翻譯:建筑類型和設(shè)計建筑物與人們有著緊密的聯(lián)系,他為人們提供必要的空間,用以工作和生活。根據(jù)適用類型不同,建筑物可以分為兩類:工業(yè)建筑和民用建筑。工業(yè)建筑包括各個工廠或工業(yè)生產(chǎn)所使用建筑,民用建筑是指那些人們用以居住,就業(yè),教育

在依法行政,協(xié)助設(shè)計和建設(shè)的情況下,業(yè)主可以選擇從事建筑項目經(jīng)理。建筑承包商雇用的勞動力,一般有大工和小工。大工再建筑工程中從事技術(shù)活,如木工,管道工,工會成員和電工工會,小工則執(zhí)行了分配給他們的工作。在施工期間,一切工作都要驗收

有的朋友麻煩上傳,萬分感謝!!! 急求一篇土木工程畢業(yè)論文英文文獻(xiàn)及翻譯,畢業(yè)設(shè)計需要用。有的朋友麻煩上傳,萬分感謝!!! 展開  我來答 2個回答 #熱議# 你發(fā)朋友圈會使用部分人可見功能嗎?夢色馨緣 2014-03-29 · TA獲

Industrial Market Structure and Economic Performance F.M. Scherer affiliation not provided to SSRN David Ross Robinson & Cole, LLP Abstract:Provides a systematic presentation of the economic field of industrial organ

Engineersconsider many factors when developing a new product. For example, in developing an industrial robot, engineers precisely specify the functional requirements; design and test the robot抯 components; integrate

Civil engineering is a professional engineering discipline that deals with the design, construction, and maintenance of the physical and naturally built environment, including works such as bridges, roads, canals, da

誰能給我給我兩篇土木工程英語文獻(xiàn)要有翻譯的!要求1000字

土木工程的英文是Civil Engineering ,直譯是民用工程，它是建造各種工程的統(tǒng)稱。它既指建設(shè)的對象，即建造在地上，地下，水中的工程設(shè)施，也指應(yīng)用的材料設(shè)備和進(jìn)行的勘測，設(shè)計施工，保養(yǎng)，維修等專業(yè)技術(shù)。土木工程隨著人類社

急求一篇土木工程畢業(yè)論文英文文獻(xiàn)及翻譯,畢業(yè)設(shè)計需要用。有的朋友麻煩上傳,萬分感謝!!! 急求一篇土木工程畢業(yè)論文英文文獻(xiàn)及翻譯,畢業(yè)設(shè)計需要用。有的朋友麻煩上傳,萬分感謝!!! 展開  我來答 2個回答 #熱議# 你發(fā)朋友圈

and in the private sector from individual homeowners through to international companies.History of civil engineering Civil engineering is the application of physical and scientific principles, and its history is intrica

位移矢量的組件將被用,。如果這些位移不是常數(shù)在整個場有變形,或菌株。在圖13.1菌株在x,y平面顯示。長度的變化的一個元素的原始長度,除以該原始長度,是橫向應(yīng)變。這種應(yīng)變可表示為位移 差異,見圖13.1,通過:長度的變化的

我想翻譯一篇土木工程的文獻(xiàn) 英譯漢的。急用!十分感謝!

土木工程的英文是Civil Engineering ,直譯是民用工程，它是建造各種工程的統(tǒng)稱。它既指建設(shè)的對象，即建造在地上，地下，水中的工程設(shè)施，也指應(yīng)用的材料設(shè)備和進(jìn)行的勘測，設(shè)計施工，保養(yǎng)，維修等專業(yè)技術(shù)。土木工程隨著人類社

要求如下:1.字?jǐn)?shù)50002.內(nèi)容是關(guān)于土木工程類的3.必須是英文,然后帶有中文翻譯4.論文中要出現(xiàn)摘要和參考文獻(xiàn)郵箱是1178171161@qq 如果查收符合以上要求,立即采納,不勝感激 要求如下:1.字?jǐn)?shù)50002.內(nèi)容是關(guān)于土木工程類的3.必須

