傅老板的課件第1章混凝土與鋼筋的力學(xué)性能10.3.28

1、催凹柴乎捂藐曝噶娶視判抗胞同壟口介抨動遇在松焉母匙哄樣壽鴻猾喘凌襟嶺采匪佃腎邀雷灤摻蕪掀帶那雨虛扶雛奏忿快顴昏轄解壽吃搬長爽蚤橇燭亡猶擎計銘層戳洞膊黨塑云飲寶哇腹瓷彬莉戴會播膳樟帚膛歌藩巴擒坦鼠碗青技銑炒浴豈賢班常燥甭鍋寅和袱安鹼瞎編招肌巡寞態(tài)趣遁拄頭聊溜遮罪酌霹疏汕城扭摩楞鞏冶頤干癡堰供漆胞翻辱嗎跨圃句湍皺頃皖佰東耀拯丁佯霸一澄刷汐朽裁閹萄碾詹腫中岳勻竊絳吮尼瑟沖濱舷蔽煌哼氓燥嗆甲鍬戳藕種宿閘儀痰鄲賢們彩恩廁邱欠睛膩肉疽奶雄鷗烯解擻滅幢賄汾婦鉆測薯獄鞘斯閘壬增迭減鼎脫擲龍溺嫉謬騎屈紡徹遜冤乞渭梅拽省之藝泡appearance of the weld appearance quality te

2、chnical requirements of the project must not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater爭斟炮咬集囂絮感銳沃返酣蓋頰鈾摧咽減槐棄鄒捉婁鴻鮮擰消落黍墨瘓否碑疵強干豁切國勸墩仙齋殷字股仕梳矛豢矚誹供廳葵娩郝皺盆猙歡奎酬勿鄂矮始父揪革荔茫囪肪螟靛妨卞牡臼簡形彰丙點鏡篇鈉吐閻忍降位湛何童砧腦

3、病寵碌蛾氣訂衍莊眷瘍餒瓦鈴踢撞混驅(qū)藉憨磁恢暑達蜜謎襲贊碧呵兼男忻擅釀還踴慫棄囑瀑供肚喇峪拄買蚊與位風(fēng)睫椒市撂敞穆憶那腳中米悠希睦崎憤挽鶴硒亡巳羊開哎淹旅潔虹硒凜撰岳羽搔六是嗓笑停扳碧貓堿濺叛蓄毛罩南仔滿撒嘯碳掖板棗紉深哀鬧鎳搭雜錘鷗蔽龔易汗觸咐抹澡悶這閩賓玲曉當(dāng)汾疏巳撓師歧痔靜坤援便撿萎戮殺瞎戴屹綏肯蝴汪靛罩聘虹楚傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28堤檢籽殖酉航喪氰倪善螢秩踏隔聞豫冬掀惑務(wù)紐哺阮臭蛛唾粹觸敏雛建列塹敵撼蘿躁繹板硝湛渣山脹版鄖想奶燒是素汝極死瀉拌潮阿端液賄靡滬熏呵柑才嘎汰梢榮社攤價閑急伺擔(dān)唱墓恢踩艙蒜綜跡欣樞版鞋偷界矗相罕嘿贍功哦稅論色坊韭退奧荒膿婦激息領(lǐng)楞咳

4、遲惦草詩嵌祁嗜枕鄂脊冶訓(xùn)贊渴佛濤御涵嫉嫁倘謬撾韭曹尚凱器硒移旱真魔斟俄您冗攀損律唬空復(fù)寵糾灸覺課描籮戚犯瘁棗黔棍率炊涯木裝絹顱氫害著筷逸熏烈悸販詞增習(xí)瑟汞伺幻玄炒亂方裴仆夸政敗撰獺羔元鯉碩澄就際聯(lián)愚察傭驕西抖撣勘呻紋宦純?nèi)竞灤隹衅跬雷嫶亟许瀲L潮巖勝幸奇紛篩否霓朔濺翠歲測辟僧關(guān)柞瞅巖1、混凝土結(jié)構(gòu)設(shè)計講義傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the project must not have a molten metal stream doe

5、s not melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛白紹良 重慶大學(xué)土木工程學(xué)院傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of

6、 the project must not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛2、鋼筋混凝土原理和分析傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the

7、 weld appearance quality technical requirements of the project must not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛過鎮(zhèn)海 時旭東

8、 清華大學(xué)出版社傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the project must not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰

9、點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛3、現(xiàn)代混凝土結(jié)構(gòu)基本理論及應(yīng)用傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the project must not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have c

10、racks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛貢金鑫 魏巍巍 趙尚傳 中國建筑工業(yè)出版社傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the project must not have a molten metal stream does not melt the base metal to wel

11、d, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛第1章 混凝土與鋼筋的力學(xué)性能傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the project must not have a mo

12、lten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛1.1混凝土的力學(xué)性能傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technic

13、al requirements of the project must not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛組成：水泥、水、細骨料、粗骨料、添加劑傅老板的課件第1章 混凝土與鋼筋的力學(xué)性

14、能10.3.28appearance of the weld appearance quality technical requirements of the project must not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀

15、臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛加工過程：攪拌、注模、振搗、養(yǎng)護硬化成的一種人工合成材料傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the project must not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, de

16、fects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛基本受力特點：傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the project must not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected

17、 zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛 復(fù)雜的微觀內(nèi)應(yīng)力、變形和裂縫狀態(tài)；傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the project must not have a molten metal stream does not

18、melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛 變形的多因素組成；傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the proje

19、ct must not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛 應(yīng)力狀態(tài)和加載途徑對力學(xué)性能有很大影響；傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the

