竞彩比分

关于原木材积的计算方式

DANGQIANCHANGYONGDEZHUYAOJINKOUYUANMUJIANLIANGFANGFAHEJILIANGDANWEIYOUYIXIAJIZHONG:

(1)CAIYONGYIMI(m)、LIMI(cm)HELIFANGMI(m 3 )WEIJILIANGDANWEI。

竞彩比分 ①CAIZHANGJIANLIANG:YUANMUDEZHANGDUSHIZAILIANGDUANDUANMIANZHIJIANDUANJULICHUJIANLIANG。

②ZHIJINGJIANLIANG:TONGGUOXIAOTOUDUANMIANZHONGXIN,XIANLIANGDUANJING,ZAITONGGUODUANJINGZHONGXINCHUIZHILIANGQUZHANGJING(HAOXIANGSHIQUTONGGUOSHUXINDEDAHEXIAOZHI,BUYIDINGYAOCHUIZHIBA),BUDAIPIJIANLIANG,RUDUANJINGBUZU26cm,QIZHANGDUANJINGZHICHA2cmYISHANGHUODUANJING26cmYISHANG,QIZHANGDUANJINGZHICHA4cmYISHANGDE,YIQIZHANGDUANJING,JINGJINSHEHOUWEIJIANCHIJING。ZHANGDUANJINGZHICHAXIAOYUSHANGSHUGUIDINGDE,JUNYIDUANJINGJINSHEHOUWEIJIANCHIJING(JIANGB144—95《YUANMUJIANYAN,CHICUNJIANLIANG》)。

③CAIJIJISUAN:

竞彩比分 A)JIANCHIJINGZI4~12cmDEXIAOJINGYUANMUCAIJIYOUGONGSHIV=0.7854L(D+0.45L+0.2) 2 ÷10000QUEDING;

B)JIANCHIJINGZI14cmYISHANGDEYUANMUCAIJIYOUGONGSHIV=0.7854L〔D+0.5L+0.005L 2 +0.000125L·(14-L)·(D-10)〕 2 ÷10000QUEDING。

竞彩比分 SHIZHONG:V—CAIJI(m 3 );L—JIANCHIZHANG(m);D—JIANCHIJING(cm)。JIANGB4814—84《》。

BENFANGFASHIYONGYUCHUKOUJIBUFENJINKOUHETONGGUIDINGDEYUANMU。

(2)CAIYONGGUOJIDANWEIZHIYIMI(m)、LIMI(cm)HELIFANGMI(m 3 )WEIJILIANGDANWEI。

竞彩比分 ①CAIZHANGJIANLIANG:BIXUYUCAIZHANGFANGXIANGCHUIZHIDEDAXIAOTOULIANGDUANDUANMIANDUANJULICHUJIANLIANG。JIANMENGYAN2292—88《YUANMUJIDAHAO、FENLEIHEYANSHOUGUIZE》;②ZHIJINGJIANLIANG:LIANGQUTONGGUOXIAOTOUDUANMIANZHONGXINDEDAZHIJINGHEXIAOZHIJINGDEPINGJUNZHI(BUXUCHUIZHI),QUPIJIANLIANG。JIANMENGYAN2292—88《YUANMUJIDAHAO、FENLEIHEYANSHOUGUIZE》;③CAIJIJISUAN:CONGMENGYAN2708—75《YUANMUCAIJIBIAO》CHADEDANCAIJIHOUJINXINGJISUAN。BENFANGFASHIYONGYUJINKOUEGUO、MENGGUYUANMU。

(3)CAIYONGYIYINGCHI、YINGCUNHEBANYINGCHIWEIJILIANGDANWEI。

①CAIZHANGJIANLIANG:ZAIYUANMULIANGDUANDUANMIANDUANDEYICEJIANLIANG。DANGYUANMUYIDUANHUOLIANGDUANZHEDUANHUOSUNHUAI,YINGGAIZAINENGXIANSHICHUYUANMUZHIJINGDEYIDUANHUOLIANGDUANJINDELIANGDIANJIANLIANG。JIAN《MEIGUOYUANMUJIANCHIHEPINGDENGGUANFANGGUIZE》(1982NIAN1YUE1RIBAN);②ZHIJINGJIANLIANG:YUANMUZHIJINGYIXIAOTOUTONGGUODUANMIANZHONGXIN,HUXIANGCHUIZHIJIAOCHA,LIANGDEZHANGJINGHEDUANJINGDEPINGJUNZHIWEIJIANCHIJING,BUDAIPIJIANLIANG。JIAN《MEIGUOYUANMUJIANCHIHEPINGDENGGUANFANGGUIZE》(1982NIAN1YUE1RIBAN);③CAIJIJISUAN:CAIYONGMEIGUOSIKELAIBUNUO(SCRIBNER)CAIJIBIAO(1972NIAN7YUE1RIXIUDINGBAN)。