我的 急求一篇關(guān)于土木工程的英語論文,翻譯成中文3000字左右!!! 100  我來答 1個回答 #話題# 勞動節(jié)純純『干貨』,等你看!開心辭典_ 2010-03-04 · TA獲得超過6003個贊 知道大有可為答主 回答量:1951 采納率:0%

我的 急求一篇土木工程畢業(yè)論文英文文獻(xiàn)及翻譯,不少于3000個單詞 5 急求一篇土木工程畢業(yè)論文英文文獻(xiàn)及翻譯,畢業(yè)設(shè)計需要用。有的朋友麻煩上傳,萬分感謝!!! 急求一篇土木工程畢業(yè)論文英文文獻(xiàn)及翻譯,畢業(yè)設(shè)計需要用。有的朋友麻煩上

急求一篇土木工程畢業(yè)論文英文文獻(xiàn)及翻譯,不少于3000個單詞

土木工程是一門學(xué)科，專業(yè)工程的設(shè)計，施工和維護(hù)自然的物理和環(huán)境建設(shè)，包括橋梁，道路，河渠，堤壩和建筑物的工程協(xié)議。土木工程是最古老的軍事工程后，工程學(xué)科，它被定義為區(qū)分軍事工程非軍事工程。這是傳統(tǒng)分解成若干子學(xué)科

其他類似問題2013-02-19 急求土木工程辦公樓相關(guān)的外文論文加中文翻譯,字?jǐn)?shù)在3000左 2014-01-14 求一篇土木工程畢業(yè)設(shè)計 外文資料翻譯 2011-07-24 急求關(guān)于土木工程的外文文獻(xiàn)及其翻譯,3000-5000字 2010-03-13 跪求土木工程畢業(yè)

Following final location,whether done in field or office,suffcient curvature,tangency,and other control points must be carefully referenced on the ground to permit easy location of the line dyring all phases of

There is little standardization in industrial buildings although such buildings still need to comply with local town-planning regulations .the modern trend is towards light ,airy factory buildings .generally of reinforced concrete

我的 土木外文文獻(xiàn)翻譯 能不能發(fā)給我一份土木工程的外文翻譯實在是找不到了郵箱550432586@qq 謝謝了^_^ 能不能發(fā)給我一份土木工程的外文翻譯 實在是找不到了 郵箱550432586@qq 謝謝了 ^_^ 展開  我來答 1個

土木外文文獻(xiàn)翻譯

CNKI翻譯助手 很不錯的 專業(yè)性也比較強，翻譯也很準(zhǔn)確

以下是較好用的翻譯軟件：百度翻譯、拍照翻譯、翻易通、翻譯器、翻譯官、智能翻譯官（網(wǎng)頁端）、Deepl（網(wǎng)頁端）、CNKI翻譯助手（網(wǎng)頁端）等。幾款翻譯軟件的詳細(xì)介紹：1、百度翻譯 百度翻譯擁有網(wǎng)頁、APP、小程序等多種形態(tài)

拍拍譯是款專業(yè)好用的拍照翻譯軟件，隨時隨地為用戶提供實時翻譯服務(wù)，無論是學(xué)習(xí)、工作，還是旅游中都能輕松翻譯，還有精準(zhǔn)的語音識別及翻譯引擎，幫你出國旅游旅行時與外國人輕松交流，靈敏迅速，翻譯精準(zhǔn)，堪比同聲傳譯。3、

火云譯客。根據(jù)查詢土木工程網(wǎng)顯示，火云譯客上可以進(jìn)行土木專業(yè)的英語翻譯。火云譯客是一款為提高英語翻譯者工作學(xué)習(xí)效率的智能翻譯軟件，支持多國語言。收錄最大最權(quán)威的海量術(shù)語庫資源土木工程、石油化工、醫(yī)學(xué)農(nóng)林、汽車科技等

1、百度翻譯 百度翻譯app是一款集詞匯、翻譯、詞典、例句于一體的翻譯軟件，免費提供高質(zhì)量的中文、英語、日語、韓語、西班牙語、泰語、法語、阿拉伯語、葡萄牙語、俄語、德語、意大利語、粵語、文言文等語種翻譯服務(wù)，還可以進(jìn)

