What are Republicans' economic plans for helping the middle class?

So, the major critique about the Republicans' tax reform plan and their overall economic plan is that it is based around cutting taxes for the top 1%.

Now, there are a few articles from the past few weeks about the difficulties the GOP is having in dealing with tax reforms: http://thehill.com/homenews/senate/345821-gop-debates-tax-cuts-vs-tax-reform

https://www.theatlantic.com/business/archive/2017/08/tax-reform-gop-full-expensing/537114/

https://www.economist.com/blogs/economist-explains/2017/08/economist-explains-10

https://www.vox.com/policy-and-politics/2017/8/17/16162096/trump-tax-cuts-pay-for-spending-cuts

There has been no real discussion about infrastructure spending or any other major economic spending plan.

What exactly are Republicans' plans for helping the middle class and lower income individuals beside tax cuts?