Engineering and Contracting . lociiig.—Forms were placed as far as possihie in arlvancc (iisiiallv about MOO ft.) irorder to avoid any suilden change in thegrade, as the grades are given only :\t inter-vals (1 ft. The forms used were 2x< with an angle irin facing on one were staked with iron pins and heldfirmlv to line and to grade. The concretewas brought to place in some cases by spoutsand in some by booms. Unless a two-coursepavement is to he built the writer believesthat the spout machine is preferable In nocase were horse carts used as the width istoo narrow


Engineering and Contracting . lociiig.—Forms were placed as far as possihie in arlvancc (iisiiallv about MOO ft.) irorder to avoid any suilden change in thegrade, as the grades are given only :\t inter-vals (1 ft. The forms used were 2x< with an angle irin facing on one were staked with iron pins and heldfirmlv to line and to grade. The concretewas brought to place in some cases by spoutsand in some by booms. Unless a two-coursepavement is to he built the writer believesthat the spout machine is preferable In nocase were horse carts used as the width istoo narrow for convenient handling and thecarts also prohibit the placing of concrete for alonger lime after a rain than do cither ofthe other methods of placing. Concrete was Joints.—In all cases during , armorplates were used tiith an asphaltic felt Min. thick :.iid the depth of the pavement. InMilwaukee tounly the spacing of the jointshas been increased from ft. to 35 ft. andin lll 1 will be increased to 50 ft. The rea-. Fig. 6. Method of Conducting Work—Lay-ing, Finishing and Covering. son for this increase is the lack of cracks inthe pavements already constructed. .Xs be-fore staled, the writer believes one reasonfor this lack of cracks is the thorough de-struction of the old road, thus giving a uni- 554 Engineering and Contracting Vol. XLI. No. ly. 01 tn o O d 56S fiS n c X c CJ al m—. rtj- j: « Si; «£ Hj= ?51= J-a -- (Scj o o ss o o o o PuAh ^ om bt s = E-Z ou ea Eh a •J2 a *« : : :^SScrS • ? ?o a — .tool- r;^ got-00 ffi in .^ to (N ^ O c to 4> ? ?: _• ? ? ooo£ Qgox>r; w ^O ojO ac-rt^ dZ o tt] S O c* c» =? CO . w 0on -t-) ftO- .;^h t- »^SJ •CO 00 CO tow 3 c^ irr cstodw• m 001 - cc o o .00 00-»fCO . r-oi .-no .rtOOC^^ ^ . t- r -^ ?00 2; 00•0*0 0:1 ^ CO *-* ^


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Keywords: ., bookcentury1900, bookdecade1900, bookpublisherchicago, bookyear19