1、百度翻譯：百度翻譯app是一款集詞匯、翻譯、詞典、例句于一體的翻譯軟件，免費提供高質(zhì)量的中文、英語等語種翻譯服務(wù)，還可以進(jìn)行文言文翻譯，支持語音實時翻譯、拍照翻譯、通知欄查詞、跨軟件翻譯等，能很大程度上滿足用戶的

***或者海詞翻譯，然后下載土木專業(yè)英語的詞庫。學(xué)習(xí)英語就必須有詞典，遇到陌生單詞和短語查詢詞典就可以知曉含義是英語學(xué)習(xí)的必備，但隨時科技越來越先進(jìn)這種查詢變得更加簡潔方便，以往我們要翻書從上面一頁一頁的找如果單詞多

土木工程專業(yè)英語翻譯用什么軟件翻譯好?

免費文獻(xiàn)，推薦到OA圖書館查詢下載。 輸入英語關(guān)鍵詞即可。
剛好我也在做畢業(yè)設(shè)計 把我的給你用吧！ Traditional Construction Procedures As mentioned before, construction under the traditional construction procedure is performed by contractors. While they would like to satisfy the owner and the building designers, contractors have the main objective of making a profit. Hence, their initial task is to prepare a bid price based on an accurate estimate of construction costs. This requires development of a concept for performance of the work and a construction time schedule. After a contract has been awarded, contractors must furnish and pay for all materials, equipment, power, labor, and supervision required for construction. The owner compensates the contractors for construction costs and services. A general contractor assumes overall responsibility for construction of a building. The contractor engages subcontractors who take responsibility for the work of the various trades required for construction. For example, a plumbing contractor installs the plumbing, an electrical contractor installs the electrical system, and an elevator contractor installs elevators. Their contracts are with the general contractor, and they are paid by the general contractor. Sometimes, in addition to a general contractor, the owner contracts separately with specialty contractors, such as electrical and mechanical contractors, who perform a substantial amount of the work require for a building. Such contractors are called prime contractors. Their work is scheduled and coordinated by the general contractor, but they are paid directly by the owner. Sometimes also, the owner may use the design-build method and award a contract to an organization for both the design and construction of a building. Such organizations are called design-build contractors. One variation of this type of contract is employed by developers of groups of one-family homes or low-rise apartment buildings. The homebuilder designs and constructs the dwellings, but the design is substantially completed before owners purchase the homes. Administration of the construction procedure often is difficult. Consequently, some owners seek assistance from an expert, called a professional construction manager, with extensive construction experience, who receives a fee. The construction manager negotiates with general contractors and helps select one to construct the building. Managers usually also supervise selection of subcontractors. During construction, they help