sumpingn.

Brit.

/ˈsʌmpɪŋ/, U.S.

/ˈsəmpɪŋ/

Origin: Formed within English, by derivation. Etymons: sump v., -ing suffix¹.

Etymology: < sump v. + -ing suffix¹.

Mining.

†1. The process of excavating a mine shaft or sump (sump n. 2a). Also: a small mine shaft (cf. sump n. 2b). Obsolete.

ΘΚΠ

society > occupation and work > industry > mining > [noun] > excavating or sinking of shaft

sinking1613

raising-pair1747

stoping1778

sumping1824

drifting1853

shafting1872

1824 J. Mander Derbyshire Miners' Gloss. 50 There are three sorts of Timber called Pairs, as pairs of possessions; the first are square pairs, used in sumping.

1848 Jrnl. Franklin Inst. June 464 Sumping—A small square shaft, generally made in the air-headings, when crossing faults, &c., or made to prove the thickness of coal, &c.

1860 W. D. Haskoll Simms' Pract. Tunnelling (ed. 2) vi. 70 This [method] was called sumping.

1886 J. Barrowman Gloss. Sc. Mining Terms 65 Sumping, cutting down into the floor, or, in sinking, cutting down at the lowest part of the shaft.

2. The action or process of breaking down a coalface; (in later use) spec. the insertion of a cutting device into a coalface or rock face. Frequently as a modifier.

ΘΚΠ

society > occupation and work > industry > mining > [noun] > other specific mining processes > in coal-mining

outstroke1747

holing1841

coal-cutting1842

patio1845

sumping1849

bottoming1856

salting1856

patio process1862

spragging1865

yardage1877

booming1880

brushing1883

filling1883

sounding1883

yard-work1883

blanketing1884

goafing1888

freezing process1889

power loading1901

bashing1905

rock dusting1915

mucking1918

solid stowing1929

stone-dusting1930

roof bolting1949

rock bolting1955

1849 Mining Almanack 403 Sumping-shot, a charge of powder for bringing down the sump, or for blowing the stone up in a sinking pit.

1892 Trans. Manch. Geol. Soc. 21 264 It was quite easy to devise a more speedy, safe, and cheaper system..by replacing the present practice of sumping in the middle of the pit by what I think to be a more rational mode of cutting out or setting free the layers.

1905 Mining Mag. 11 119/2 After the sumping cut is made, the machine is converted into a longwall cutter.

1922 Coal Industry June 303/2 When the right-hand rope is wound in sumping, it is in readiness for tail rope service in the running cut.

1979 R. A. Schmidt Coal in Amer. v. 169 More power is consumed in the downward shearing cycle of milling machines than in sumping, proving conclusively that traction effort is the limiting factor in sumping.

2014 N. Bilgin et al. Mech. Excavation in Mining & Civil Industr. vii. 139 If the rock is relatively soft, the sumping depth can be deeper.

This entry has been updated (OED Third Edition, September 2019; most recently modified version published online March 2022).

单词	sumping
释义	sumpingn. Brit. /ˈsʌmpɪŋ/, U.S. /ˈsəmpɪŋ/ Origin: Formed within English, by derivation. Etymons: sump v., -ing suffix¹. Etymology: < sump v. + -ing suffix¹. Mining. †1. The process of excavating a mine shaft or sump (sump n. 2a). Also: a small mine shaft (cf. sump n. 2b). Obsolete. ΘΚΠ society > occupation and work > industry > mining > [noun] > excavating or sinking of shaft sinking1613 raising-pair1747 stoping1778 sumping1824 drifting1853 shafting1872 1824 J. Mander Derbyshire Miners' Gloss. 50 There are three sorts of Timber called Pairs, as pairs of possessions; the first are square pairs, used in sumping. 1848 Jrnl. Franklin Inst. June 464 Sumping—A small square shaft, generally made in the air-headings, when crossing faults, &c., or made to prove the thickness of coal, &c. 1860 W. D. Haskoll Simms' Pract. Tunnelling (ed. 2) vi. 70 This [method] was called sumping. 1886 J. Barrowman Gloss. Sc. Mining Terms 65 Sumping, cutting down into the floor, or, in sinking, cutting down at the lowest part of the shaft. 2. The action or process of breaking down a coalface; (in later use) spec. the insertion of a cutting device into a coalface or rock face. Frequently as a modifier. ΘΚΠ society > occupation and work > industry > mining > [noun] > other specific mining processes > in coal-mining outstroke1747 holing1841 coal-cutting1842 patio1845 sumping1849 bottoming1856 salting1856 patio process1862 spragging1865 yardage1877 booming1880 brushing1883 filling1883 sounding1883 yard-work1883 blanketing1884 goafing1888 freezing process1889 power loading1901 bashing1905 rock dusting1915 mucking1918 solid stowing1929 stone-dusting1930 roof bolting1949 rock bolting1955 1849 Mining Almanack 403 Sumping-shot, a charge of powder for bringing down the sump, or for blowing the stone up in a sinking pit. 1892 Trans. Manch. Geol. Soc. 21 264 It was quite easy to devise a more speedy, safe, and cheaper system..by replacing the present practice of sumping in the middle of the pit by what I think to be a more rational mode of cutting out or setting free the layers. 1905 Mining Mag. 11 119/2 After the sumping cut is made, the machine is converted into a longwall cutter. 1922 Coal Industry June 303/2 When the right-hand rope is wound in sumping, it is in readiness for tail rope service in the running cut. 1979 R. A. Schmidt Coal in Amer. v. 169 More power is consumed in the downward shearing cycle of milling machines than in sumping, proving conclusively that traction effort is the limiting factor in sumping. 2014 N. Bilgin et al. Mech. Excavation in Mining & Civil Industr. vii. 139 If the rock is relatively soft, the sumping depth can be deeper. This entry has been updated (OED Third Edition, September 2019; most recently modified version published online March 2022). < n.1824
随便看	θ118132 θ118133 θ118134 θ118135 θ118136 θ118137 θ118138 θ118139 θ11814 θ118140 θ118141 θ118142 θ118143 θ118144 θ118145 θ118146 θ118147 θ118148 θ118149 θ11815 θ118150 θ118151 θ118152 θ118153 θ118154