5 -Tips!
5.1 - StaticJoints静态节点
Red static joints are points to distribute the load ofthe structure and vehicles. As they are immovable, connecting two static jointsdirectly to each other has no effect.
红色静态节点可以分配来自结构和车辆的负载。因为它们是不动的，所以直接连接两个静态节点，并没有什么卵用。
静态节点
5.2 - Triangles三角头
Triangles are your friend! Triangles are one of the strongest shapes, allowing loads tobe distributed throughout a structure without collapsing. Equilateral triangles, triangles with all sides the same length, are especially strong.
三角头非常强，堪称陆地上最强的男人，而等边三角头也就是究极体三角头简直是宇宙最强。
三角结构
(三角形结构非常友好，是结构最强的形状之一，三角形使负荷分布于整体结构，可防止结构塌陷，而等边三角形则强度更高。)
5.3 - Split Joints分离节点
Split joints allow you to make planned joint breaks for use with hydraulics. Ensure both sides of the split joint are supported independently.
使用液压工具时需要先设置分离节点，同时要确保分离节点的两端有独立支承。
5.4 - Pivot Points枢纽节点
Pivot points can make or break your bridge, literally. Two lengths of material create a pivot point at their joint and can greatly weaken a structure, or be used in a drawbridge.
枢纽节点既可以造桥，也可能断桥。因为枢纽节点会大大降低结构强度，但是吊桥就需要用的枢纽节点。
动态示意图
动态示意图
动态示意图
5.5 - Arches and Parabolas 拱结构与抛物线型结构
Anarch or parabola is a very strong shape that distributes a load evenly across a structure.
拱结构与抛物线型结构能使负荷均匀分布。(能节省材料、提高刚度、跨越较大空间)
拱结构示意图
5.6 - Terrain地形
Use the terrain to your advantage. Terrain, like static joints, is immovable and can be used to rest your structures upon or against.
因地制宜，利用地形作为静态节点。如下图，你可以利用地形来支撑你的结构。
支撑点示意图
不同形状支撑点
5.7 - Detecting Weak Points 找出薄弱环节
There are a few ways you can detect weak points in your structure. Turning the stress view on allows you to see the live load on your structure during simulation.You can adjust the speed of the simulation with the slider at the top of your screen. In the replay viewer you can adjust the sliders to see a frame-by-frame view of the action. See 7- Replays for more info.
你可以通过几种方式找出结构的薄弱环节。通过运动仿真的应力视图你可以看到活载荷，屏幕上方还可以调节运行速度。重放录像的时候你还可以手动调节进度条滑块。
手动调节进度条
5.8 - Drawbridges 吊索桥
This illustrates how the original angle(left) and length(right) of Hydraulics change the final position of roads.
下图显示了如何通过液压工具可以改变吊桥的角度(左图)和长度(右图)
各种吊桥示意图
6 -Suspension悬索桥
Without getting too specific or technical, a suspension bridge primarily works by placing the load of the structure upon pillars, compressing them downwards.While tricky to work with, suspension bridges can span large distances for much cheaper than steel.
Hint: You don’t have to connect all joints on the suspension, just use what youneed.
无需具体结构或技术，悬索桥将负荷都转移到立柱上。悬索桥可以跨越很大的距离，成本也比钢材结构要低。
(悬索桥，又名吊桥(suspension bridge)指的是以通过索塔悬挂并锚固于两岸(或桥两端)的缆索(或钢链)作为上部结构主要承重构件的桥梁。)
悬索桥示意图