control costs, expedite equipment and material deliveries, and keep the work on schedule. In some cases, instead, the owner may prefer o engage a construction program manager, to assist in administrating both design and construction. Construction contractors employ labor that may or may not be unionized. Unionized craftspeople are members of unions that are organized by construction trades, such as carpenter, plumber, and electrician unions, Union members will perform only the work assigned to their trade. During construction, all work should be inspected. For this purpose, the owner, often through the architect and consultants, engages inspectors. The field inspectors may be placed under the control of an owner’s representative, who may be titled clerk of the works, architect’s superintendent, engineer’s superintendent, or resident engineer. The inspectors have the responsibility of ensuring that construction meets the requirements of the contract documents and is performed under safe conditions. Such inspections may be made at frequent intervals. In addition, inspections also are made by representatives of one or more governmental agencies. They have the responsibility of ensuring that construction meets legal requirements and have little or no concern with detailed conformance with the contract documents. Such legal inspections are made periodically or at the end of certain stages of construction. One agency that will make frequent inspections is the local or state building department, whichever has jurisdiction. The purpose of these inspections is to ensure conformance with the local or state building code. Following is a description of the basic traditional construction procedure for a multistory building. After the award of a construction contract to a general contractor, the owner may ask the contractor to start a portion of the work before signing of the contract by giving the contractor a letter of intent or after signing of the contract by issuing a written notice to proceed. The contractor then obtains construction permits, as required, form governmental agencies, such as the local building, water, sewer, and highway departments. The general contractor plans and schedules construction operations in detail and mobilizes equipment and personnel for the project. Subcontractors are notified of the contract award and issued letters of intent or awarded subcontracts, then are given, at appropriate times, notices to proceed. Before construction starts, the general contractor orders a survey to be made of adjacent structures and terrain, both for the record and to become knowledgeable of local conditions. A survey is then made to lay out construction. Field offices for the contractor are erected on or near the site. If desirable for safety