over 40Given the climate of uncertainly,Trent Williams Jersey, this is the best time of all to make a plan for your life that centers around your work.Before the hearing, you <a href="http://www.footballredskinsonline.com/women-sean-taylor-jersey/">Sean Taylor Jersey</a>  may need to supplent your claim with more written evidence, incl
水利论文Unknown网友 [nopd7roi] ip: 183.160.*.*
2016-03-24 02:26:04
Spy pen caras usually fall into the real <a href="http://www.goedkoopairmax2016.nl/">nike air max 2016 kopen</a> m of the wireless type caras. * Individuals with a family <a href="http://www.goedkoopairmax2016.nl/adidas-superstar-foundation.html">adidas superstar foundation zwart</a>  historical past of thyroid cancer or who has a rare syndrome involving a number of gland tumors are at greater danger for thyroid cancer. Bundesliga in the 2002/03 season. At the cellular  <a href="http://www.goedkoopairmax2016.nl/nike-air-max-90/nike-air-max-90-grijs.html">nike air max 90 grijs wit</a> level, we now
水利论文Unknown网友 [lkad5fdb] ip: 183.160.*.*
2016-06-05 12:41:32
This plant consists of mucilage,Chris Clark Jersey, that is regarded as excel <a href="http://www.shopthebroncosjerseysonline.com/Elite-Chris-Clark-Broncos-Jersey/">Chris Clark Jersey</a> lent in coating and soothing the  <a href="http://www.shopthebroncosjerseysonline.com/Elite-Dennis-Smith-Broncos-Jersey/">Dennis Smith Jersey</a> liner from the wind pipe. Simeons. Prince and K-Swiss Tennis shoes.Selecting the Right PPEPPE protects employees against identified hazards. There are a great deal of Filipina females insid <a href="http://www.shopthebroncosjerseysonline.com/Elite-Peyton-Manning-Broncos-Jersey/">Peyton Manning Womens Jersey</a> e
水利论文Unknown网友 [nypd1doi] ip: 183.160.*.*
2016-06-21 20:27:22
Suffolk has a range of breath of air-using  <a href="http://www.theeagleslockroom.com/AUTHENTIC-WALTER-THURMOND-EAGLES-JERSEY/">Walter Thurmond Jersey</a> and calming bac <a href="http://www.theeagleslockroom.com/AUTHENTIC-KIKO-ALONSO-EAGLES-JERSEY/">Kiko Alonso Womens Jersey</a> kyards wide open for website visitors to enjoy and explore. Once Walter Thurmond Jersey you have found the right loan, take a hard look at your spending habits and make the necessary changes for a <a href="http://www.theeagleslockroom.com/AUTHENTIC-DARREN-SPROLES-EAGLES-JERSEY/">Darren Sproles Jersey</a>  healthy financial future. I've seen Febreze c
水利论文Unknown网友 [lkad5fdb] ip: 183.160.*.*
2016-09-12 06:51:18
Did you get almost as much paint in your hair as you did on the walls i <a href="http://www.islandershockeyjerseys.com/authentic-josh-bailey-islanders-jersey-sale/">Islanders Josh Bailey Jersey</a> n your last paint job? You can easily remove that undesirable tint by moistening a cotton ball with some olive oil and gently rubbing it into your hair. Restore the lost lustre of your wooden furniture by whipping up some serious
水利论文IANA网友 [nypd1doi] ip: 223.240.*.*
2016-10-06 02:20:51
When choosing an athletic shoe, consider how the shoe will be used. The a <a href="http://www.shopthefalconsonline.com/Elite-Matt-Schaub-Falcons-Jersey/">Matt Schaub Falcons Jersey</a> verage family consists of anywhere between two to five people, and  <a href="http://www.shopthefalconsonline.com/Elite-Keanu-Neal-Falcons-Jersey/">Keanu Neal Falcons Jersey</a> although they all share many character and physical traits, conflicts exist due to each person’s Matt Schaub Falcons Jersey individual qualities.victimasdemedi <a href="http://www.shopthefalconsonline.com/Elite-Jacob-Tamme-Falcons-Jersey/">Jacob Tamme Falcons Jersey</a> c
水利论文安徽省合肥市电信网友 [nopd7roi] ip: 60.168.*.*
2016-11-26 03:59:58
When there is a competition there is a winner and loser. Keep him well-groomed,  <a href="http://www.bottessoldesenligne.fr/ugg-bailey-bow.html"> ugg noeud papillon pas cher</a> and limit his exposure to the cold until his winter coat has gr <a href="http://www.bottessoldesenligne.fr/"> bottes ugg soldes</a> own in fully. , the main event, the championship bout and you worked out like a dog. Alex Rodriguez would monopolize the team's at-bats at designated hitter <a href="http://www.bottessoldesenligne.fr/ugg-bailey-button/ugg-bailey-button-mini.html"> ugg mini bailey button gris</a> .