CAIJIJISUANGONGSHI:V=A×L÷12YINGCUN/YINGCHI°

SHIZHONG:V—CAIJI(BANYINGCHI):A—HUIZAIXIAOTOUDUANMIANZHONGDEBANTUXINGDEMIANJI(PINGFANGYINGCUN);L—CAIZHANG(YINGCHI);12YINGCUN/YINGCHI—HUANSUANXISHU。BENFANGFASHIYONGYUJINKOUMEIGUO、JIANADADEYUANMU。

(4)CAIYONGGUOJIDANWEIZHIYIMI(m),LIMI(cm),HELIFANGMI(m 3 )WEIJILIANGDANWEI。

①CAIZHANGJIANLIANG:YANYUANCAIDEZHOUXIAN,ZAIYUANCAIDELIANGDUANJIANDUANJULIJIANLIANG;②ZHIJINGJIANLIANG:CAIYONGMUCAIZHUANYONG,ZAIJUYUANMULIANGDUANDUANMIANYULIMICHU,FENBIEJIANLIANGYUANMUDEDATOUWEIJINGHEXIAOTOUWEIJING,JINGJINSHEHOUQUQIPINGJUNZHIZUOWEIJIANCHIJING,BUDAIPIJIANLIANG。

JIANCHIJINGGONGSHI:D=(d 1 +d 2 )÷2。

竞彩比分 SHIZHONG:D—ZHIJING;d 1 —YUANMUDATOUWEIJING;d 2 —YUANMUXIAOTOUWEIJING;③CAIJIJISUAN:CAIYONG“WEILIANKELAIMI”(WILLIAMKLEMME)YUANMUCAIJIBIAO,GONGSHI:V=4÷л×D 2 ×L×(1÷10000)HUOV=0.7854D 2 L÷1000

竞彩比分 SHIZHONG:V—CAIJI(m 3 );D—JIANCHIJING(cm);L—JIANCHIZHANG(m);л—(3.1416)。BENFANGFASHIYONGYUJINKOUMASHABAYUANMU。

(5)CAIYONGGUOJIDANWEIZHIYIMI(m)、LIMI(cm)HELIFANGMI(m 3 )WEIJILIANGDANWEI。

竞彩比分 ①CAIZHANGJIANLIANG:CAIZHANGSHIDONGYUANCAIDEZHOUXIAN,ZAIYUANMULIANGDUANJIANDEDUANJULIJIANLIANG;②ZHIJINGJIANLIANG:ZAIYUANMUSHIJICAIZHANGZHONGYANG,SHIYONGMUCAIZHUANYONGWEICHI,JIANLIANGZHONGYANGWEIJING,BUDAIPI;③CAIJIJISUAN:CAIYONGSENLINCHUZHIDINGDEYUANMUCAIJIBIAOCHADING,CAIJIJISUANGONGSHIHE“4.4.3”XIANG“WEILIANKELAIMI”YUANMUCAIJIJISUANGONGSHITONG。BENFANGFASHIYONGYUJINKOUMALAIXIYA()YUANMU。

(6)CAIYONGGUOJIDANWEIZHIYIMI(m)、LIMI(cm)HELIFANGMI(m 3 )WEIJILIANGDANWEI。

①CAIZHANGJIANLIANG:JIANLIANGPINGXINGYUZHOUXIANDELIANGDUANDUANMIANZHIJIANDEDUANJULI(RUJIANLIANGWANQUDEYUANMUCAICAISHI,ZESUIWANJIUWANJIANLIANG);②ZHIJINGJIANLIANG:FENBIEJIANLIANGYUANMUDAXIAOTOUDUANMIANDEZHANGJINGHEDUANJING(XIANTONGGUODUANMIANZHONGXINLIANGQIDUANZHIJING,HOUTONGGUODUANJINGZHONGXINCHUIZHILIANGQIZHANGJING)QUQIPINGJUNZHI,RANHOUJIANGDAXIAOTOUPINGJUNZHIXIANGJIACHUYI2,JIWEIYUANMUDEJIANCHIJING;③CAIJIJISUAN:CAIYONG“BOLAIERDENG”(BRERETON)CAIJIJISUANGONGSHI,GAIGONGSHIHE“WEILIANKELAIMI”CAIJIJISUANGONGSHITONG。JIAN“YINDUNIXIYAYINGZHIYUANMUJIANCHIFENJIGUIDING”。BENFANGFASHIYONGYUJINKOUYINDUNIXIYA,XINXILANYUANMU。