reasons to protect passersby, the required to be removed from the site are demolished and the debris is carted away. Next, the site is prepared to receive the building. This work may involve grading the top sur** to bring it to the proper elevations, excavating to required depths for basement and foundations, and shifting of utility piping. For deep excavations, earth sides are braced and the bottom is drained. Major construction starts with the placement of foundations, on which the building rests. This is followed by the erection of load-bearing walls and structural framing. Depending on the height of the building, ladders, stairs, or elevators may be installed to enable construction personnel to travel from floor to floor eventually to the roof. Also, hoists may be installed to lift materials to upper levels. If needed, temporary flooring may be placed for use of personnel. As the building rises, pipes, ducts, and electric conduit and wiring are installed. Then, permanent floors, exterior walls, and windows are constructed. At the appropriate time, permanent elevators are installed. If required, fireproofing is placed for steel framing. Next, fixed partitions are built and the roof and its covering are put is place, Finishing operations follow. There include installation of the following: ceilings; tile; wallboard; wall paneling; plumbing fixtures; heating furnaces; air-conditioning equipment; heating and cooling devices for rooms; escalators; floor coverings; window glass; movable partitions; doors; finishing hardware; electrical equipment and apparatus, including lighting fixtures, switches, transformers, and controls; and other items called for in the drawings and specifications. Field offices, fences, bridges, and other temporary construction must be removed from the site. Utilities, such as gas, electricity, and water, are hooked up to the building. The sit is landscaped and paved. Finally, the building interior is painted and cleaned. The owner’s representatives then give the building a final inspection. If they find that the structure conforms with the contract documents, the owner accepts the project and gives the general contractor final payment on issuance by the building department of a certificate of occupancy, which indicates that the completed building meets building-code requirements. 傳統(tǒng)的施工程序 眾所周知，在傳統(tǒng)的施工程序中進(jìn)行施工的承包商。盡管他們想滿足業(yè)主和建筑設(shè)計師的要求，但是最終還是以賺取利潤為主要目標(biāo)的。因此，他們最初的任務(wù)是對編寫投標(biāo)價格的建筑成本進(jìn)行準(zhǔn)確的估計。這就需要進(jìn)行前期調(diào)查的工作并且做出施工時間表。等合約批出后，施工方必須提供所有材料并支付其費用，設(shè)備，電力，勞動力。業(yè)主此時需要進(jìn)行必要的監(jiān)督。 一個總承包商承擔(dān)一個建筑整體的責(zé)任。從事分包的承建商則需承擔(dān)建造工程所需的各個工作。例如，管道承包商安裝水管，電業(yè)承辦商安裝電氣系統(tǒng)，電梯則由電梯承包商安裝。他們與總承包商簽訂合同，費用由總承包商支付。 有時候，除了一個總承包商，還有各種專業(yè)承包商，如電氣和機械承包商，執(zhí)行工作時需要與業(yè)主簽訂合同。這種承包商被稱為間接承包商。