【精雙代號(hào)網(wǎng)絡(luò)圖的繪制方法95

1、上海建峰職業(yè)技術(shù)學(xué)院上海建峰職業(yè)技術(shù)學(xué)院主講：姚奎發(fā)主講：姚奎發(fā)2006 2006 年年 5 5 月月 8 8 日日教學(xué)目的：教學(xué)目的：1 1使學(xué)生掌握繪制雙代號(hào)網(wǎng)絡(luò)圖的基本規(guī)則；使學(xué)生掌握繪制雙代號(hào)網(wǎng)絡(luò)圖的基本規(guī)則；2 2掌握虛箭頭的概念及應(yīng)用；掌握虛箭頭的概念及應(yīng)用；3 3能根據(jù)工作的邏輯關(guān)系繪制雙代號(hào)網(wǎng)絡(luò)圖能根據(jù)工作的邏輯關(guān)系繪制雙代號(hào)網(wǎng)絡(luò)圖教學(xué)過(guò)程：教學(xué)過(guò)程：一、網(wǎng)絡(luò)圖的邏輯關(guān)系一、網(wǎng)絡(luò)圖的邏輯關(guān)系邏輯關(guān)系邏輯關(guān)系 包括 工藝關(guān)系組織關(guān)系 一、網(wǎng)絡(luò)圖的邏輯關(guān)系一、網(wǎng)絡(luò)圖的邏輯關(guān)系如圖如圖1 1：圖圖1一、網(wǎng)絡(luò)圖的邏輯關(guān)系一、網(wǎng)絡(luò)圖的邏輯關(guān)系支模支模1 1 扎筋扎筋1 1 澆混凝土澆混凝

2、土1 1 工藝關(guān)系工藝關(guān)系支模支模2 2 扎筋扎筋2 2 澆混凝土澆混凝土2 2 支模支模1 1 支模支模2 2扎筋扎筋1 1 扎筋扎筋2 2 組織關(guān)系組織關(guān)系澆混凝土澆混凝土1 1 澆混凝土澆混凝土2 2二、繪制網(wǎng)絡(luò)圖的基本規(guī)則二、繪制網(wǎng)絡(luò)圖的基本規(guī)則1 1必須正確表達(dá)邏輯關(guān)系必須正確表達(dá)邏輯關(guān)系a aa a完成后進(jìn)行完成后進(jìn)行b b和和c c 圖圖b ba a、b b完成后進(jìn)行完成后進(jìn)行c c和和d d 圖圖二、繪制網(wǎng)絡(luò)圖的基本規(guī)則二、繪制網(wǎng)絡(luò)圖的基本規(guī)則1 1必須正確表達(dá)邏輯關(guān)系必須正確表達(dá)邏輯關(guān)系c ca a完成后進(jìn)行完成后進(jìn)行c c；a a、b b完成后進(jìn)行完成后進(jìn)行d d圖圖d d

3、a a完成后進(jìn)行完成后進(jìn)行c c；a a、b b完成后進(jìn)行完成后進(jìn)行d d；b b完成后進(jìn)行完成后進(jìn)行e e 圖圖二、繪制網(wǎng)絡(luò)圖的基本規(guī)則二、繪制網(wǎng)絡(luò)圖的基本規(guī)則2 2嚴(yán)禁出現(xiàn)循環(huán)回路嚴(yán)禁出現(xiàn)循環(huán)回路圖圖二、繪制網(wǎng)絡(luò)圖的基本規(guī)則二、繪制網(wǎng)絡(luò)圖的基本規(guī)則3 3在節(jié)點(diǎn)之間嚴(yán)禁出現(xiàn)帶雙向箭頭或無(wú)箭頭的連線(xiàn)在節(jié)點(diǎn)之間嚴(yán)禁出現(xiàn)帶雙向箭頭或無(wú)箭頭的連線(xiàn)圖圖7二、繪制網(wǎng)絡(luò)圖的基本規(guī)則二、繪制網(wǎng)絡(luò)圖的基本規(guī)則4 4嚴(yán)禁出現(xiàn)沒(méi)有箭頭節(jié)點(diǎn)或沒(méi)有箭尾節(jié)點(diǎn)的嚴(yán)禁出現(xiàn)沒(méi)有箭頭節(jié)點(diǎn)或沒(méi)有箭尾節(jié)點(diǎn)的箭線(xiàn)箭線(xiàn) 圖圖二、繪制網(wǎng)絡(luò)圖的基本規(guī)則二、繪制網(wǎng)絡(luò)圖的基本規(guī)則5 5嚴(yán)禁出現(xiàn)重復(fù)編號(hào)的箭線(xiàn)嚴(yán)禁出現(xiàn)重復(fù)編號(hào)的箭線(xiàn) 圖圖二、繪制