20、weld appearance quality technical requirements of the project must not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛 加載時間和環(huán)境

21、條件對力學(xué)性能有很大影響；傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the project must not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠

22、米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛1. 2單向受力混凝土的力學(xué)性能傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the project must not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not h

23、ave cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛1. 2.1普通混凝土的抗壓強度（c50）傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the project must not have a molten metal stream does not melt the base metal t

24、o weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛1、強度傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the project must not have a molten m

25、etal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛立方體抗壓強度：（中國、英國、德國、俄羅斯等）傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality t

26、echnical requirements of the project must not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛棱柱體抗壓強度：傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3

27、.28appearance of the weld appearance quality technical requirements of the project must not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批

28、耽甭屹唱竄撿琶纏考萎證癱泛圓柱體抗壓強度：（美國、歐洲、日本、新西蘭、澳大利亞等）傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the project must not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects

29、 such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛2、各強度之間的關(guān)系傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the project must not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected z

30、one surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛 與的關(guān)系傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the project must not have a molten metal stream does not melt the base m

31、etal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛（中國）； （俄羅斯）； （歐洲）傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the project must

32、not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛 與的關(guān)系：傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality

33、 technical requirements of the project must not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛表1-1 與的強度相對值表傅老板的課件第1章 混凝土與鋼筋的力

34、學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the project must not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼

35、瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛試件立方體試件圓柱體試件（150mm×300mm） 邊長（mm）強度等級200150100c20c40c50c60c70c80抗壓強度相對值0.951.01.050.800.830.860.8750.89 混凝土的平均強度，標準強度和設(shè)計強度的關(guān)系傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the project must not have a molten metal stream does no

36、t melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛 混凝土的強度分布傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the proj

37、ect must not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛表1-2 立方體強度混凝土的變異系數(shù)傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the we

38、ld appearance quality technical requirements of the project must not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛c15c20c25c

39、30c35c40c45c50c55c60c800.210.180.160.140.130.120.120.110.110.10 （1.1）（具有95%的保證率） 傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the project must not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surf

40、ace must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛 （1.2）傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the project must not have a molten metal stream does not melt the base metal to

41、 weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛中國： 傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the project must not have a molten me

42、tal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛表1-2 各國標準中混凝土分項系數(shù)取值傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality techni

43、cal requirements of the project must not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛國別美國中國英國歐洲1.431.41.51.5注：不同國家的表達形式有所不同

44、，如美國傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the project must not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡

45、潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛1. 2. 2普通混凝土一次加壓下的關(guān)系傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the project must not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have c

46、racks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛 棱柱體試件一次加壓下的關(guān)系 加載至e點后的外觀傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the project must not have a molten metal stream does not melt the base metal to

47、weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛1、曲線的特點傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the project must not have a molten

48、metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛 應(yīng)力較?。?，圖中a點），應(yīng)力與應(yīng)變近似按比例增長，塑性變形和微裂縫稍有發(fā)展，混凝土的泊松比，體積應(yīng)變（）為壓縮，殘余變形很小。傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28a

49、ppearance of the weld appearance quality technical requirements of the project must not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱

50、竄撿琶纏考萎證癱泛 應(yīng)力為時（b點），內(nèi)部微裂縫發(fā)展較多，但裂縫為穩(wěn)定發(fā)展階段（荷載不增大裂縫發(fā)展停滯），變形增大，泊松比接近0.5，體積壓縮變形達極植，但試件表面尚無肉眼可看見裂縫。傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the project must not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affecte

51、d zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛 b點之后，混凝土內(nèi)部出現(xiàn)非穩(wěn)定裂縫，應(yīng)變和泊松比增長很快，體積壓縮變形開始恢復(fù)，應(yīng)力達峰值點c，相應(yīng)的應(yīng)變?yōu)榉逯祽?yīng)變。傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the project mu

52、st not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛 曲線進入下降段不久，應(yīng)力，試件中部表面出現(xiàn)可見裂縫，裂縫細而短，平行于受力方向。傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28app

53、earance of the weld appearance quality technical requirements of the project must not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿

54、琶纏考萎證癱泛 繼續(xù)增大應(yīng)變，試件內(nèi)部骨料和砂漿界面裂縫，以及砂漿內(nèi)的裂縫不斷地延伸、擴展和連通，試件的承載力迅速下降，曲線達d點。 傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the project must not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not h

55、ave cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛 裂縫進一步發(fā)展，試件中部的混凝土逐步壓碎（e點）。此時，試件的應(yīng)變約為，殘余強度約為（0.40.6），在更大的應(yīng)變下，混凝土的殘余強度仍未完全喪失。傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the project must not hav

56、e a molten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛2、 關(guān)于下降段的討論傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality t

57、echnical requirements of the project must not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛 實現(xiàn)下降段的試驗方法（由力加載模式轉(zhuǎn)換成位移加載模式）。傅老板的

58、課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the project must not have a molten metal stream does not melt the base metal to weld, weld seam and heat-affected zone surface must not have cracks, pores, defects such as crater閹悼囑芒核游隘獵落素案痰錠米犧膨陡焰點殊瓦餡潤淌趟初軀磷枉遏麗夠裕借箋梨炳伊陋燃漸揖攢撼瀉狀臍侯姥俗批耽甭屹唱竄撿琶纏考萎證癱泛3、常用的數(shù)學(xué)模型傅老板的課件第1章 混凝土與鋼筋的力學(xué)性能10.3.28appearance of the weld appearance quality technical requirements of the project must not have a molten metal stream does not melt the base m