[Steam]Poly Bridge最少花费过关攻略（撰写，23日更新）

Early Access Build 0.71b。具体数据和判定会因版本的变更，而有所不同。

BUG

编辑模式下，删除一个已建的元件（木头或别的），然后撤销这次删除操作，这时Budget Used不会改变。

说明&经验

相同架构下，Budget Used会有个位数内的差异；理论上等边三角形的支撑力最大，而直角等腰三角形具有支撑力大和便宜的特点；如果需要2层直角等腰三角形来铺设，则可以用等边三角形代替；支撑力已足够时，可降低三角形的高度，以节省用料费用；Stress为On，能观察到支撑点的负重情况；在同一个桥梁结构的情况下，每次变更之后Max Joint Stress的值可能会改变。当该值达到或超过100%时，桥梁的节点过最大付总而崩塌。因此在结束时，该值越接近100%，则表示该桥梁结构越不稳定（并不保证每次都能通过）；标红数值的关卡，需要多尝试才有可能按如图所示通过；

材料特性

Road：道路，最大范围8格，$50/格。Wood：木材，最大范围8格，$45/格。Steel：钢材，最大范围16格，$112.5/格。Hydraulic：液压机，最大范围16格，$187.5/格。Cable：缆绳，范围无限，$55/格。强度比木材略好。Suspension：悬挂，范围无限，$104/格。

关卡目录

Alpine Meadows1) 8m Simple Bridge2) 10m Simple Bridge3) 12m Simple Bridge4) 8m Slanted Bridge5) 10m Jump6) 18m Jump7) 16m Over Bridge8) 12m Draw Bridge9) 14m Slanted Draw Bridge10) 16m Two Part Bridge11) 28m Wooden Highbridge12) 14m Draw BridgeDesert Winds1) 12m Low Budget Bridge2) 16m Double Decker3) 12m Drawbridge4) 42m Suspension Bridge5) 14m Double Jump6) 16m Double Drawbridge：未玩7) 42m Balloon Jump：未玩8) 16m Overpass9) 18m Split10) 14m Criss Cross11) 18m Drawbridge：有错位BUG12) 30m Double Overpass DrawbridgAncient Ruins1) 20m Double Overpass2) 24m Double Drawbridge：未玩3) 18m Schoolbus Jump4) 20m Split5) 24m Triple Decker6) 36m Steel Arch Bridge：未玩7) 40m Double Monster Jump8) 20m Cross Jump9) 20m Fork Jump：未玩10) 36m Shipping Canal：未玩11) 24m Low Budget Overpass：未玩12) 18m Double Deck Lift80s Fun Land1) Coming Soon!