4、網(wǎng)絡(luò)圖的基本規(guī)則二、繪制網(wǎng)絡(luò)圖的基本規(guī)則6 6當(dāng)雙代號(hào)網(wǎng)絡(luò)圖的某些節(jié)點(diǎn)有多條外向箭當(dāng)雙代號(hào)網(wǎng)絡(luò)圖的某些節(jié)點(diǎn)有多條外向箭線(xiàn)或多條內(nèi)向箭線(xiàn)時(shí)（一般線(xiàn)或多條內(nèi)向箭線(xiàn)時(shí)（一般44條）條） 圖圖二、繪制網(wǎng)絡(luò)圖的基本規(guī)則二、繪制網(wǎng)絡(luò)圖的基本規(guī)則7 7交叉箭線(xiàn)畫(huà)法交叉箭線(xiàn)畫(huà)法過(guò)橋法過(guò)橋法 指向法指向法二、繪制網(wǎng)絡(luò)圖的基本規(guī)則二、繪制網(wǎng)絡(luò)圖的基本規(guī)則8 8雙代號(hào)網(wǎng)絡(luò)圖中應(yīng)只有一個(gè)起點(diǎn)節(jié)點(diǎn)，在雙代號(hào)網(wǎng)絡(luò)圖中應(yīng)只有一個(gè)起點(diǎn)節(jié)點(diǎn)，在不分期完成任務(wù)的網(wǎng)絡(luò)圖中，應(yīng)只有一個(gè)終點(diǎn)不分期完成任務(wù)的網(wǎng)絡(luò)圖中，應(yīng)只有一個(gè)終點(diǎn)節(jié)點(diǎn)，而其他所有節(jié)點(diǎn)均應(yīng)是中間節(jié)點(diǎn)節(jié)點(diǎn)，而其他所有節(jié)點(diǎn)均應(yīng)是中間節(jié)點(diǎn). .三、雙代號(hào)施工網(wǎng)絡(luò)圖的排列方法三

5、、雙代號(hào)施工網(wǎng)絡(luò)圖的排列方法1 1工藝順序按水平方向排列工藝順序按水平方向排列 圖圖三、雙代號(hào)施工網(wǎng)絡(luò)圖的排列方法三、雙代號(hào)施工網(wǎng)絡(luò)圖的排列方法2 2施工段按水平方向排列施工段按水平方向排列 圖圖四、繪圖示例四、繪圖示例工作的邏輯關(guān)系如表所示，繪制雙代號(hào)網(wǎng)絡(luò)圖工作的邏輯關(guān)系如表所示，繪制雙代號(hào)網(wǎng)絡(luò)圖工作工作abcdefghij緊前緊前abbbccffh工作工作degi四、繪圖示例四、繪圖示例如圖所示：如圖所示：圖圖11五、布置作業(yè)五、布置作業(yè) 1 1閱讀教材（閱讀教材（p p4242-p-p4747）2 2思考在繪制雙代號(hào)網(wǎng)絡(luò)圖時(shí)，哪三種情況必須引思考在繪制雙代號(hào)網(wǎng)絡(luò)圖時(shí)，哪三種情況必須引入虛

6、箭線(xiàn)？入虛箭線(xiàn)？3 3繪制雙代號(hào)網(wǎng)絡(luò)圖，教材繪制雙代號(hào)網(wǎng)絡(luò)圖，教材p p8585習(xí)題習(xí)題1 1 歡迎多提寶貴意見(jiàn)！歡迎多提寶貴意見(jiàn)！ ：mile: shjf_mile: shjf_ 地址：上海市漠河路地址：上海市漠河路800800號(hào)號(hào)http : http : (u%rzowlthqembj8g4d1a-w*t!qynvjsgpdlai6f3c0y)v&s#pxluirfnck9h5e2a+x(u$rzowkthpembj7g4d1z-w&t!qymvjsgodlai6f3b0y)v%s#pxluiqfnck8h5e2a+x*u$rznwkthpemaj7g4c1z-w&

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