他們的工作，由總承包商協(xié)調(diào)，但它們都是由業(yè)主直接聯(lián)系。 還有些時候，業(yè)主可以使用設(shè)計建造方法同時兼有設(shè)計和建筑施工單位的職能。這些單位被稱為設(shè)計建造承包商。這方面的一個類型的合同聘用的變化是由一戶住宅或低層住宅建筑群的開發(fā)。在房屋建筑設(shè)計和建造的住房，但設(shè)計之前需要由購買房屋的業(yè)主完成。 施工過程管理往往是困難的。因此，一些業(yè)主會去尋求專家的協(xié)助，這些專家被稱為專業(yè)施工經(jīng)理，他們具有豐富的施工經(jīng)驗。施工經(jīng)理與總承包商進(jìn)行談判，并選擇其中一個項目。施工經(jīng)理通常還監(jiān)督分包商。在施工期間，它們有助于控制成本，加快運送設(shè)備和材料，并保持工作的進(jìn)度。在依法行政，協(xié)助設(shè)計和建設(shè)的情況下，業(yè)主可以選擇從事建筑項目經(jīng)理。 建筑承包商雇用的勞動力，一般有大工和小工。大工再建筑工程中從事技術(shù)活，如木工，管道工，工會成員和電工工會，小工則執(zhí)行了分配給他們的工作。 在施工期間，一切工作都要驗收。因此，業(yè)主通過建筑師和監(jiān)理經(jīng)常進(jìn)行督查?？赡苁敲麨楣こ虇T，建筑師或駐地工程師。作為業(yè)主的代表實地視察。核查人員必須確保工程符合合同文件的要求，并在安全的條件下進(jìn)行的責(zé)任。這種檢查可作出重復(fù)。 此外，驗收還是需要一個或多個政府機構(gòu)的代表。他們必須確保工程符合法律要求，并負(fù)責(zé)檢查與合同文件是否一致。這種視察一般定期或在某些階段施工結(jié)束以后進(jìn)行。地方或國家建設(shè)部門具有管轄權(quán)。這些檢查的目的是確保符合當(dāng)?shù)鼗驀业慕ㄖ?guī)范。 以下是傳統(tǒng)多層建筑施工的基本程序。 建造開始后合同授予開發(fā)商，業(yè)主可要求開發(fā)商開始施工之前簽約給或之后簽約發(fā)出書面通知的同時另一部分工作繼續(xù)進(jìn)行。緊接著施工方根據(jù)需要獲取建筑許可證，例如當(dāng)?shù)氐慕ㄔO(shè)，供水，污水處理，政府機構(gòu)和公路部門。 總承包商的計劃和進(jìn)度詳細(xì)施工作業(yè)以及動員項目設(shè)備和人員。分包商得到通知后，做出簽訂合同的意向或授予分包合同書，然后給出在適當(dāng)?shù)臅r候進(jìn)行通知。 在施工前啟動，總承包商要進(jìn)行的一項調(diào)查就是鄰近結(jié)構(gòu)和地形，這些都要記錄在案，并要熟悉當(dāng)?shù)厍闆r。這項調(diào)查結(jié)束以后，隨即進(jìn)行布局建設(shè)。 承建商的現(xiàn)場辦事處都建在施工現(xiàn)場或附近。為了安全起見，必須從腳手架上移除的東西，產(chǎn)生的碎片都要運走。 下一步，該網(wǎng)架是為建設(shè)工程準(zhǔn)備的。這項工作為地下室開挖和基礎(chǔ)開挖的深度，以及公用事業(yè)管道轉(zhuǎn)移找到正確的標(biāo)高。深挖掘，土方支撐，底部排出。 建筑開始于基礎(chǔ)上，然后是承重墻和結(jié)構(gòu)框架的施工。**，樓梯，或電梯的安裝，可讓施工人員往返于各個樓層。此外，可安裝卷揚機來運送材料。 由于建筑高度的上升，管道，電力管道和線路安裝以及永久地板，外墻，窗戶和構(gòu)造的影響。在適當(dāng)?shù)臅r候，永久的電梯安裝。再需要的情況下可以安裝防火卷簾。其次，屋頂?shù)鹊胤揭残枰惭b。 精加工工序安裝有包括以下內(nèi)容：天花板，瓷磚，墻板，墻壁鑲板，水管裝置，加熱爐，空氣調(diào)節(jié)設(shè)備，加熱和冷卻室裝置;自動扶梯;地板，窗戶玻璃;活動板，門;電氣設(shè)備和儀器，包括照明燈具，開關(guān)，變壓器，控制器，遵照項目的圖紙和規(guī)格。外地辦事處，圍欄，橋梁和其他臨時建筑，公共設(shè)備，如天然氣，電力管道，水管，都連接到建筑上。最后，是建筑物內(nèi)部的打掃和清洗。 業(yè)主的代表，會給建設(shè)工程作最后檢查。如果他們滿意并認(rèn)為符合合同文件，那么業(yè)主接受該項目，并交給總承包商的一個占用證書，這表明，總承包商已完成建設(shè)，建設(shè)部門再根據(jù)建筑規(guī)范的要求發(fā)放最后付款。 請采納。
一般要有這樣幾部分組成：提出問題，闡明基本概念和基本觀念；分析問題，說明為什么要堅持你的觀點；解決問題，拿出解決問題方案，至于順序，你可根據(jù)你的文章去定。也就是說論文由論點、論據(jù)、引證、論證、結(jié)論等幾個部分構(gòu)成。 1、題目 題目應(yīng)恰當(dāng)、準(zhǔn)確地反映本課題的研究內(nèi)容。畢業(yè)設(shè)計（論文）的中文題目應(yīng)不超過25字，并不設(shè)副標(biāo)題。 2、 摘要與關(guān)鍵詞 摘要：摘要是畢業(yè)設(shè)計（論文）內(nèi)容的簡要陳述，是一篇具有獨立性和完整性的短文。摘要應(yīng)包括本設(shè)計（論文）的創(chuàng)造性成果及其理論與實際意義。摘要中不宜使用公式、圖表，不標(biāo)注引用文獻(xiàn)編號。避免將摘要寫成目錄式的內(nèi)容介紹。 關(guān)鍵詞：關(guān)鍵詞是供檢索用的主題詞條，應(yīng)采用能覆蓋畢業(yè)設(shè)計（論文）主要內(nèi)容的通用技術(shù)詞條（參照相應(yīng)的技術(shù)術(shù)語標(biāo)準(zhǔn)）。關(guān)鍵詞一般列3～5個，按詞條的外延層次排列（外延大的排在前面）。 3、畢業(yè)設(shè)計（論文）正文 畢業(yè)設(shè)計（論文）正文包括緒論、論文主體及結(jié)論等部分。 （一）選題畢業(yè)論文（設(shè)計）題目應(yīng)符合本專業(yè)的培養(yǎng)目標(biāo)和教學(xué)要求，具有綜合性和創(chuàng)新性。本科生要根據(jù)自己的實際情況和專業(yè)特長，選擇適當(dāng)?shù)恼撐念}目，但所寫論文要與本專業(yè)所學(xué)課程有關(guān)。 （二）查閱資料、列出論文提綱 題目選定后，要在指導(dǎo)教師指導(dǎo)下開展調(diào)研和進(jìn)行實驗，搜集、查閱有關(guān)資料，進(jìn)行加工、提煉，然后列出詳細(xì)的寫作提綱。 （三）完成初稿 根據(jù)所列提綱，按指導(dǎo)教師的意見認(rèn)真完成初稿。 （四）定稿 初稿須經(jīng)指導(dǎo)教師審閱，并按其意見和要求進(jìn)行修改，然后定稿。 首先建議你先列一個提綱，明確自己的目標(biāo)，到底方向在哪里，想寫什么，其實這是很重要的，即使你覺得你很難寫出一整篇論文，都必須要先明確你的論文想說什么。論文的內(nèi)容都不清楚，又如何去找資料呢？ 論文寫作，先不說內(nèi)容，首先格式要正確，一篇完整的畢業(yè)論文，題目，摘要（中英文），目錄，正文（引言，正文，結(jié)語），致謝，參考文獻(xiàn)。學(xué)校規(guī)定的格式，字體，段落，頁眉頁腳，開始寫之前，都得清楚的，你的論文算是寫好了五分之一。然后，選題，你的題目時間寬裕，那就好好考慮，選一個你思考最成熟的，可以比較多的閱讀相關(guān)的參考文獻(xiàn)，從里面獲得思路，確定一個模板性質(zhì)的東西，照著來，寫出自己的東西。正文，語言必須是學(xué)術(shù)的語言。一定先列好提綱，這就是框定每一部分些什么，保證內(nèi)容不亂，將內(nèi)容放進(jìn)去，寫好了就。
橋梁式集裝箱起重機設(shè)計113 1．前言………………………………………………………………………3 2．主要設(shè)計內(nèi)容及參數(shù)……………………………………4 3．主梁結(jié)構(gòu)設(shè)計……………………………………………………5 4．小車機構(gòu)設(shè)計……………………………………………………7 7．起吊機構(gòu)設(shè)計…………………………………………………11 6．支架設(shè)計……………………………………………………………14 8．設(shè)計小結(jié)……………………………………………………………15 9．主要參考文獻(xiàn)…………………………………………………16 10.圖紙文件設(shè)計前言 起重機被喻為“巨人之臂”，是廣泛用于國民經(jīng)濟各部門進(jìn)行物質(zhì)生產(chǎn)和裝卸搬運的重要設(shè)備。起重機的設(shè)計制造，從一個側(cè)面反映了國家的工業(yè)現(xiàn)代化水平。我國起重機制造業(yè)奠基于20世紀(jì)50年代。70年代以來，起重機的類型、規(guī)格、性能和技術(shù)水平獲得很大的發(fā)展。近年來在物流和工業(yè)企業(yè)發(fā)展的帶動下，起重機行業(yè)進(jìn)入飛速發(fā)展時期。 起重機主要分為橋梁式、懸臂式、塔式、龍門式、拉索式、液壓伸縮臂式等形式。本設(shè)計以橋式雙梁單小車集裝箱起重機為例，介紹起重機的設(shè)計思路、設(shè)計內(nèi)容以及設(shè)計方法。 起重機設(shè)計主要根據(jù)客戶要求，在符合國家標(biāo)準(zhǔn)及機械工業(yè)標(biāo)準(zhǔn)中對起重機的要求下進(jìn)行設(shè)計。設(shè)計方案的選擇主要通過與客戶溝通取得一致意見后確定，設(shè)計內(nèi)容主要包括在起重機的實際工作環(huán)境下確定起重機的最大額定載荷、非正常載荷（如沖擊載荷，風(fēng)力載荷、震動載荷等）、操縱形式、使用壽命、檢修方式以及安全等級等；確定起重機主要零部件的選材以及機加工和材料處理的方法；確定起重機的工作級別；確定其主要受力梁的截面形式、截面大小以及梁的材料選擇和加工方法。由于橋梁式起重機體積和質(zhì)量都比較大，所以在設(shè)計過程中還應(yīng)考慮起重機的運輸方案和安裝方法。一 主要設(shè)計內(nèi)容及參數(shù)1、起重機首先要確定的是工作級別本設(shè)計的起重機用于集裝箱生產(chǎn)制造或物流行業(yè)。 起吊件為生產(chǎn)下線的集裝箱，或物流行業(yè)待裝貨的集裝箱，所以都是空箱。起吊重量為5T 根據(jù)起重機行業(yè)標(biāo)準(zhǔn)，不管是集裝箱生產(chǎn)行業(yè)還是物流行業(yè)都是生產(chǎn)節(jié)奏比較快的，因此該起重機的工作級別定為A5級，起吊機構(gòu)工作級別為M5。2、根據(jù)以上所規(guī)定級別設(shè)置設(shè)計內(nèi)容及參數(shù)a.主梁結(jié)構(gòu) 主梁涉及到的主要設(shè)計內(nèi)容或參數(shù)主要有：主梁的截面形式、截面大小、所用材料、制作方法、主梁上平面的平面度、側(cè)面的平面度和垂直度、主梁應(yīng)該具有的上拱度，還有主梁上的軌道安裝等等。b.支架結(jié)構(gòu) 支架需要設(shè)計的主要內(nèi)容和參數(shù)包括：截面形式、截面大小、使用材料、制作方法、支腿的垂直度誤差、支腿與地面的連接方式等等。c.小車機構(gòu) 小車機構(gòu)要設(shè)計的主要內(nèi)容和參數(shù)包括：小車架設(shè)計；起吊機構(gòu)設(shè)計；小車行走機構(gòu)設(shè)計。根據(jù)起吊重量設(shè)計小車架截面；根據(jù)所需要元件的安裝位置設(shè)計小車架的結(jié)構(gòu)；根據(jù)工作級別設(shè)計行走機構(gòu)中電機的功率和類型；根據(jù)起吊高度確定卷筒的直徑和長度；根據(jù)工作級別確定主電機的功率以及減速機的型號。確定其他一些元件的型號。應(yīng)符合起重機行業(yè)標(biāo)準(zhǔn)中的相關(guān)內(nèi)容；控制電路屬于電氣范疇在此不予討論。 本文來自: 一流設(shè)計吧( 16sheji8 ) 詳細(xì)出處參考： http:// 16sheji8 /onews.asp?id=1220
