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銆€銆€绠¢亾銆侀枼闁€銆佹硶铇繚婧伐绋嬮噺
銆€銆€绠¢亾淇濇韩宸ョ▼閲忚▓绠楀叕寮忕偤锛�
銆€銆€V=πL(D+δ+δ×3.3%)×(δ+δ×3.3 %)=πL(D+1.033δ)×1.033δ
銆€銆€寮忎腑V鈥曚繚婧堡楂旂⿳;L鈥曚繚婧閬撳寰�;D鈥曚繚婧閬撳寰�;δ鈥曚繚婧鍘氬害;3.3%鈥曚繚婧堡鍘氬害鍏佽ū鍋忓樊绯绘暩(sh霉)銆�
銆€銆€闁ラ杸銆佹硶铇繚婧伐绋嬮噺浠ラ珨绌嶈▓绠�锛岃▓绠楀叕寮忓涓嬶細
銆€銆€(1)
銆€銆€闁ラ杸V=πD2×2.5×1.05×(δ+δ×3.3%)N=2.712πD2δN
銆€銆€娉曡槶V=πD2×1.5×1.05(δ鍗�δ×3.3%)N=1.627πD2δN寮忎腑
銆€銆€1.5銆�2..5銆�1.05鈥曠禃鐔遍潰绌嶇郴鏁�(sh霉);D鈥曟硶铇枼闁€鐩村緫;δ鈥曚繚婧堡鍘氬害;
銆€銆€3.3%鈥曚繚婧堡鍘氬害鍏佽ū鍋忓樊绯绘暩(sh霉);N鈥曚繚婧硶铇強闁ラ杸鍊嬫暩(sh霉)銆傚叾浣欑铏熷悓涓�銆�
銆€銆€(4)瑷堢畻锛�
銆€銆€鍒锋补宸ョ▼閲� DNl5322×0.067m2=21.57m2
銆€銆€鍒锋补宸ョ▼閲� DN20141×0.084m2=11.84m2
銆€銆€鍒锋补宸ョ▼閲� DN25118×0.105m2=12.39m2
銆€銆€鍒锋补宸ョ▼閲� DN40 43.82×0.151m2=6.62m2
銆€銆€鍒锋补宸ョ▼閲� DN5037.63×0.188m2=7.07m2
銆€銆€鍒锋补宸ョ▼閲� DN7076.42×237m2=18.1lm2
銆€銆€鍒锋补宸ョ▼閲忓皬瑷� 77.60m2
銆€銆€(5)瑷堢畻淇濇韩宸ョ▼閲�
銆€銆€瑷堢畻鍏紡锛歏=πσ(D+δ)×l00m
銆€銆€寮忎腑V鈥曚繚婧珨绌�;
銆€銆€δ鈥曚繚婧帤搴�;
銆€銆€σ鈥曠閬撳寰戙€�
銆€銆€娉細瑷堢畻鍏紡鍚岀劇绺嫾绠�銆�
銆€銆€娉細1.瑷堢畻鍏紡锛歋=π(D+2δ)×l00m
銆€銆€寮忎腑S鈥曚繚婧娈奸潰绌�; δ鈥曚繚婧帤搴�; D鈥曠閬撶洿寰戙€�
銆€銆€閬庢宸ョ▼閲忚▓绠楄(gu墨)鍓�
銆€銆€1銆侀亷姊佸伐绋嬮噺
銆€銆€(1)閬庢楂旂⿳锛氱閬庢;鐮奸亷姊併€�
銆€銆€(2)鐮奸亷姊佹ā鏉�銆�
銆€銆€(3)鎸戝嚭閮ㄥ垎瑁濅慨銆�
銆€銆€2銆侀亷姊佽▓绠�
銆€銆€鈶�銆侀亷姊佺殑楂旂⿳
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銆€?銆佸暏鈶姊佺殑妯℃澘
銆€銆€閬庢妯℃澘闈㈢⿳=閬庢鐨勫簳妯�+閬庢鐨勫伌(c猫)妯�
銆€?銆侀緺^姊佺殑鍋�(c猫)妯�=娲炲彛鍑堥暦搴�×閬庢瀵害
銆€?銆佽岸^姊佸伌(c猫)妯�=閬庢鍋�(c猫)闈㈤暦搴︿箣鍜�×閬庢楂樺害
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