水利论文安徽省电信网友 [kidc5b0a] ip: 117.68.*.*
2017-01-05 23:22:26
This is the Cheap MLB Jerseys total dollars from sales activity <a href="http://www.wholesalecheapnfl.us.com/">Cheap MLB Jerseys</a>  th <a href="http://www.wholesalecheapnfl.us.com/">Cheap NFL Jerseys</a> at you bring into your business each month or year. Just remember to always maintain your pleasure, after all this is meant to be fun.He's just the fifth pitcher since 1961 to accomplish the feat.  <a href="http://www.wholesalecheapnfl.us.com/">Cheap Jerseys</a> The full-throated choruReport Cubs Cl
水利论文安徽省电信网友 [osdj44l3] ip: 117.68.*.*
2017-01-11 06:14:27
Problem solved!Alan Francis, entrepreneur & avid <a href="http://www.cheapnfljerseysdiscount.us.com/">Cheap NFL Jerseys</a>  10 hcp golfer. Prefera <a href="http://www.cheapnfljerseysdiscount.us.com/">Cheap Jerseys From China</a> bly by prayer based on the scriptures.Gradshop.InAdmission,he manages to meld the two types into a hybrid that is funny, heartwarming, and even a little sad Ch <a href="http://www.cheapnfljerseysdiscount.us.com/">Cheap Nike NFL Jerseys</a> eap NFL Jerseys at Cheap Jerseys From China times.Author's Resource Bo
水利论文安徽省电信网友 [nopd7roi] ip: 117.68.*.*
2017-01-11 09:00:35
Compost fertilizers also preserve the top soil <a href="http://www.teammlbmarinersshop.com/authentic-hisashi-iwakuma-mariners-jersey/"> Hisashi Iwakuma Jersey</a>  on the land  <a href="http://www.teammlbmarinersshop.com/authentic-austin-jackson-mariners-jersey/"> Austin Jackson Jersey</a> to which it is applied; thus reducing top soil erosion. Located proper where French,  Hisashi Iwakuma Jersey , German,  Austin Jackson Jersey , and Swiss borders meet, it also has suburbs in Fr <a href="http://www.teammlbmarinersshop.com/"> Seattle Mariners Home Jerseys</a> ance and Germany. A police reports is also one o
水利论文安徽省电信网友 [lkad5fdb] ip: 117.68.*.*
2017-02-16 19:18:52
Two weeks ago, Pere <a href="http://www.roshe.ch/nike-free-flyknit/nike-free-3-0-flyknit.html">nike free 3.0 flyknit damen schwarz</a> z's Banah Sugar filed for Chapter 11 bankruptcy, report <a href="http://www.roshe.ch/nike-roshe-one-print.html">nike roshe run print damen schwarz</a> ing it owed between $1 million and $10 million to a list of 232 people and companies in its February 21 filing.html>golf equipment. Within <a href="http://www.roshe.ch/nike-roshe-one-blumen.html">nike roshe run blumen schwarz</a>  one year, they will have likely outgrown the glove, so what's the point of buying a glo
水利论文安徽省电信网友 [dj2gyqgr4c] ip: 117.68.*.*
2017-02-16 23:55:30
The 'vbs' extension was concealed by way of default,nike juvenate grise femme, m <a href="http://www.supercolorsuperstar.fr/nike-juvenate-grise.html">nike juvenate grise femme</a> ajor unsuspecting end users <a href="http://www.supercolorsuperstar.fr/chaussures-nike-free-run-france/nike-free-5-0-v4.html">nike free 5.0 v4 femme</a>  toward feel it was just a terms document (the moment within truth it was a Visible Simple script). If he'd hung onto that ball, he would have been walking on clouds and be the pride of the te <a href="http://www.supercolorsuperstar.fr/adidas-yeezy-boost-350.html">adidas yeezy boost 350 femme</a> a
水利论文Unknown网友 [nypd1doi] ip: 183.160.*.*
2017-03-19 18:47:07
The cars are visually brilliant as we <a href="http://www.rosheuk.biz/nike-roshe-one-hyperfuse.html">nike roshe hyperfuse black</a> ll as second closer to other racing games (albeit the environments d <a href="http://www.rosheuk.biz/puma-rihanna-creepers-uk/puma-rihanna-creepers-pink.html">puma rihanna creepers pink</a> on't really punch these tall standards). Cars aren’t permitted on this island,nike roshe hyperfuse black, so the hustle and bustle of on a regular basis life a <a href="http://www.rosheuk.biz/nike-flower-print/air-max-90-floral.html">nike air max 90 floral uk</a> ppears to disappear. Purchasing shoe
水利论文Unknown网友 [nypd1doi] ip: 183.160.*.*
2017-03-19 20:07:57
"锘?To be useful exactly re <a href="http://www.airpegasussaldi.it/nike-juvenate-saldi/nike-juvenate-uomo.html">nike juvenate uomo</a> ceive is the principal competence of volley ball to r <a href="http://www.airpegasussaldi.it/scarpa-nike-dunk/nike-dunk-sky-high.html">nike dunk sky high rosse</a> un the offence of your TEAM effectively. If on your own identify out your laptop or computer is contaminated with a virus,nike juvenate uomo, it can be unbelievably unattainable toward take  <a href="http://www.airpegasussaldi.it/nike-air-pegasus-new-racer.html">nike air pegasus new racer uomo</a> out and incredibly tense toward
查看全部回复【已有53位网友发表了看法】

广告投放

广告投放