Alpine Meadows

8m Simple Bridge – $7,000 – Station Wagon

Budget Used ：$2,206

Max Joint Stress：89.4%

Material Footprint：11.3m

10m Simple Bridge – $8,000 – 2 City Cars

Budget Used ：$3,434

Max Joint Stress：84.4%

Material Footprint：17.9m

12m Simple Bridge – $10,000 – City Car & Station Wagon

Budget Used ：$4,286

Max Joint Stress：91.8%

Material Footprint：22.4m

8m Slanted Bridge – $9,000 – Surfer`s Van

Budget Used ：$4,610

Max Joint Stress：99.7%

Material Footprint：24.8m

10m Jump – $5,000 – Scooter

Budget Used ：$1,489

Max Joint Stress：29.8%

Material Footprint：8m

18m Jump – $9,000 – Scooter & City Car

Budget Used ：$6,055

Max Joint Stress：55.4%

Material Footprint：32.6m

16m Over Bridge – $16,000 – Station Wagon & Small Tugboat

Budget Used ：$9,568

Max Joint Stress：97.4%

Material Footprint：51.4m

12m Draw Bridge – $22,000 – City Car, Station Wagon & Small Tugboat

Budget Used ：$10,402

Max Joint Stress：98.8%

Material Footprint：36.4m

14m Slanted Draw Bridge – $28,000 – Scooter, City Car and Tugboat

Budget Used ：$10,731

Max Joint Stress：92.2%

Material Footprint：51.9m

16m Two Part Bridge – $18,000 – Station Wagon & City Car

Budget Used ：$9,507

Max Joint Stress：91.5%

Material Footprint：51.2m

28m Wooden Highbridge – $48,000 – School Bus

Budget Used ：$31,621

Max Joint Stress：99.4%

Material Footprint：172.7m

14m Draw Bridge – $32,000 – Surfer`s Van & Tugboat

Budget Used ：$14,570

Max Joint Stress：98.8%

Material Footprint：59.4m

Desert Winds

12m Low Budget Bridge – $7,000 – School Bus

Budget Used ：$6,900

Max Joint Stress：97.9%

Material Footprint：37m

这里有两种造法都是$6,900。

16m Double Decker – $32,000 – Station Wagon & Surfer`s Van

Budget Used ：$18,068

Max Joint Stress：98.7%

Material Footprint：97.3m

12m Drawbridge – $29,000 – City Car, Station Wagon & Tugboat

Budget Used ：$7,594

Max Joint Stress：70.0%

Material Footprint：40.7m

42m Suspension Bridge – $84,000 – City Car & Station Wagon

Budget Used ：$38,040

Max Joint Stress：96.3%

Material Footprint：206.8m

如果左桥墩附近的桥梁会坍塌，那就加固左桥墩即可。

14m Double Jump – $7,000 – 2 City Cars

Budget Used ：$6,687

Max Joint Stress：90.5%

Material Footprint：34.4m

这张图是最基础的双车迎面飞跃结构，注意两种不同桥梁的倾斜角度。

16m Double Drawbridge – $18,000 – 2 Surfer`s Vans, 2 Small Tugboats42m Balloon Jump – $29,000 – Monster Truck16m Overpass – $24,000 – City Car, Station Wagon & Small Tugboat

Budget Used ：$10,810

Max Joint Stress：99.0%

Material Footprint：58.2m

需要注意第一个和最后一个护栏的角度，稍有偏差就会崩塌。

18m Split – $21,000 – Station Wagon & Surfer`s Van

Budget Used ：$6,388

Max Joint Stress：94.7%

Material Footprint：34.6m

14m Criss Cross – $28,000 – Station Wagon & Surfer`s Van

Budget Used ：$11,330

Max Joint Stress：94.1%

Material Footprint：48.2m

18m Drawbridge – $32,000 – City Car, Station Wagon & Tugboat

Budget Used ：$18,476

Max Joint Stress：98.8%

Material Footprint：83.6m

这张地图有个错位BUG，如果右侧的Hydraulic要像左侧那样的话，等轮船开过后会有错位现象。

30m Double Overpass Drawbridg – $68,000 – City Car, Station Wagon & 3 Tugboats

Budget Used ：$24,880

Max Joint Stress：99.3%

Material Footprint：113.4m

Ancient Ruins

20m Double Overpass – $16,000 – Surfer`s Van & 2 Small Tugboats

Budget Used ：$12,045

Max Joint Stress：97.2%

Material Footprint：64.6m

岩石可以作为支撑点，但Road不能距离岩石太远，不然会摔碎。

24m Double Drawbridge – $38,000 – 2 Surfer`s Vans & 2 Tugboats18m Schoolbus Jump – $9,000 – School Bus & Tugboat

Budget Used ：$4,959

Max Joint Stress：99.8%

Material Footprint：26.8m

20m Split – $26,000 – Station Wagon & Surger`s Van

Budget Used ：$15,465

Max Joint Stress：99.3%

Material Footprint：73.6m

消减了桥墩和右侧的结构。

24m Triple Decker – $84,000 – City Car, Station Wagon & Surfer`s Van

Budget Used ：$42,222

Max Joint Stress：99.1%

Material Footprint：209.9m

36m Steel Arch Bridge – $90,000 – School Bus40m Double Monster Jump – $40,000 – 2 Monster Trucks

Budget Used ：$21,746

Max Joint Stress：99.1%

Material Footprint：104.4m

如果不考虑桥梁最终是否完整，费用还可以降低$1,000。注意重心点和桥面的角度。

20m Cross Jump – $32,000 – Station Wagon & Surfer`s Van

Budget Used ：$9,651

Max Joint Stress：97.1%

Material Footprint：49.5m

20m Fork Jump – $16,000 – 2 City Cars36m Shipping Canal – $160,000 – 2 Lorries & 4 Tugboats24m Low Budget Overpass – $30,000 – London Bus & Tugboat18m Double Deck Lift – $28,000 – London Bus & Tugboat

Budget Used ：$18,226

Max Joint Stress：97.7%

Material Footprint：70m

80s Fun Land

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