Protecting River Banks from Caving
A novel syfcem of- prpteoting river 'brfffkiJ'agidnsCbhp cdnsiimjii^actimvon , an QV<ir-^ov^iflg' !curren^ ; iy : .ViJjeiiig! 'applied 'near~' J 'Meini)lu»f' f 'Teftm'Wßeej ajou^ the Mjtesis'Ufjpi' t >y:hci:c.a,ciiviagi ! l)(ink; rises Jstraignt up from the'.watev'rt! ■edj^fifroai ,16 to 50 ( fe,et;^ The'reis an} wniclr.tli^ p»riK i^ slowly wojn, a^y' " and u^ciyrmined.i and- as a consequeuce, ; 'i^breaky down,.p'i«>ce V^'piec^' and is ! Sis^oH'e^ anA > catlieii by the! rfverl' To cfieck tliis steady but slowi disintegration is the problem which | ■United States engineers are trying to; solve satisfactorily. The idea of ai blanket placed alqnjr the slope of thej Viunks frb^. f high>water niark to the] bed of th'g,ifi ver '/naturally Suggested j itself, and the contrivance adopted, aj willov^ urid ; p^le;' ;ina ; ttrea3^ " repve-i sent jtbe bliiiiket' ; theqty. The! some 50Mcfeet UMridel \M frdni-200: toilOpO-fijet'in^ length i ■^itlM^kiblewiUo^lwlJrk'eifi^g^pof and poles and wirg for . f^arp^'^Th:«je. are ma.Us,.Qn iboate .having > a length equal to the width ll of \he mactress, aivKftf;'tKe ! mafciresses are completed ' th^ey slttle away into the water. The sunken mattreiise«, it is said, prevent •undeimining below the low water line, and the 'grading., p^wn pf the '. over-/■lmngin"g'.h'^k_-'6tppi<..^e?^(lei'mmin!; abov^thjtt ;i«^ i^Tl^ypace 4 h o;upß«f -> d .». c mattreaiics and Wt^'o^he-bank.^J.pl.otectea witli willows and stride- ! All this mattres-*---grad.iug.unpl e : mbraced m the -yiimtWetment. ' 'The work airily done l>y ,^e ■ American^ e^i- ;: aftd ' Jlib. staff •ot .Workmen itpkle'F thehi is ""described.as' cd.as l»eing ,o|.the ltibUeHu^tUnt^t oVaracresi \ t .Th'eliip' pro^ dpg secur«d^o»n tih'e kki'Cptigi'eWjfi^; this, work; will, if is'^stSmaM, be sufficient !ti,», nl^ taattresH^ along, ilie ri'vei-ii ; ont from M^iverCTe foot »t Beaf W^^i^f^ • 7he'wprk:wi)l .^ro^ rt^e-«f the river.. Iv.T^muiu.'to l .he $ecu i Will holf |g^'^|^ vent ifc- r> frqm' fui^ner"©^^^?.' ' Sexfc i sisslppi, mtoan .u^4. • i^ Qai a ■ i^ B*^ft"» i tical test will bo' 'niacie,; jaiid, |tj|ne CQattre^se^ hpl(^ t]ie banks successfully •againsi, t^le" 'impinging * * and undermittinl^' 'current, the mattress-revet-ment theory will ; staH^ed,777i/»*on.
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Bibliographic details
Manawatu Standard, Volume X, Issue 33, 7 July 1885, Page 4
Word Count
309Protecting River Banks from Caving Manawatu Standard, Volume X, Issue 33, 7 July 1885, Page 4
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