材料力學(xué)講義八

§13-3壓桿的臨界應(yīng)力及臨界應(yīng)力總圖一、壓桿的臨界應(yīng)力壓姐桿筒的盡長(zhǎng)渣細(xì)尊比壓通桿鬧的羽柔萌度計(jì)益算帶壓蒼桿利的籮臨桑界舒應(yīng)燦力接的曠歐晴拉期公已式二告、纏歐籌拉婆公得式彼的泊適父用取范費(fèi)圍體經(jīng)繞驗(yàn)階公痛式在君推游導(dǎo)粥歐做拉詳公遮式端時(shí)僑,慰使問(wèn)用嘩了從撓犬曲我線(xiàn)欲的繭近何似守微功分傘方皂程在雙推竟導(dǎo)浩該漿方趣程怪時(shí)澡,慨應(yīng)脅用顏了弊胡頁(yè)克絞定楊律枯。伍因凍此弊，巨歐辮拉佳公弦式稀也釣只尸有顆在妨滿(mǎn)焰足京胡分克墓定馳律通時(shí)餃才舅能憂(yōu)適麗用母：歐陷拉孟公務(wù)式糠的吧適販用趣范便圍巖：滿(mǎn)鋪?zhàn)沣曉撌鞐l勒件解的爸桿川稱(chēng)經(jīng)為細(xì)坦長(zhǎng)旱桿或牙大廚柔悔度艘桿對(duì)A咱3鋼勻，得當(dāng)卻取E朝=仗2著0鬼6藏G暈P挖a慢，σp=揪2黨0耀0萍M僑P朱a辨,則所關(guān)以近，思只薄有躁壓姑桿耍的脂長(zhǎng)煤細(xì)勤比λ差≥濤1隔0話(huà)0時(shí)圍，鞋才齒能礙應(yīng)細(xì)用魔歐承拉馳公準(zhǔn)式齡計(jì)歪算趕其擺臨掩界母壓散力寸。當(dāng)葡壓肥桿隔的舉長(zhǎng)濾細(xì)褲比λ得＜羨λ習(xí)p時(shí)碑，襪歐忌拉酷公倍式索已耀不桿適敗用德。直拌線(xiàn)蓄公爐式式轉(zhuǎn)中a路、央b是擦與己材歷料仁性寧質(zhì)顛有陷關(guān)萍的猶系杰數(shù)提。在給工鏡程勒上婦，向一虹般我采蒜用僑經(jīng)泊驗(yàn)仿公高式丘。在渴我易國(guó)止的糞設(shè)獨(dú)計(jì)遮手靈冊(cè)什和嗚規(guī)舉范予中是給壟出尤的朱是豎直蜂線(xiàn)杯公親式樂(lè)和織拋繭物招線(xiàn)纏公啄式或。下繪面揀考牛慮窄經(jīng)鏡驗(yàn)求公凡式考的難適煙用民范堤圍禿：經(jīng)摟驗(yàn)盯公血式告的寇適椅用托范災(zāi)圍對(duì)慚于茶塑慮性極材飄料面：對(duì)脖于λ圣＜渠λ躁s的斷桿賠，愧不良存雷在狀失迅穩(wěn)衛(wèi)問(wèn)駐題樓，耽應(yīng)責(zé)考揭慮墊強(qiáng)辮度烤問(wèn)云題經(jīng)溪驗(yàn)渾公駛式芳中悟，城拋捷物辨線(xiàn)萬(wàn)公堅(jiān)式斷的罩表閣達(dá)異式也為式削中定也蹈是陜與禁材通料祝性艱質(zhì)淡有肅關(guān)蒸的霉系烈數(shù)玻，拍可輪在輕有予關(guān)洽的鍵設(shè)舟計(jì)飽手是冊(cè)飽和鼻規(guī)鞭范嚇中肅查母到鑰。三箏、零臨標(biāo)界拼應(yīng)武力失總半圖小哀柔清度著桿中擋柔憑度障桿大示柔矮度何桿C醉L碌1柱3您T仙U圾2果0§絮1甲3牌-蝴4柔壓端桿教的性穩(wěn)大定炮性奴計(jì)解算穩(wěn)袖定氧性站條猶件血：式差中它-創(chuàng)-章-校-莖-乖-晨壓墻桿女所嚼受歉最悲大若工川作您載播荷-烈-扁-簡(jiǎn)-舅-副-壓巷桿揪的鄙臨啦界靠壓昌力-卷-舞-績(jī)-旋-味-水壓缺桿筑的銳規(guī)爛定引穩(wěn)瓦定焦安弦全汪系撲數(shù)穩(wěn)摧定遲性禾條義件盡也法可消以鈔表掉示林成著：式迷中芳為俱壓福桿思實(shí)汗際筆的待工續(xù)作輝穩(wěn)呢定不安近全夾系慕數(shù)牙。例?。悍遣?xì)義長(zhǎng)鐘桿鞋如吩果融誤導(dǎo)用訊了貸歐她拉饑公忽式蛛計(jì)睬算腎臨擠界哀力武，訴其方結(jié)醒果島比著實(shí)爬際＿糧＿殊＿＿糾＿駱＿米；橫恢截貝面榨上樸的退正亂應(yīng)迷力勾有堡可紅能丸＿海＿穩(wěn)＿蜜＿園＿卻＿妖＿筒＿假＿涌。大嬸，并危凈險(xiǎn)超克過(guò)羞比絡(luò)例賢極檢限例鍛：器三恐根啞材駱料苗、影長(zhǎng)幣度梯均學(xué)相燈同具、鞏兩加端切均僑為威球斬鉸譽(yù)支癢座拿的拒細(xì)湖長(zhǎng)昂桿廳結(jié)刃構(gòu)荒，康各拒自蟲(chóng)的樓截愈面次形前狀城如培圖涉，旨求霸三元根率桿刺的魂臨辣界搞應(yīng)將力飽之捷比美以勵(lì)及佩臨苗界噴力翅之零比犁。C校L熔1趟3蛛T宋U艷2騰5例委：際圖銅示惑圓渾截岡面胖壓流桿d訴=獵4棒0搭m白m肯，σs=浪2勵(lì)3仰5磚M小P跨a妥。求顫可賤以路用烤經(jīng)混驗(yàn)痕公覽式σc料r=兩3杏0崗4器-址1葬.栗1宜2脖λ渾(M糖P聰a)計(jì)竊算趕臨閣界系應(yīng)雖力蹈時(shí)