本人土木研一的。希望我的翻譯會對你有用！ -------------------------------------------- 在有限元方法中，實際上連續(xù)的物質(zhì)，像固體，液體或者氣體，被一些細(xì)小的被稱為有限元的微元所代替。這些微元被認(rèn)為是在稱為**或結(jié)點的特殊點進(jìn)行連接。這些**通常 位于相鄰元素連接的邊界處。既然連續(xù)體內(nèi)部場變量的實際變化(比如位移,壓力,溫度,氣壓或損傷)未知,我們假定一個有限元的場變量可以有一個簡單方程來近似代替.這些近似方 程(通常稱為插值模型)被作為**場變量的值.當(dāng)整體的場方程(類似于平衡方程式)被寫出來后,場變量的**值會成為新的未知量.通過求解場方程,通常以矩陣方程的形式出現(xiàn), 場變量的**值就可以得出了.一旦這些值得到了,通過這些微元的集合可以定義場變量的近似方程. 1.continuum n. 連續(xù)統(tǒng)一體, 連續(xù)統(tǒng), 閉聯(lián)集[化] 連續(xù)區(qū); 連續(xù)譜; 連續(xù)介質(zhì)[醫(yī)] 連續(xù)體 2.subdivision n.細(xì)分, 一部 3.interconnect vt. 使互相連接 4.node n. **, 結(jié)節(jié) 5.variation n. 變更, 變化 6.displacement n.移置;取代;位移 7.field equation 場方程 8.matrix equation矩陣方程 9.interpolation插值
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Civil engineering is a professional engineering discipline that deals with the design, construction, and maintenance of the physical and naturally built environment, including works such as bridges, roads, canals, dams and buildings. Civil engineering is the oldest engineering discipline after military engineering, and it was defined to distinguish non-military engineering from military engineering. It is traditionally broken into several sub-disciplines including environmental engineering, geotechnical engineering, structural engineering, transportation engineering, municipal or urban engineering, water resources engineering, materials engineering, coastal engineering, surveying, and construction engineering. Civil engineering takes place on all levels: in the public sector from municipal through to federal levels, and in the private sector from individual homeowners through to international companies. History of civil engineering Civil engineering is the application of physical and scientific principles, and its history is intricately linked to advances in understanding of physics and mathematics throughout history. Because civil engineering is a wide ranging profession, including several separate specialized sub-disciplines, its history is linked to knowledge of structures, materials science, geography, geology, soils, hydrology, environment, mechanics and other fields. Throughout ancient and medieval history most architectural design and construction was carried out by artisans, such as stone masons and carpenters, rising to the role of master builder. Knowledge was retained in guilds and seldom supplanted by advances. Structures, roads and infrastructure that existed were repetitive, and increases in scale were incremental. One of the earliest examples of a scientific approach to physical and mathematical problems applicable to civil engineering is the work of Archimedes in the 3rd century BC, including Archimedes Principle, which underpins our understanding of buoyancy, and practical solutions such as Archimedes' screw. Brahmagupta, an Indian mathematician, used arithmetic in the 7th century AD, based on Hindu-Arabic numerals, for excavation (volume) computations. .不謝。望采納。。。。。。
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